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/*******************************************************************************
* Copyright (c) 2000, 2014 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 org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.dom.*;
import org.eclipse.jdt.core.JavaCore;
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 ASTRewritingExpressionsTest extends ASTRewritingTest {
private static final Class THIS= ASTRewritingExpressionsTest.class;
public ASTRewritingExpressionsTest(String name) {
super(name);
}
public ASTRewritingExpressionsTest(String name, int apiLevel) {
super(name, apiLevel);
}
public static Test allTests() {
return new Suite(THIS);
}
public static Test suite() {
return createSuite(ASTRewritingExpressionsTest.class);
}
public void testArrayAccess() 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(" int[] o= new int[] { 1, 2, 3 };\n");
buf.append(" public void foo() {\n");
buf.append(" o[3 /* comment*/ - 1]= this.o[3 - 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 1", statements.size() == 1);
{ // replace left hand side index, replace right hand side index by left side index
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
ArrayAccess left= (ArrayAccess) assignment.getLeftHandSide();
ArrayAccess right= (ArrayAccess) assignment.getRightHandSide();
NumberLiteral name= ast.newNumberLiteral("1");
rewrite.replace(left.getIndex(), name, null);
ASTNode placeHolder= rewrite.createCopyTarget(left.getIndex());
rewrite.replace(right.getIndex(), placeHolder, null);
SimpleName newName= ast.newSimpleName("o");
rewrite.replace(right.getArray(), newName, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" int[] o= new int[] { 1, 2, 3 };\n");
buf.append(" public void foo() {\n");
buf.append(" o[1]= o[3 /* comment*/ - 1];\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testArrayCreation() 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(" goo(new int[] { 1, 2, 3 },\n");
buf.append(" new int[] { 1, 2, 3 },\n");
buf.append(" new int[2][][],\n");
buf.append(" new int[2][][],\n");
buf.append(" new int[2][][],\n");
buf.append(" new int[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());
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);
ExpressionStatement statement= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) statement.getExpression();
List args= invocation.arguments();
assertTrue("Number of arguments not 6", args.size() == 6);
{ // replace the element type and increase the dimension
ArrayCreation arrayCreation= (ArrayCreation) args.get(0);
ArrayType arrayType= arrayCreation.getType();
PrimitiveType floatType= ast.newPrimitiveType(PrimitiveType.FLOAT);
ArrayType newArrayType= ast.newArrayType(floatType, 2);
rewrite.replace(arrayType, newArrayType, null);
}
{ // remove the initializer, add a dimension expression
ArrayCreation arrayCreation= (ArrayCreation) args.get(1);
rewrite.remove(arrayCreation.getInitializer(), null);
List dimensions= arrayCreation.dimensions();
assertTrue("Number of dimension expressions not 0", dimensions.size() == 0);
NumberLiteral literal= ast.newNumberLiteral("10");
rewrite.getListRewrite(arrayCreation, ArrayCreation.DIMENSIONS_PROPERTY).insertLast(literal, null);
}
{ // remove all dimension except one, no dimension expression
// insert the initializer: formatter problems
ArrayCreation arrayCreation= (ArrayCreation) args.get(2);
ArrayType arrayType= arrayCreation.getType();
PrimitiveType intType= ast.newPrimitiveType(PrimitiveType.INT);
ArrayType newArrayType= ast.newArrayType(intType, 1);
rewrite.replace(arrayType, newArrayType, null);
List dimensions= arrayCreation.dimensions();
assertTrue("Number of dimension expressions not 1", dimensions.size() == 1);
rewrite.remove((ASTNode) dimensions.get(0), null);
ArrayInitializer initializer= ast.newArrayInitializer();
List expressions= initializer.expressions();
expressions.add(ast.newNumberLiteral("10"));
}
{ // add 2 dimension expressions
ArrayCreation arrayCreation= (ArrayCreation) args.get(3);
List dimensions= arrayCreation.dimensions();
assertTrue("Number of dimension expressions not 1", dimensions.size() == 1);
NumberLiteral literal1= ast.newNumberLiteral("10");
rewrite.getListRewrite(arrayCreation, ArrayCreation.DIMENSIONS_PROPERTY).insertLast(literal1, null);
NumberLiteral literal2= ast.newNumberLiteral("11");
rewrite.getListRewrite(arrayCreation, ArrayCreation.DIMENSIONS_PROPERTY).insertLast(literal2, null);
}
{ // add 2 empty dimensions
ArrayCreation arrayCreation= (ArrayCreation) args.get(4);
ArrayType arrayType= arrayCreation.getType();
assertTrue("Number of dimension not 3", arrayType.getDimensions() == 3);
PrimitiveType intType= ast.newPrimitiveType(PrimitiveType.INT);
ArrayType newArrayType= ast.newArrayType(intType, 5);
rewrite.replace(arrayType, newArrayType, null);
}
{ // replace dimension expression, add a dimension expression
ArrayCreation arrayCreation= (ArrayCreation) args.get(5);
List dimensions= arrayCreation.dimensions();
