blob: a466abffb4715526c18b24719028d9c652a9e7af [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.tests.rewrite.describing;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.dom.*;
import org.eclipse.jdt.core.dom.rewrite.ASTRewrite;
import org.eclipse.jdt.core.dom.rewrite.ListRewrite;
import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants;
public class ASTRewritingStatementsTest extends ASTRewritingTest {
private static final Class THIS= ASTRewritingStatementsTest.class;
public ASTRewritingStatementsTest(String name) {
super(name);
}
public static Test allTests() {
return new Suite(THIS);
}
public static Test setUpTest(Test someTest) {
TestSuite suite= new Suite("one test");
suite.addTest(someTest);
return suite;
}
public static Test suite() {
return buildModelTestSuite(THIS);
}
public void testInsert1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
/* foo(): append a return statement */
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class C {\n");
buf.append(" public Object foo() {\n");
buf.append(" if (this.equals(new Object())) {\n");
buf.append(" toString();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("C.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "C");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
ReturnStatement returnStatement= block.getAST().newReturnStatement();
returnStatement.setExpression(block.getAST().newNullLiteral());
rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY).insertLast(returnStatement, null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class C {\n");
buf.append(" public Object foo() {\n");
buf.append(" if (this.equals(new Object())) {\n");
buf.append(" toString();\n");
buf.append(" }\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testInsert2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
/* insert a statement before */
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class D {\n");
buf.append(" public Object goo() {\n");
buf.append(" Integer i= new Integer(3);\n");
buf.append(" }\n");
buf.append(" public void hoo(int p1, Object p2) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("D.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "D");
MethodDeclaration methodDeclGoo= findMethodDeclaration(type, "goo");
List bodyStatements= methodDeclGoo.getBody().statements();
ASTNode copy= rewrite.createCopyTarget((ASTNode) bodyStatements.get(0));
MethodDeclaration methodDecl= findMethodDeclaration(type, "hoo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
List statements= block.statements();
assertTrue("No statements in block", !statements.isEmpty());
assertTrue("No ReturnStatement", statements.get(0) instanceof ReturnStatement);
rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY).insertFirst(copy, null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class D {\n");
buf.append(" public Object goo() {\n");
buf.append(" Integer i= new Integer(3);\n");
buf.append(" }\n");
buf.append(" public void hoo(int p1, Object p2) {\n");
buf.append(" Integer i= new Integer(3);\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testInsert3() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
// add after comment
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public Object goo() {\n");
buf.append(" i++; //comment\n");
buf.append(" i++; //comment\n");
buf.append(" return new Integer(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
AST ast= astRoot.getAST();
MethodDeclaration methodDecl= findMethodDeclaration(type, "goo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
MethodInvocation invocation1= ast.newMethodInvocation();
invocation1.setName(ast.newSimpleName("foo"));
ExpressionStatement statement1= ast.newExpressionStatement(invocation1);
MethodInvocation invocation2= ast.newMethodInvocation();
invocation2.setName(ast.newSimpleName("foo"));
ExpressionStatement statement2= ast.newExpressionStatement(invocation2);
List statements= methodDecl.getBody().statements();
ASTNode second= (ASTNode) statements.get(1);
ListRewrite listRewrite= rewrite.getListRewrite(methodDecl.getBody(), Block.STATEMENTS_PROPERTY);
listRewrite.remove(second, null);
listRewrite.insertBefore(statement1, second, null);
listRewrite.insertAfter(statement2, second, null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public Object goo() {\n");
buf.append(" i++; //comment\n");
buf.append(" foo();\n");
buf.append(" foo();\n");
buf.append(" return new Integer(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testRemove1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
/* foo(): remove if... */
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class C {\n");
buf.append(" public Object foo() {\n");
buf.append(" if (this.equals(new Object())) {\n");
buf.append(" toString();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("C.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "C");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
List statements= block.statements();
assertTrue("No statements in block", !statements.isEmpty());
rewrite.remove((ASTNode) statements.get(0), null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class C {\n");
buf.append(" public Object foo() {\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testRemove2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class D {\n");
buf.append(" public Object goo() {\n");
buf.append(" return new Integer(3);\n");
buf.append(" }\n");
buf.append(" public void hoo(int p1, Object p2) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("D.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "D");
MethodDeclaration methodDecl= findMethodDeclaration(type, "goo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
List statements= block.statements();
assertTrue("No statements in block", !statements.isEmpty());
assertTrue("No ReturnStatement", statements.get(0) instanceof ReturnStatement);
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
Expression expr= returnStatement.getExpression();
rewrite.remove(expr, null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class D {\n");
buf.append(" public Object goo() {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" public void hoo(int p1, Object p2) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testRemove3() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
// delete
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public Object goo() {\n");
buf.append(" i++; //comment\n");
buf.append(" i++; //comment\n");
buf.append(" return new Integer(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "goo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
List statements= methodDecl.getBody().statements();
rewrite.remove((ASTNode) statements.get(0), null);
rewrite.remove((ASTNode) statements.get(1), null);
rewrite.remove((ASTNode) statements.get(2), null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public Object goo() {\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement01() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);\n");
buf.append(" foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 3", blockStatements.size() == 3);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(1), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement02() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 3", blockStatements.size() == 3);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(1), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement03() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);foo(1);\n");
buf.append(" foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 3", blockStatements.size() == 3);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(1), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement04() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);foo(1);foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 3", blockStatements.size() == 3);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(1), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);foo(2);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement05() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 4", blockStatements.size() == 4);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(2), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement06() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 4", blockStatements.size() == 4);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(1), null);
listRewrite.remove((ASTNode)blockStatements.get(2), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement07() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);foo(3);\n");
buf.append(" foo(4);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 5", blockStatements.size() == 5);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(2), null);
listRewrite.remove((ASTNode)blockStatements.get(3), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);\n");
buf.append(" foo(4);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement08() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);foo(3);\n");
buf.append(" foo(4);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 5", blockStatements.size() == 5);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(2), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(3);\n");
buf.append(" foo(4);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement09() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);foo(3);\n");
buf.append(" foo(4);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 5", blockStatements.size() == 5);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.remove((ASTNode)blockStatements.get(1), null);