assertTrue("Number of dimension expressions not 1", dimensions.size() == 1);
NumberLiteral literal1= ast.newNumberLiteral("10");
rewrite.replace((ASTNode) dimensions.get(0), literal1, null);
NumberLiteral literal2= ast.newNumberLiteral("11");
rewrite.getListRewrite(arrayCreation, ArrayCreation.DIMENSIONS_PROPERTY).insertLast(literal2, null);
}
{ // add a new ArrayCreation
ArrayCreation arrayCreation= ast.newArrayCreation();
arrayCreation.setType(ast.newArrayType(ast.newSimpleType(ast.newSimpleName("Object")), 3));
arrayCreation.dimensions().add(ast.newNumberLiteral("1"));
arrayCreation.dimensions().add(ast.newNumberLiteral("2"));
rewrite.getListRewrite(invocation, MethodInvocation.ARGUMENTS_PROPERTY).insertLast(arrayCreation, 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(" goo(new float[][] { 1, 2, 3 },\n");
buf.append(" new int[10],\n");
buf.append(" new int[],\n");
buf.append(" new int[2][10][11],\n");
buf.append(" new int[2][][][][],\n");
buf.append(" new int[10][11][], new Object[1][2][]);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testArrayCreation2_since_8() 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(" goo();\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);
ExpressionStatement statement= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) statement.getExpression();
{ // add a new ArrayCreation with annotations
ArrayCreation arrayCreation= ast.newArrayCreation();
SimpleType elementType= ast.newSimpleType(ast.newName("java.lang.String"));
ArrayType arrayType= ast.newArrayType(elementType);
NormalAnnotation annotationC= ast.newNormalAnnotation();
annotationC.setTypeName(ast.newSimpleName("C"));
MemberValuePair memberValuePair= ast.newMemberValuePair();
memberValuePair.setName(ast.newSimpleName("v"));
memberValuePair.setValue(ast.newNumberLiteral("99"));
annotationC.values().add(memberValuePair);
Dimension dim0 = (Dimension) arrayType.dimensions().get(0);
dim0.annotations().add(annotationC);
SingleMemberAnnotation annotationB= ast.newSingleMemberAnnotation();
annotationB.setTypeName(ast.newSimpleName("B"));
annotationB.setValue(ast.newNumberLiteral("0"));
Dimension dim1 = ast.newDimension();
dim1.annotations().add(annotationB);
arrayType.dimensions().add(0, dim1);
MarkerAnnotation annotationA= ast.newMarkerAnnotation();
annotationA.setTypeName(ast.newSimpleName("A"));
Dimension dim2 = ast.newDimension();
dim2.annotations().add(annotationA);
arrayType.dimensions().add(0, dim2);
arrayCreation.dimensions().add(ast.newNumberLiteral("1"));
arrayCreation.dimensions().add(ast.newNumberLiteral("2"));
arrayCreation.setType(arrayType);
rewrite.getListRewrite(invocation, MethodInvocation.ARGUMENTS_PROPERTY).insertLast(arrayCreation, 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(" goo(new java.lang.String @A [1] @B(0) [2] @C(v = 99) []);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testArrayInitializer() 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(" goo(new int[] { 1, 2, 3 },\n");
buf.append(" new int[] { 1, 2, 3 },\n");
buf.append(" new int[] { 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 1", statements.size() == 1);
ExpressionStatement statement= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) statement.getExpression();
List args= invocation.arguments();
{ // remove first and last initializer expression
ArrayCreation arrayCreation= (ArrayCreation) args.get(0);
ArrayInitializer initializer= arrayCreation.getInitializer();
List expressions= initializer.expressions();
assertTrue("Number of initializer expressions not 3", expressions.size() == 3);
rewrite.remove((ASTNode) expressions.get(0), null);
rewrite.remove((ASTNode) expressions.get(2), null);
}
{ // insert at second and last position
ArrayCreation arrayCreation= (ArrayCreation) args.get(1);
ArrayInitializer initializer= arrayCreation.getInitializer();
List expressions= initializer.expressions();
assertTrue("Number of initializer expressions not 3", expressions.size() == 3);
NumberLiteral literal1= ast.newNumberLiteral("10");
rewrite.getListRewrite(initializer, ArrayInitializer.EXPRESSIONS_PROPERTY).insertAfter(literal1, (ASTNode) expressions.get(0), null);
NumberLiteral literal2= ast.newNumberLiteral("11");
rewrite.getListRewrite(initializer, ArrayInitializer.EXPRESSIONS_PROPERTY).insertLast(literal2, null);
}
{ // replace first and last initializer expression
ArrayCreation arrayCreation= (ArrayCreation) args.get(2);
ArrayInitializer initializer= arrayCreation.getInitializer();
List expressions= initializer.expressions();
assertTrue("Number of initializer expressions not 3", expressions.size() == 3);
NumberLiteral literal1= ast.newNumberLiteral("10");
NumberLiteral literal2= ast.newNumberLiteral("11");
rewrite.replace((ASTNode) expressions.get(0), literal1, null);
rewrite.replace((ASTNode) expressions.get(2), literal2, 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(" goo(new int[] { 2 },\n");
buf.append(" new int[] { 1, 10, 2, 3, 11 },\n");