listRewrite.remove((ASTNode)blockStatements.get(2), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(3);\n");
buf.append(" foo(4);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement10() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 4", blockStatements.size() == 4);
{
ASTNode statement = (ASTNode)blockStatements.get(2);
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.insertBefore(ast.newBreakStatement(), statement, null);
listRewrite.remove(statement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);break;\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement11() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 4", blockStatements.size() == 4);
{
ASTNode statement = (ASTNode)blockStatements.get(2);
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.insertAfter(ast.newBreakStatement(), statement, null);
listRewrite.remove(statement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);\n");
buf.append(" break;\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testRemoveStatement12() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);foo(2);\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 4", blockStatements.size() == 4);
{
ListRewrite listRewrite= rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY);
listRewrite.insertBefore(ast.newBreakStatement(), (ASTNode)blockStatements.get(3), null);
listRewrite.remove((ASTNode)blockStatements.get(2), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" foo(0);\n");
buf.append(" foo(1);\n");
buf.append(" break;\n");
buf.append(" foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testReplace1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
/* foo(): if.. -> return; */
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class C {\n");
buf.append(" public Object foo() {\n");
buf.append(" if (this.equals(new Object())) {\n");
buf.append(" toString();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("C.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "C");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
List statements= block.statements();
assertTrue("No statements in block", !statements.isEmpty());
ReturnStatement returnStatement= block.getAST().newReturnStatement();
rewrite.replace((ASTNode) statements.get(0), returnStatement, null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class C {\n");
buf.append(" public Object foo() {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testReplace2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
/* goo(): new Integer(3) -> 'null' */
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class D {\n");
buf.append(" public Object goo() {\n");
buf.append(" return new Integer(3);\n");
buf.append(" }\n");
buf.append(" public void hoo(int p1, Object p2) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("D.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
TypeDeclaration type= findTypeDeclaration(astRoot, "D");
MethodDeclaration methodDecl= findMethodDeclaration(type, "goo");
Block block= methodDecl.getBody();
assertTrue("No block" , block != null);
List statements= block.statements();
assertTrue("No statements in block", !statements.isEmpty());
assertTrue("No ReturnStatement", statements.get(0) instanceof ReturnStatement);
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
Expression expr= returnStatement.getExpression();
Expression modified= block.getAST().newNullLiteral();
rewrite.replace(expr, modified, null);
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class D {\n");
buf.append(" public Object goo() {\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append(" public void hoo(int p1, Object p2) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testBreakStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" break;\n");
buf.append(" break label;\n");
buf.append(" break label;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // insert label
BreakStatement statement= (BreakStatement) statements.get(0);
assertTrue("Has label", statement.getLabel() == null);
SimpleName newLabel= ast.newSimpleName("label2");
rewrite.set(statement, BreakStatement.LABEL_PROPERTY, newLabel, null);
}
{ // replace label
BreakStatement statement= (BreakStatement) statements.get(1);
SimpleName label= statement.getLabel();
assertTrue("Has no label", label != null);
SimpleName newLabel= ast.newSimpleName("label2");
rewrite.replace(label, newLabel, null);
}
{ // remove label
BreakStatement statement= (BreakStatement) statements.get(2);
SimpleName label= statement.getLabel();
assertTrue("Has no label", label != null);
rewrite.remove(label, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" break label2;\n");
buf.append(" break label2;\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testConstructorInvocation() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public E(String e, String f) {\n");
buf.append(" this();\n");
buf.append(" }\n");
buf.append(" public E() {\n");
buf.append(" this(\"Hello\", true);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration[] declarations= type.getMethods();
assertTrue("Number of statements not 2", declarations.length == 2);
{ // add parameters
Block block= declarations[0].getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
ConstructorInvocation invocation= (ConstructorInvocation) statements.get(0);
StringLiteral stringLiteral1= ast.newStringLiteral();
stringLiteral1.setLiteralValue("Hello");
StringLiteral stringLiteral2= ast.newStringLiteral();
stringLiteral2.setLiteralValue("World");
ListRewrite listRewrite= rewrite.getListRewrite(invocation, ConstructorInvocation.ARGUMENTS_PROPERTY);
listRewrite.insertLast(stringLiteral1, null);
listRewrite.insertLast(stringLiteral2, null);
}
{ //remove parameters
Block block= declarations[1].getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
ConstructorInvocation invocation= (ConstructorInvocation) statements.get(0);
List arguments= invocation.arguments();
rewrite.remove((ASTNode) arguments.get(0), null);
rewrite.remove((ASTNode) arguments.get(1), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public E(String e, String f) {\n");
buf.append(" this(\"Hello\", \"World\");\n");
buf.append(" }\n");
buf.append(" public E() {\n");
buf.append(" this();\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testConstructorInvocation2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public <A, B>E(String e, String f) {\n");
buf.append(" this();\n");
buf.append(" }\n");
buf.append(" public E() {\n");
buf.append(" <String, String>this(\"Hello\", true);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST3(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration[] declarations= type.getMethods();
assertTrue("Number of declarations not 2", declarations.length == 2);
{ // add type argument
Block block= declarations[0].getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
Type newTypeArg= ast.newSimpleType(ast.newSimpleName("A"));
ConstructorInvocation invocation= (ConstructorInvocation) statements.get(0);
ListRewrite listRewrite= rewrite.getListRewrite(invocation, ConstructorInvocation.TYPE_ARGUMENTS_PROPERTY);
listRewrite.insertLast(newTypeArg, null);
}
{ //remove type argument
Block block= declarations[1].getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
ConstructorInvocation invocation= (ConstructorInvocation) statements.get(0);
List typeArguments= invocation.typeArguments();
rewrite.remove((ASTNode) typeArguments.get(0), null);
rewrite.remove((ASTNode) typeArguments.get(1), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public <A, B>E(String e, String f) {\n");
buf.append(" <A>this();\n");
buf.append(" }\n");
buf.append(" public E() {\n");
buf.append(" this(\"Hello\", true);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testContinueStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" continue;\n");
buf.append(" continue label;\n");
buf.append(" continue label;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // insert label
ContinueStatement statement= (ContinueStatement) statements.get(0);
assertTrue("Has label", statement.getLabel() == null);
SimpleName newLabel= ast.newSimpleName("label2");
rewrite.set(statement, ContinueStatement.LABEL_PROPERTY, newLabel, null);
}
{ // replace label
ContinueStatement statement= (ContinueStatement) statements.get(1);
SimpleName label= statement.getLabel();
assertTrue("Has no label", label != null);
SimpleName newLabel= ast.newSimpleName("label2");
rewrite.replace(label, newLabel, null);
}
{ // remove label
ContinueStatement statement= (ContinueStatement) statements.get(2);
SimpleName label= statement.getLabel();
assertTrue("Has no label", label != null);
rewrite.remove(label, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" continue label2;\n");
buf.append(" continue label2;\n");
buf.append(" continue;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testDoStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" do {\n");
buf.append(" System.beep();\n");
buf.append(" } while (i == j);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace body and expression
DoStatement doStatement= (DoStatement) statements.get(0);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(doStatement.getBody(), newBody, null);
BooleanLiteral literal= ast.newBooleanLiteral(true);
rewrite.replace(doStatement.getExpression(), literal, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" do {\n");
buf.append(" hoo(11);\n");
buf.append(" } while (true);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testDoStatement1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" do {\n");
buf.append(" foo();\n");
buf.append(" } while (true);\n");
buf.append(" do\n");
buf.append(" foo();\n");
buf.append(" while (true);\n");
buf.append(" do {\n");
buf.append(" foo();\n");
buf.append(" } while (true);\n");
buf.append(" do\n");
buf.append(" foo();\n");
buf.append(" while (true);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace body block with statement
DoStatement doStatement= (DoStatement) statements.get(0);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(doStatement.getBody(), newTry, null);
}
{ // replace body statement with block
DoStatement doStatement= (DoStatement) statements.get(1);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(doStatement.getBody(), newBody, null);
}
{ // replace body block with block
DoStatement doStatement= (DoStatement) statements.get(2);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(doStatement.getBody(), newBody, null);
}
{ // replace body statement with body
DoStatement doStatement= (DoStatement) statements.get(3);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(doStatement.getBody(), newTry, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" do\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" while (true);\n");
buf.append(" do {\n");
buf.append(" hoo(11);\n");
buf.append(" } while (true);\n");
buf.append(" do {\n");
buf.append(" hoo(11);\n");
buf.append(" } while (true);\n");
buf.append(" do\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" while (true);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testExpressionStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" i= 0;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace expression
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
Expression placeholder= (Expression) rewrite.createCopyTarget(assignment);
Assignment newExpression= ast.newAssignment();
newExpression.setLeftHandSide(ast.newSimpleName("x"));
newExpression.setRightHandSide(placeholder);
newExpression.setOperator(Assignment.Operator.ASSIGN);
rewrite.replace(stmt.getExpression(), newExpression, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" x = i= 0;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testForStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" for (int i= 0; i < len; i++) {\n");
buf.append(" }\n");
buf.append(" for (i= 0, j= 0; i < len; i++, j++) {\n");
buf.append(" }\n");
buf.append(" for (;;) {\n");
buf.append(" }\n");
buf.append(" for (;;) {\n");
buf.append(" }\n");
buf.append(" for (i= 0; i < len; i++) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 5", statements.size() == 5);
{ // replace initializer, change expression, add updater, replace cody
ForStatement forStatement= (ForStatement) statements.get(0);
List initializers= forStatement.initializers();
assertTrue("Number of initializers not 1", initializers.size() == 1);
Assignment assignment= ast.newAssignment();
assignment.setLeftHandSide(ast.newSimpleName("i"));
assignment.setOperator(Assignment.Operator.ASSIGN);
assignment.setRightHandSide(ast.newNumberLiteral("3"));
rewrite.replace((ASTNode) initializers.get(0), assignment, null);
Assignment assignment2= ast.newAssignment();
assignment2.setLeftHandSide(ast.newSimpleName("j"));
assignment2.setOperator(Assignment.Operator.ASSIGN);
assignment2.setRightHandSide(ast.newNumberLiteral("4"));
rewrite.getListRewrite(forStatement, ForStatement.INITIALIZERS_PROPERTY).insertLast(assignment2, null);
BooleanLiteral literal= ast.newBooleanLiteral(true);
rewrite.replace(forStatement.getExpression(), literal, null);
// add updater
PrefixExpression prefixExpression= ast.newPrefixExpression();
prefixExpression.setOperand(ast.newSimpleName("j"));
prefixExpression.setOperator(PrefixExpression.Operator.INCREMENT);
rewrite.getListRewrite(forStatement, ForStatement.UPDATERS_PROPERTY).insertLast(prefixExpression, null);
// replace body
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(forStatement.getBody(), newBody, null);
}
{ // remove initializers, expression and updaters
ForStatement forStatement= (ForStatement) statements.get(1);
List initializers= forStatement.initializers();
assertTrue("Number of initializers not 2", initializers.size() == 2);
rewrite.remove((ASTNode) initializers.get(0), null);
rewrite.remove((ASTNode) initializers.get(1), null);
rewrite.remove(forStatement.getExpression(), null);
List updaters= forStatement.updaters();
assertTrue("Number of initializers not 2", updaters.size() == 2);
rewrite.remove((ASTNode) updaters.get(0), null);
rewrite.remove((ASTNode) updaters.get(1), null);
}
{ // insert updater
ForStatement forStatement= (ForStatement) statements.get(2);
PrefixExpression prefixExpression= ast.newPrefixExpression();
prefixExpression.setOperand(ast.newSimpleName("j"));
prefixExpression.setOperator(PrefixExpression.Operator.INCREMENT);
rewrite.getListRewrite(forStatement, ForStatement.UPDATERS_PROPERTY).insertLast(prefixExpression, null);
}
{ // insert updater & initializer
ForStatement forStatement= (ForStatement) statements.get(3);
Assignment assignment= ast.newAssignment();
assignment.setLeftHandSide(ast.newSimpleName("j"));
assignment.setOperator(Assignment.Operator.ASSIGN);
assignment.setRightHandSide(ast.newNumberLiteral("3"));
rewrite.getListRewrite(forStatement, ForStatement.INITIALIZERS_PROPERTY).insertLast(assignment, null);
PrefixExpression prefixExpression= ast.newPrefixExpression();
prefixExpression.setOperand(ast.newSimpleName("j"));
prefixExpression.setOperator(PrefixExpression.Operator.INCREMENT);
rewrite.getListRewrite(forStatement, ForStatement.UPDATERS_PROPERTY).insertLast(prefixExpression, null);
}
{ // replace initializer: turn assignement to var decl
ForStatement forStatement= (ForStatement) statements.get(4);
Assignment assignment= (Assignment) forStatement.initializers().get(0);
SimpleName leftHandSide= (SimpleName) assignment.getLeftHandSide();
VariableDeclarationFragment varFragment= ast.newVariableDeclarationFragment();
VariableDeclarationExpression varDecl= ast.newVariableDeclarationExpression(varFragment);
varFragment.setName(ast.newSimpleName(leftHandSide.getIdentifier()));
Expression placeholder= (Expression) rewrite.createCopyTarget(assignment.getRightHandSide());
varFragment.setInitializer(placeholder);
varDecl.setType(ast.newPrimitiveType(PrimitiveType.INT));
rewrite.replace(assignment, varDecl, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" for (i = 3, j = 4; true; i++, ++j) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" for (;;) {\n");
buf.append(" }\n");
buf.append(" for (;;++j) {\n");
buf.append(" }\n");
buf.append(" for (j = 3;;++j) {\n");
buf.append(" }\n");
buf.append(" for (int i = 0; i < len; i++) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testForStatement1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" for (;;) {\n");
buf.append(" foo();\n");
buf.append(" }\n");
buf.append(" for (;;)\n");
buf.append(" foo();\n");
buf.append(" for (;;) {\n");
buf.append(" foo();\n");
buf.append(" }\n");
buf.append(" for (;;)\n");
buf.append(" foo();\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace body block with statement
ForStatement forStatement= (ForStatement) statements.get(0);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(forStatement.getBody(), newTry, null);
}
{ // replace body statement with block
ForStatement forStatement= (ForStatement) statements.get(1);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(forStatement.getBody(), newBody, null);
}
{ // replace body block with block
ForStatement forStatement= (ForStatement) statements.get(2);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(forStatement.getBody(), newBody, null);
}
{ // replace body statement with body
ForStatement forStatement= (ForStatement) statements.get(3);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(forStatement.getBody(), newTry, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" for (;;)\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" for (;;) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" for (;;) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" for (;;)\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testForStatement2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" for (;;) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace for statement
ForStatement forStatement= (ForStatement) statements.get(0);
ForStatement newForStatement= ast.newForStatement();
List initializers= newForStatement.initializers();
Assignment init1= ast.newAssignment();
init1.setLeftHandSide(ast.newSimpleName("x"));
init1.setRightHandSide(ast.newNumberLiteral("1"));
initializers.add(init1);
Assignment init2= ast.newAssignment();
init2.setLeftHandSide(ast.newSimpleName("y"));
init2.setRightHandSide(ast.newNumberLiteral("10"));
initializers.add(init2);
InfixExpression expression= ast.newInfixExpression();
expression.setOperator(InfixExpression.Operator.LESS);
expression.setRightOperand(ast.newSimpleName("y"));
expression.setLeftOperand(ast.newSimpleName("x"));
newForStatement.setExpression(expression);
List updaters= newForStatement.updaters();
PrefixExpression upd1= ast.newPrefixExpression();
upd1.setOperator(PrefixExpression.Operator.INCREMENT);
upd1.setOperand(ast.newSimpleName("x"));
updaters.add(upd1);
PrefixExpression upd2= ast.newPrefixExpression();
upd2.setOperator(PrefixExpression.Operator.DECREMENT);
upd2.setOperand(ast.newSimpleName("y"));
updaters.add(upd2);
newForStatement.setBody(ast.newBlock());
rewrite.replace(forStatement, newForStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" for (x = 1, y = 10; x < y; ++x, --y) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 2", statements.size() == 2);
{ // replace expression body and then body, remove else body
IfStatement ifStatement= (IfStatement) statements.get(0);
BooleanLiteral literal= ast.newBooleanLiteral(true);
rewrite.replace(ifStatement.getExpression(), literal, null);
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
Block newBody= ast.newBlock();
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(ifStatement.getThenStatement(), newBody, null);
rewrite.remove(ifStatement.getElseStatement(), null);
}
{ // add else body
IfStatement ifStatement= (IfStatement) statements.get(1);
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
Block newBody= ast.newBlock();
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.set(ifStatement, IfStatement.ELSE_STATEMENT_PROPERTY, newBody, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (true) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 5", statements.size() == 3);
{ // replace then block by statement
IfStatement ifStatement= (IfStatement) statements.get(0);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
}
{ // replace then block by statement
IfStatement ifStatement= (IfStatement) statements.get(1);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
}
{ // replace then block by statement
IfStatement ifStatement= (IfStatement) statements.get(2);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace then block by statement, add else statement
IfStatement ifStatement= (IfStatement) statements.get(0);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
Statement returnStatement= ast.newReturnStatement();
rewrite.set(ifStatement, IfStatement.ELSE_STATEMENT_PROPERTY, returnStatement, null);
}
{ // replace then block by statement, remove else statement
IfStatement ifStatement= (IfStatement) statements.get(1);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
rewrite.remove(ifStatement.getElseStatement(), null);
}
{ // replace then block by statement, add else statement
IfStatement ifStatement= (IfStatement) statements.get(2);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
Block newElseBlock= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newElseBlock.statements().add(returnStatement);
rewrite.set(ifStatement, IfStatement.ELSE_STATEMENT_PROPERTY, newElseBlock, null);
}
{ // replace then block by statement, remove else statement
IfStatement ifStatement= (IfStatement) statements.get(3);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
rewrite.remove(ifStatement.getElseStatement(), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" return;\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement3() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // replace then block by statement
IfStatement ifStatement= (IfStatement) statements.get(0);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
}
{ // replace then block by statement
IfStatement ifStatement= (IfStatement) statements.get(1);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
}
{ // replace then block by statement
IfStatement ifStatement= (IfStatement) statements.get(2);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement4() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace then statement by block , add else statement
IfStatement ifStatement= (IfStatement) statements.get(0);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
Statement returnStatement= ast.newReturnStatement();
rewrite.set(ifStatement, IfStatement.ELSE_STATEMENT_PROPERTY, returnStatement, null);
}
{ // replace then statement by block, remove else statement
IfStatement ifStatement= (IfStatement) statements.get(1);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
rewrite.remove(ifStatement.getElseStatement(), null);
}
{ // replace then block by statement, add else statement
IfStatement ifStatement= (IfStatement) statements.get(2);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
Block newElseBlock= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newElseBlock.statements().add(returnStatement);
rewrite.set(ifStatement, IfStatement.ELSE_STATEMENT_PROPERTY, newElseBlock, null);
}
{ // replace then block by statement, remove else statement
IfStatement ifStatement= (IfStatement) statements.get(3);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
rewrite.remove(ifStatement.getElseStatement(), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" return;\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement5() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else if (true) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else if (true)\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace then statement by block , add else statement
IfStatement ifStatement= (IfStatement) statements.get(0);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Block newBody2= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newBody2.statements().add(returnStatement);
newElseBlock.setThenStatement(newBody2);
rewrite.set(ifStatement, IfStatement.ELSE_STATEMENT_PROPERTY, newElseBlock, null);
}
{ // replace then statement by block, remove else statement
IfStatement ifStatement= (IfStatement) statements.get(1);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
rewrite.remove(ifStatement.getElseStatement(), null);
}
{ // replace then block by statement, add else statement
IfStatement ifStatement= (IfStatement) statements.get(2);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Statement returnStatement= ast.newReturnStatement();
newElseBlock.setThenStatement(returnStatement);
rewrite.set(ifStatement, IfStatement.ELSE_STATEMENT_PROPERTY, newElseBlock, null);
}
{ // replace then block by statement, remove else statement
IfStatement ifStatement= (IfStatement) statements.get(3);
ASTNode statement= ifStatement.getThenStatement();
ASTNode placeholder= rewrite.createMoveTarget(statement);
Block newBody= ast.newBlock();
newBody.statements().add(placeholder);
rewrite.replace(statement, newBody, null);
rewrite.remove(ifStatement.getElseStatement(), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else if (true) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else if (true)\n");
buf.append(" return;\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement6() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 2", statements.size() == 2);
{ // replace then statement by a try statement
IfStatement ifStatement= (IfStatement) statements.get(0);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(ifStatement.getThenStatement(), newTry, null);
}
{ // replace then statement by a try statement
IfStatement ifStatement= (IfStatement) statements.get(1);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(ifStatement.getThenStatement(), newTry, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatement_bug48988() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" void doit() {\n");
buf.append(" int var;\n");
buf.append(" if (true)\n");
buf.append(" var = 17;\n");
buf.append(" else if (var == 18)\n");
buf.append(" if (1 < var && var < 17)\n");
buf.append(" var = 1;\n");
buf.append(" else\n");
buf.append(" var++;\n");
buf.append(" else\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration typeDecl= findTypeDeclaration(astRoot, "E");
MethodDeclaration methDecl= findMethodDeclaration(typeDecl, "doit");
IfStatement outerIf= (IfStatement) methDecl.getBody().statements().get(1);
ASTNode node= ((IfStatement) outerIf.getElseStatement()).getThenStatement();
assertTrue(node instanceof IfStatement);
{ // replace else statement by a block containing the old then statement
IfStatement ifStatement= (IfStatement) node;
ASTNode placeholder = rewrite.createMoveTarget(ifStatement);
Block newBlock = ast.newBlock();
newBlock.statements().add(placeholder);
rewrite.replace(ifStatement, newBlock, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" void doit() {\n");
buf.append(" int var;\n");
buf.append(" if (true)\n");
buf.append(" var = 17;\n");
buf.append(" else if (var == 18) {\n");
buf.append(" if (1 < var && var < 17)\n");
buf.append(" var = 1;\n");
buf.append(" else\n");
buf.append(" var++;\n");
buf.append(" } else\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatementReplaceElse1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace then statement by block , replace else statement
IfStatement ifStatement= (IfStatement) statements.get(0);
Block newElseBlock= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newElseBlock.statements().add(returnStatement);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then statement by block, replace else statement
IfStatement ifStatement= (IfStatement) statements.get(1);
Block newElseBlock= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newElseBlock.statements().add(returnStatement);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then block by statement, replace else statement
IfStatement ifStatement= (IfStatement) statements.get(2);
Statement returnStatement= ast.newReturnStatement();
rewrite.replace(ifStatement.getElseStatement(), returnStatement, null);
}
{ // replace then block by statement, replace else statement
IfStatement ifStatement= (IfStatement) statements.get(3);
Statement returnStatement= ast.newReturnStatement();
rewrite.replace(ifStatement.getElseStatement(), returnStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" return;\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatementReplaceElse2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace then statement by block , replace else statement
IfStatement ifStatement= (IfStatement) statements.get(0);
ASTNode statement= ifStatement.getThenStatement();
Block newBody= ast.newBlock();
ASTNode newStatement= rewrite.createMoveTarget(statement);
newBody.statements().add(newStatement);
rewrite.replace(statement, newBody, null);
Block newElseBlock= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newElseBlock.statements().add(returnStatement);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then statement by block, replace else statement
IfStatement ifStatement= (IfStatement) statements.get(1);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
Block newElseBlock= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newElseBlock.statements().add(returnStatement);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then block by statement, replace else statement
IfStatement ifStatement= (IfStatement) statements.get(2);
ASTNode statement= ifStatement.getThenStatement();
Block newBody= ast.newBlock();
ASTNode newStatement= rewrite.createMoveTarget(statement);
newBody.statements().add(newStatement);
rewrite.replace(statement, newBody, null);
Statement returnStatement= ast.newReturnStatement();
rewrite.replace(ifStatement.getElseStatement(), returnStatement, null);
}
{ // replace then block by statement, replace else statement
IfStatement ifStatement= (IfStatement) statements.get(3);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
Statement returnStatement= ast.newReturnStatement();
rewrite.replace(ifStatement.getElseStatement(), returnStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" return;\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatementReplaceElse3() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace then statement by block , replace else with if statement (no block)
IfStatement ifStatement= (IfStatement) statements.get(0);
ASTNode statement= ifStatement.getThenStatement();
Block newBody= ast.newBlock();
ASTNode newStatement= rewrite.createMoveTarget(statement);
newBody.statements().add(newStatement);
rewrite.replace(statement, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Statement newBody2= (Statement) rewrite.createMoveTarget(ifStatement.getElseStatement());
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then statement by block, replace else with if statement (no block)
IfStatement ifStatement= (IfStatement) statements.get(1);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Statement newBody2= (Statement) rewrite.createMoveTarget(ifStatement.getElseStatement());
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then block by statement, replace else with if statement (block)
IfStatement ifStatement= (IfStatement) statements.get(2);
ASTNode statement= ifStatement.getThenStatement();
Block newBody= ast.newBlock();
ASTNode newStatement= rewrite.createMoveTarget(statement);
newBody.statements().add(newStatement);
rewrite.replace(statement, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Statement newBody2= (Statement) rewrite.createMoveTarget(ifStatement.getElseStatement());
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then block by statement, replace else with if statement (block)
IfStatement ifStatement= (IfStatement) statements.get(3);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Statement newBody2= (Statement) rewrite.createMoveTarget(ifStatement.getElseStatement());
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else if (true)\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else if (true)\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else if (true) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else if (true) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIfStatementReplaceElse4() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else\n");
buf.append(" hoo(11);\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace then statement by block , replace else with if statement (block)
IfStatement ifStatement= (IfStatement) statements.get(0);
ASTNode statement= ifStatement.getThenStatement();
Block newBody= ast.newBlock();
ASTNode newStatement= rewrite.createMoveTarget(statement);
newBody.statements().add(newStatement);
rewrite.replace(statement, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Block newBody2= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newBody2.statements().add(returnStatement);
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then statement by block, replace else with if statement (block)
IfStatement ifStatement= (IfStatement) statements.get(1);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Block newBody2= ast.newBlock();
Statement returnStatement= ast.newReturnStatement();
newBody2.statements().add(returnStatement);
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then block by statement, replace else with if statement (no block)
IfStatement ifStatement= (IfStatement) statements.get(2);
ASTNode statement= ifStatement.getThenStatement();
Block newBody= ast.newBlock();
ASTNode newStatement= rewrite.createMoveTarget(statement);
newBody.statements().add(newStatement);
rewrite.replace(statement, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Statement newBody2= ast.newReturnStatement();
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
{ // replace then block by statement, replace else with if statement (no block)
IfStatement ifStatement= (IfStatement) statements.get(3);
Block body= (Block) ifStatement.getThenStatement();
ASTNode statement= (ASTNode) body.statements().get(0);
ASTNode newBody= rewrite.createMoveTarget(statement);
rewrite.replace(body, newBody, null);
IfStatement newElseBlock= ast.newIfStatement();
newElseBlock.setExpression(ast.newBooleanLiteral(true));
Statement newBody2= ast.newReturnStatement();
newElseBlock.setThenStatement(newBody2);
rewrite.replace(ifStatement.getElseStatement(), newElseBlock, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else if (true) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else if (true) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" } else if (true)\n");
buf.append(" return;\n");
buf.append(" if (i == 0)\n");
buf.append(" System.beep();\n");
buf.append(" else if (true)\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testLabeledStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" label: if (i == 0) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace label and statement
LabeledStatement labeledStatement= (LabeledStatement) statements.get(0);
Name newLabel= ast.newSimpleName("newLabel");
rewrite.replace(labeledStatement.getLabel(), newLabel, null);
Assignment newExpression= ast.newAssignment();
newExpression.setLeftHandSide(ast.newSimpleName("x"));
newExpression.setRightHandSide(ast.newNumberLiteral("1"));
newExpression.setOperator(Assignment.Operator.ASSIGN);
Statement newStatement= ast.newExpressionStatement(newExpression);
rewrite.replace(labeledStatement.getBody(), newStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" newLabel: x = 1;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testReturnStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" return;\n");
buf.append(" return 1;\n");
buf.append(" return 1;\n");
buf.append(" return 1 + 2;\n");
buf.append(" return(1 + 2);\n");
buf.append(" return/*com*/ 1;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 6", statements.size() == 6);
{ // insert expression
ReturnStatement statement= (ReturnStatement) statements.get(0);
assertTrue("Has expression", statement.getExpression() == null);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(statement, ReturnStatement.EXPRESSION_PROPERTY, newExpression, null);
}
{ // replace expression
ReturnStatement statement= (ReturnStatement) statements.get(1);
Expression expression= statement.getExpression();
assertTrue("Has no label", expression != null);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.replace(expression, newExpression, null);
}
{ // remove expression
ReturnStatement statement= (ReturnStatement) statements.get(2);
Expression expression= statement.getExpression();
assertTrue("Has no label", expression != null);
rewrite.remove(expression, null);
}
{ // modify in expression (no change)
ReturnStatement statement= (ReturnStatement) statements.get(3);
InfixExpression expression= (InfixExpression) statement.getExpression();
rewrite.replace(expression.getLeftOperand(), ast.newNumberLiteral("9"), null);
}
{ // replace parentized expression (additional space needed)
ReturnStatement statement= (ReturnStatement) statements.get(4);
Expression expression= statement.getExpression();
rewrite.replace(expression, ast.newNumberLiteral("9"), null);
}
{ // replace expression with comment (additional space needed)
ReturnStatement statement= (ReturnStatement) statements.get(5);
Expression expression= statement.getExpression();
rewrite.replace(expression, ast.newNumberLiteral("9"), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" return x;\n");
buf.append(" return x;\n");
buf.append(" return;\n");
buf.append(" return 9 + 2;\n");
buf.append(" return 9;\n");
buf.append(" return 9;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testReturnStatement2() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" return\"A\";\n");
buf.append(" return\"A\"+\"B\";\n");
buf.append(" return(1) * 2 + 3;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // replace expression "A" in return"A"
ReturnStatement statement= (ReturnStatement) statements.get(0);
Expression expression= statement.getExpression();
assertTrue("Has no label", expression != null);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.replace(expression, newExpression, null);
}
{ // replace expression "A" in return"A"+"B"
ReturnStatement statement= (ReturnStatement) statements.get(1);
Expression expression= statement.getExpression();
assertTrue("Has no expression", expression != null);
assertTrue("Is not an InfixExpression", expression instanceof InfixExpression);
Expression leftOperand = ((InfixExpression)expression).getLeftOperand();
assertTrue("Has no leftOperand", leftOperand != null);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.replace(leftOperand, newExpression, null);
}
{ // replace expression (1) in return(1) * 2 + 3
ReturnStatement statement= (ReturnStatement) statements.get(2);
Expression expression= statement.getExpression();
assertTrue("Has no expression", expression != null);
assertTrue("Is not an InfixExpression", expression instanceof InfixExpression);
Expression leftOperand = ((InfixExpression)expression).getLeftOperand();
assertTrue("Has no leftOperand", leftOperand != null);
assertTrue("Is not an InfixExpression", leftOperand instanceof InfixExpression);
Expression leftOperand2 = ((InfixExpression)leftOperand).getLeftOperand();
assertTrue("Has no leftOperand2", leftOperand2 != null);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.replace(leftOperand2, newExpression, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" return x;\n");
buf.append(" return x+\"B\";\n");
buf.append(" return x * 2 + 3;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testAssertStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" assert(true);\n");
buf.append(" assert/* comment*/true;\n");
buf.append(" assert(true);\n");
buf.append(" assert(true) : \"Hello\";\n");
buf.append(" assert(true) : \"Hello\";\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 5", statements.size() == 5);
{ // replace expression
AssertStatement statement= (AssertStatement) statements.get(0);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(statement, AssertStatement.EXPRESSION_PROPERTY, newExpression, null);
}
{ // replace expression
AssertStatement statement= (AssertStatement) statements.get(1);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(statement, AssertStatement.EXPRESSION_PROPERTY, newExpression, null);
}
{ // insert message
AssertStatement statement= (AssertStatement) statements.get(2);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(statement, AssertStatement.MESSAGE_PROPERTY, newExpression, null);
}
{ // replace message
AssertStatement statement= (AssertStatement) statements.get(3);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(statement, AssertStatement.MESSAGE_PROPERTY, newExpression, null);
}
{ // remove message
AssertStatement statement= (AssertStatement) statements.get(4);
rewrite.set(statement, AssertStatement.MESSAGE_PROPERTY, null, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" assert x;\n");
buf.append(" assert x;\n");
buf.append(" assert(true) : x;\n");
buf.append(" assert(true) : x;\n");
buf.append(" assert(true);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSwitchStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" }\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" break;\n");
buf.append(" case 2:\n");
buf.append(" i= 2;\n");
buf.append(" break;\n");
buf.append(" default:\n");
buf.append(" i= 3;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 2", blockStatements.size() == 2);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
ASTNode expression= switchStatement.getExpression();
SimpleName newExpression= ast.newSimpleName("x");
rewrite.replace(expression, newExpression, null);
List statements= switchStatement.statements();
assertTrue("Number of statements not 0", statements.size() == 0);
SwitchCase caseStatement1= ast.newSwitchCase();
caseStatement1.setExpression(ast.newNumberLiteral("1"));
Statement statement1= ast.newReturnStatement();
SwitchCase caseStatement2= ast.newSwitchCase(); // default
caseStatement2.setExpression(null);
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.insertLast(caseStatement1, null);
listRewrite.insertLast(statement1, null);
listRewrite.insertLast(caseStatement2, null);
}
{ // insert, remove, replace statements, change case statements
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(1);
List statements= switchStatement.statements();
assertTrue("Number of statements not 8", statements.size() == 8);
// remove statements
rewrite.remove((ASTNode) statements.get(0), null);
rewrite.remove((ASTNode) statements.get(1), null);
rewrite.remove((ASTNode) statements.get(2), null);
// change case statement
SwitchCase caseStatement= (SwitchCase) statements.get(3);
Expression newCaseExpression= ast.newNumberLiteral("10");
rewrite.replace(caseStatement.getExpression(), newCaseExpression, null);
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
{
// insert case statement
SwitchCase caseStatement2= ast.newSwitchCase();
caseStatement2.setExpression(ast.newNumberLiteral("11"));
listRewrite.insertFirst(caseStatement2, null);
// insert statement
Statement statement1= ast.newReturnStatement();
listRewrite.insertAfter(statement1, caseStatement2, null);
}
{
// insert case statement
SwitchCase caseStatement2= ast.newSwitchCase();
caseStatement2.setExpression(ast.newNumberLiteral("12"));
listRewrite.insertLast(caseStatement2, null);
// insert statement
Statement statement1= ast.newReturnStatement();
listRewrite.insertAfter(statement1, caseStatement2, null);
}
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (x) {\n");
buf.append(" case 1:\n");
buf.append(" return;\n");
buf.append(" default:\n");
buf.append(" }\n");
buf.append(" switch (i) {\n");
buf.append(" case 11:\n");
buf.append(" return;\n");
buf.append(" case 10:\n");
buf.append(" i= 2;\n");
buf.append(" break;\n");
buf.append(" default:\n");
buf.append(" i= 3;\n");
buf.append(" case 12:\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSwitchStatement2() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" }\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" break;\n");
buf.append(" case 2:\n");
buf.append(" i= 2;\n");
buf.append(" break;\n");
buf.append(" default:\n");
buf.append(" i= 3;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 2", blockStatements.size() == 2);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
ASTNode expression= switchStatement.getExpression();
SimpleName newExpression= ast.newSimpleName("x");
rewrite.replace(expression, newExpression, null);
List statements= switchStatement.statements();
assertTrue("Number of statements not 0", statements.size() == 0);
SwitchCase caseStatement1= ast.newSwitchCase();
caseStatement1.setExpression(ast.newNumberLiteral("1"));
Statement statement1= ast.newReturnStatement();
SwitchCase caseStatement2= ast.newSwitchCase(); // default
caseStatement2.setExpression(null);
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.insertLast(caseStatement1, null);
listRewrite.insertLast(statement1, null);
listRewrite.insertLast(caseStatement2, null);
}
{ // insert, remove, replace statements, change case statements
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(1);
List statements= switchStatement.statements();
assertTrue("Number of statements not 8", statements.size() == 8);
// remove statements
rewrite.remove((ASTNode) statements.get(0), null);
rewrite.remove((ASTNode) statements.get(1), null);
rewrite.remove((ASTNode) statements.get(2), null);
// change case statement
SwitchCase caseStatement= (SwitchCase) statements.get(3);
Expression newCaseExpression= ast.newNumberLiteral("10");
rewrite.replace(caseStatement.getExpression(), newCaseExpression, null);
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
{
// insert case statement
SwitchCase caseStatement2= ast.newSwitchCase();
caseStatement2.setExpression(ast.newNumberLiteral("11"));
listRewrite.insertFirst(caseStatement2, null);
// insert statement
Statement statement1= ast.newReturnStatement();
listRewrite.insertAfter(statement1, caseStatement2, null);
}
{
// insert case statement
SwitchCase caseStatement2= ast.newSwitchCase();
caseStatement2.setExpression(ast.newNumberLiteral("12"));
listRewrite.insertLast(caseStatement2, null);
// insert statement
Statement statement1= ast.newReturnStatement();
listRewrite.insertAfter(statement1, caseStatement2, null);
}
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (x) {\n");
buf.append(" case 1:\n");
buf.append(" return;\n");
buf.append(" default:\n");
buf.append(" }\n");
buf.append(" switch (i) {\n");
buf.append(" case 11:\n");
buf.append(" return;\n");
buf.append(" case 10:\n");
buf.append(" i= 2;\n");
buf.append(" break;\n");
buf.append(" default:\n");
buf.append(" i= 3;\n");
buf.append(" case 12:\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
public void testSwitchStatement3() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" case 2:\n");
buf.append(" i= 2;\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 2", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 0", statements.size() == 5);
SwitchCase caseStatement = (SwitchCase)statements.get(2);
BreakStatement breakStatement= ast.newBreakStatement();
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.insertBefore(breakStatement, caseStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" break;\n");
buf.append(" case 2:\n");
buf.append(" i= 2;\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
/*
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=246627
* Insert a statement before an unchanged statement (and preceded by an unchanged statement)
*/
public void testSwitchStatement5() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
SwitchCase caseStatement = (SwitchCase)statements.get(2); // case 2:
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.insertBefore(ast.newBreakStatement(), caseStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" break;\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
/*
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=246627
* Insert a statement after an unchanged statement (and preceded by an unchanged statement)
*/
public void testSwitchStatement6() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
ExpressionStatement assignment = (ExpressionStatement)statements.get(1); // i= 1;
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.insertAfter(ast.newBreakStatement(), assignment, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" break;\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
/*
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=246627
* Replace a statement preceded by an unchanged statement)
*/
public void testSwitchStatement7() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" case 3:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
ExpressionStatement assignment = (ExpressionStatement)statements.get(1); // i= 1;:
SwitchCase switchCase = ast.newSwitchCase();
switchCase.setExpression(ast.newNumberLiteral("2"));
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.replace(assignment, switchCase, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" case 2:\n");
buf.append(" case 3:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
/*
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=246627
* Remove a statement preceded by an unchanged statement)
*/
public void testSwitchStatement8() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
ExpressionStatement assignment = (ExpressionStatement)statements.get(1); // i= 1;:
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.remove(assignment, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
/*
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=246627
* Remove a statement followed by an inserted statement)
*/
public void testSwitchStatement9() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" case 3:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
ExpressionStatement assignment = (ExpressionStatement)statements.get(1); // i= 1;
SwitchCase switchCase = ast.newSwitchCase();
switchCase.setExpression(ast.newNumberLiteral("2"));
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.remove(assignment, null);
listRewrite.insertAfter(switchCase, assignment, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" case 2:\n");
buf.append(" case 3:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
/*
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=246627
* Remove a statement preceded by an inserted statement)
*/
public void testSwitchStatement10() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" i= 1;\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
ExpressionStatement assignment = (ExpressionStatement)statements.get(1); // i= 1;:
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.insertBefore(ast.newBreakStatement(), assignment, null);
listRewrite.remove(assignment, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch (i) {\n");
buf.append(" case 1:\n");
buf.append(" break;\n");
buf.append(" case 2:\n");
buf.append(" break;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testSwitchStatement11() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch(4){\n");
buf.append(" case 4:break;break;\n");
buf.append(" default:System.out.println(\"Not 4\");\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 5", statements.size() == 5);
BreakStatement breakStatement = (BreakStatement)statements.get(2); // break;:
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.remove(breakStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch(4){\n");
buf.append(" case 4:break;\n");
buf.append(" default:System.out.println(\"Not 4\");\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=276938
public void testSwitchStatement12() throws Exception {
String previousValue = null;
try {
previousValue = this.project1.getOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, false);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_SWITCH, DefaultCodeFormatterConstants.FALSE);
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch(4){\n");
buf.append(" case 4:break;break;default:System.out.println(\"Not 4\");\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);
{ // insert statements, replace expression
SwitchStatement switchStatement= (SwitchStatement) blockStatements.get(0);
List statements= switchStatement.statements();
assertTrue("Number of statements not 5", statements.size() == 5);
BreakStatement breakStatement = (BreakStatement)statements.get(2); // break;:
ListRewrite listRewrite= rewrite.getListRewrite(switchStatement, SwitchStatement.STATEMENTS_PROPERTY);
listRewrite.remove(breakStatement, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" switch(4){\n");
buf.append(" case 4:break;default:System.out.println(\"Not 4\");\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
} finally {
if (previousValue != null) {
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INDENT_SWITCHSTATEMENTS_COMPARE_TO_CASES, previousValue);
}
}
}
public void testSynchronizedStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" synchronized(this) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace expression and body
SynchronizedStatement statement= (SynchronizedStatement) statements.get(0);
ASTNode newExpression= ast.newSimpleName("obj");
rewrite.replace(statement.getExpression(), newExpression, null);
Block newBody= ast.newBlock();
Assignment assign= ast.newAssignment();
assign.setLeftHandSide(ast.newSimpleName("x"));
assign.setRightHandSide(ast.newNumberLiteral("1"));
assign.setOperator(Assignment.Operator.ASSIGN);
newBody.statements().add(ast.newExpressionStatement(assign));
rewrite.replace(statement.getBody(), newBody, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" synchronized(obj) {\n");
buf.append(" x = 1;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testThrowStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" throw new Exception();\n");
buf.append(" }\n");
buf.append(" public void goo() {\n");
buf.append(" throw new Exception('d');\n");
buf.append(" }\n");
buf.append(" public void hoo() {\n");
buf.append(" throw(e);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
{ // replace expression
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
ThrowStatement statement= (ThrowStatement) statements.get(0);
ClassInstanceCreation creation= ast.newClassInstanceCreation();
creation.setName(ast.newSimpleName("NullPointerException"));
creation.arguments().add(ast.newSimpleName("x"));
rewrite.replace(statement.getExpression(), creation, null);
}
{ // modify expression
MethodDeclaration methodDecl= findMethodDeclaration(type, "goo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
ThrowStatement statement= (ThrowStatement) statements.get(0);
ClassInstanceCreation creation= (ClassInstanceCreation) statement.getExpression();
ASTNode newArgument= ast.newSimpleName("x");
rewrite.replace((ASTNode) creation.arguments().get(0), newArgument, null);
}
{ // replace expression, introduce space
MethodDeclaration methodDecl= findMethodDeclaration(type, "hoo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
ThrowStatement statement= (ThrowStatement) statements.get(0);
ParenthesizedExpression expression= (ParenthesizedExpression) statement.getExpression();
rewrite.replace(expression, rewrite.createMoveTarget(expression.getExpression()), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" throw new NullPointerException(x);\n");
buf.append(" }\n");
buf.append(" public void goo() {\n");
buf.append(" throw new Exception(x);\n");
buf.append(" }\n");
buf.append(" public void hoo() {\n");
buf.append(" throw e;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testTryStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" try {\n");
buf.append(" } finally {\n");
buf.append(" }\n");
buf.append(" try {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" } finally {\n");
buf.append(" }\n");
buf.append(" try {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" try {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 4", blockStatements.size() == 4);
{ // add catch, replace finally
TryStatement tryStatement= (TryStatement) blockStatements.get(0);
CatchClause catchClause= ast.newCatchClause();
SingleVariableDeclaration decl= ast.newSingleVariableDeclaration();
decl.setType(ast.newSimpleType(ast.newSimpleName("IOException")));
decl.setName(ast.newSimpleName("e"));
catchClause.setException(decl);
rewrite.getListRewrite(tryStatement, TryStatement.CATCH_CLAUSES_PROPERTY).insertLast(catchClause, null);
Block body= ast.newBlock();
body.statements().add(ast.newReturnStatement());
rewrite.replace(tryStatement.getFinally(), body, null);
}
{ // replace catch, remove finally
TryStatement tryStatement= (TryStatement) blockStatements.get(1);
List catchClauses= tryStatement.catchClauses();
CatchClause catchClause= ast.newCatchClause();
SingleVariableDeclaration decl= ast.newSingleVariableDeclaration();
decl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
decl.setName(ast.newSimpleName("x"));
catchClause.setException(decl);
rewrite.replace((ASTNode) catchClauses.get(0), catchClause, null);
rewrite.remove(tryStatement.getFinally(), null);
}
{ // remove catch, add finally
TryStatement tryStatement= (TryStatement) blockStatements.get(2);
List catchClauses= tryStatement.catchClauses();
rewrite.remove((ASTNode) catchClauses.get(0), null);
Block body= ast.newBlock();
body.statements().add(ast.newReturnStatement());
rewrite.set(tryStatement, TryStatement.FINALLY_PROPERTY, body, null);
}
{ // insert catch before and after existing
TryStatement tryStatement= (TryStatement) blockStatements.get(3);
CatchClause catchClause1= ast.newCatchClause();
SingleVariableDeclaration decl1= ast.newSingleVariableDeclaration();
decl1.setType(ast.newSimpleType(ast.newSimpleName("ParseException")));
decl1.setName(ast.newSimpleName("e"));
catchClause1.setException(decl1);
rewrite.getListRewrite(tryStatement, TryStatement.CATCH_CLAUSES_PROPERTY).insertFirst(catchClause1, null);
CatchClause catchClause2= ast.newCatchClause();
SingleVariableDeclaration decl2= ast.newSingleVariableDeclaration();
decl2.setType(ast.newSimpleType(ast.newSimpleName("FooException")));
decl2.setName(ast.newSimpleName("e"));
catchClause2.setException(decl2);
rewrite.getListRewrite(tryStatement, TryStatement.CATCH_CLAUSES_PROPERTY).insertLast(catchClause2, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int i) {\n");
buf.append(" try {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" } finally {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" try {\n");
buf.append(" } catch (Exception x) {\n");
buf.append(" }\n");
buf.append(" try {\n");
buf.append(" } finally {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" try {\n");
buf.append(" } catch (ParseException e) {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" } catch (FooException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testTypeDeclarationStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" class A {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace expression
TypeDeclarationStatement stmt= (TypeDeclarationStatement) statements.get(0);
TypeDeclaration newDeclaration= ast.newTypeDeclaration();
newDeclaration.setName(ast.newSimpleName("X"));
newDeclaration.setInterface(true);
rewrite.replace(stmt.getTypeDeclaration(), newDeclaration, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" interface X {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testVariableDeclarationStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class A {\n");
buf.append(" public void foo() {\n");
buf.append(" int i1= 1;\n");
buf.append(" int i2= 1, k2= 2, n2= 3;\n");
buf.append(" final int i3= 1, k3= 2, n3= 3;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("A.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "A");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // add modifier, change type, add fragment
VariableDeclarationStatement decl= (VariableDeclarationStatement) statements.get(0);
// add modifier
int newModifiers= Modifier.FINAL;
rewrite.set(decl, VariableDeclarationStatement.MODIFIERS_PROPERTY, new Integer(newModifiers), null);
PrimitiveType newType= ast.newPrimitiveType(PrimitiveType.BOOLEAN);
rewrite.replace(decl.getType(), newType, null);
VariableDeclarationFragment frag= ast.newVariableDeclarationFragment();
frag.setName(ast.newSimpleName("k1"));
frag.setInitializer(null);
rewrite.getListRewrite(decl, VariableDeclarationStatement.FRAGMENTS_PROPERTY).insertLast(frag, null);
}
{ // add modifiers, remove first two fragments, replace last
VariableDeclarationStatement decl= (VariableDeclarationStatement) statements.get(1);
// add modifier
int newModifiers= Modifier.FINAL;
rewrite.set(decl, VariableDeclarationStatement.MODIFIERS_PROPERTY, new Integer(newModifiers), null);
List fragments= decl.fragments();
assertTrue("Number of fragments not 3", fragments.size() == 3);
rewrite.remove((ASTNode) fragments.get(0), null);
rewrite.remove((ASTNode) fragments.get(1), null);
VariableDeclarationFragment frag= ast.newVariableDeclarationFragment();
frag.setName(ast.newSimpleName("k2"));
frag.setInitializer(null);
rewrite.replace((ASTNode) fragments.get(2), frag, null);
}
{ // remove modifiers
VariableDeclarationStatement decl= (VariableDeclarationStatement) statements.get(2);
// add modifiers
int newModifiers= 0;
rewrite.set(decl, VariableDeclarationStatement.MODIFIERS_PROPERTY, new Integer(newModifiers), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class A {\n");
buf.append(" public void foo() {\n");
buf.append(" final boolean i1= 1, k1;\n");
buf.append(" final int k2;\n");
buf.append(" int i3= 1, k3= 2, n3= 3;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testWhileStatement() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" while (i == j) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace expression and body
WhileStatement whileStatement= (WhileStatement) statements.get(0);
BooleanLiteral literal= ast.newBooleanLiteral(true);
rewrite.replace(whileStatement.getExpression(), literal, null);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(whileStatement.getBody(), newBody, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" while (true) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testWhileStatement1() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" while (true) {\n");
buf.append(" foo();\n");
buf.append(" }\n");
buf.append(" while (true)\n");
buf.append(" foo();\n");
buf.append(" while (true) {\n");
buf.append(" foo();\n");
buf.append(" }\n");
buf.append(" while (true)\n");
buf.append(" foo();\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
AST ast= astRoot.getAST();
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
assertTrue("Parse errors", (block.getFlags() & ASTNode.MALFORMED) == 0);
List statements= block.statements();
assertTrue("Number of statements not 4", statements.size() == 4);
{ // replace body block with statement
WhileStatement whileStatement= (WhileStatement) statements.get(0);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(whileStatement.getBody(), newTry, null);
}
{ // replace body statement with block
WhileStatement whileStatement= (WhileStatement) statements.get(1);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(whileStatement.getBody(), newBody, null);
}
{ // replace body block with block
WhileStatement whileStatement= (WhileStatement) statements.get(2);
Block newBody= ast.newBlock();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("hoo"));
invocation.arguments().add(ast.newNumberLiteral("11"));
newBody.statements().add(ast.newExpressionStatement(invocation));
rewrite.replace(whileStatement.getBody(), newBody, null);
}
{ // replace body statement with body
WhileStatement whileStatement= (WhileStatement) statements.get(3);
TryStatement newTry= ast.newTryStatement();
newTry.getBody().statements().add(ast.newReturnStatement());
CatchClause newCatchClause= ast.newCatchClause();
SingleVariableDeclaration varDecl= ast.newSingleVariableDeclaration();
varDecl.setType(ast.newSimpleType(ast.newSimpleName("Exception")));
varDecl.setName(ast.newSimpleName("e"));
newCatchClause.setException(varDecl);
newTry.catchClauses().add(newCatchClause);
rewrite.replace(whileStatement.getBody(), newTry, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" while (true)\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" while (true) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" while (true) {\n");
buf.append(" hoo(11);\n");
buf.append(" }\n");
buf.append(" while (true)\n");
buf.append(" try {\n");
buf.append(" return;\n");
buf.append(" } catch (Exception e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testInsertCode() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" while (i == j) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace while statement with comment, insert new statement
WhileStatement whileStatement= (WhileStatement) statements.get(0);
String comment= "//hello";
ASTNode placeHolder= rewrite.createStringPlaceholder(comment, ASTNode.RETURN_STATEMENT);
rewrite.replace(whileStatement, placeHolder, null);
StringBuffer buf1= new StringBuffer();
buf1.append("if (i == 3) {\n");
buf1.append(" System.beep();\n");
buf1.append("}");
ASTNode placeHolder2= rewrite.createStringPlaceholder(buf1.toString(), ASTNode.IF_STATEMENT);
rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY).insertLast(placeHolder2, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" //hello\n");
buf.append(" if (i == 3) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testInsertComment() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" while (i == j) {\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
// Get while statement block
TypeDeclaration typeDecl = (TypeDeclaration) astRoot.types().get(0);
MethodDeclaration methodDecl= typeDecl.getMethods()[0];
Block block= methodDecl.getBody();
List statements= block.statements();
WhileStatement whileStatement= (WhileStatement) statements.get(0);
Statement whileBlock= whileStatement.getBody();
// replace while statement with comment, insert new statement
StringBuffer comment = new StringBuffer();
comment.append("/*\n");
comment.append(" * Here's the block comment I want to insert :-)\n");
comment.append(" */");
ASTNode placeHolder= rewrite.createStringPlaceholder(comment.toString(), ASTNode.RETURN_STATEMENT);
ListRewrite list = rewrite.getListRewrite(whileBlock, Block.STATEMENTS_PROPERTY);
list.insertFirst(placeHolder, null);
// Get new code
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" while (i == j) {\n");
buf.append(" /*\n");
buf.append(" * Here's the block comment I want to insert :-)\n");
buf.append(" */\n");
buf.append(" System.beep();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
}