buf.append(" new int[] { 10, 2, 11 });\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testArrayInitializer2() 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(" goo(new int[] { 1, 2, 3, },\n");
buf.append(" new int[] { 1, 2, 3, },\n");
buf.append(" new int[] { 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 1", statements.size() == 1);
ExpressionStatement statement= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) statement.getExpression();
List args= invocation.arguments();
{ // remove first and last initializer expression
ArrayCreation arrayCreation= (ArrayCreation) args.get(0);
ArrayInitializer initializer= arrayCreation.getInitializer();
List expressions= initializer.expressions();
assertTrue("Number of initializer expressions not 3", expressions.size() == 3);
rewrite.remove((ASTNode) expressions.get(0), null);
rewrite.remove((ASTNode) expressions.get(2), null);
}
{ // insert at second and last position
ArrayCreation arrayCreation= (ArrayCreation) args.get(1);
ArrayInitializer initializer= arrayCreation.getInitializer();
List expressions= initializer.expressions();
assertTrue("Number of initializer expressions not 3", expressions.size() == 3);
NumberLiteral literal2= ast.newNumberLiteral("11");
rewrite.getListRewrite(initializer, ArrayInitializer.EXPRESSIONS_PROPERTY).insertLast(literal2, null);
}
{ // replace first and last initializer expression
ArrayCreation arrayCreation= (ArrayCreation) args.get(2);
ArrayInitializer initializer= arrayCreation.getInitializer();
List expressions= initializer.expressions();
assertTrue("Number of initializer expressions not 3", expressions.size() == 3);
NumberLiteral literal1= ast.newNumberLiteral("10");
NumberLiteral literal2= ast.newNumberLiteral("11");
rewrite.replace((ASTNode) expressions.get(0), literal1, null);
rewrite.replace((ASTNode) expressions.get(2), literal2, 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(" goo(new int[] { 2, },\n");
buf.append(" new int[] { 1, 2, 3, 11, },\n");
buf.append(" new int[] { 10, 2, 11 });\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testAssignment() 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(" int i, j;\n");
buf.append(" i= 0;\n");
buf.append(" i-= j= 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);
{ // change left side & right side
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
Assignment assignment= (Assignment) stmt.getExpression();
SimpleName name= ast.newSimpleName("j");
rewrite.replace(assignment.getLeftHandSide(), name, null);
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("goo"));
invocation.setExpression(ast.newSimpleName("other"));
rewrite.replace(assignment.getRightHandSide(), invocation, null);
}
{ // change operator and operator of inner
ExpressionStatement stmt= (ExpressionStatement) statements.get(2);
Assignment assignment= (Assignment) stmt.getExpression();
rewrite.set(assignment, Assignment.OPERATOR_PROPERTY, Assignment.Operator.DIVIDE_ASSIGN, null);
Assignment inner= (Assignment) assignment.getRightHandSide();
rewrite.set(inner, Assignment.OPERATOR_PROPERTY, Assignment.Operator.RIGHT_SHIFT_UNSIGNED_ASSIGN, 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(" int i, j;\n");
buf.append(" j= other.goo();\n");
buf.append(" i/= j>>>= 3;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testCastExpression() 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(" x= (E) clone();\n");
buf.append(" z= y.toList();\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);
{ // change cast type and cast expression
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
CastExpression expression= (CastExpression) assignment.getRightHandSide();
SimpleType newType= ast.newSimpleType(ast.newSimpleName("SuperE"));
rewrite.replace(expression.getType(), newType, null);
SimpleName newExpression= ast.newSimpleName("a");
rewrite.replace(expression.getExpression(), newExpression, null);
}
{ // create cast
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
Assignment assignment= (Assignment) stmt.getExpression();
Expression rightHand= assignment.getRightHandSide();
Expression placeholder= (Expression) rewrite.createCopyTarget(rightHand);
CastExpression newCastExpression= ast.newCastExpression();
newCastExpression.setType(ast.newSimpleType(ast.newSimpleName("List")));
newCastExpression.setExpression(placeholder);
rewrite.replace(rightHand, newCastExpression, 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= (SuperE) a;\n");
buf.append(" z= (List) y.toList();\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testCastExpression_bug28824() 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(" z= foo().y.toList();\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);
{ // create cast
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
Expression rightHand= assignment.getRightHandSide();
String rightHandString= cu.getBuffer().getText(rightHand.getStartPosition(), rightHand.getLength());
assertEqualString(rightHandString, "foo().y.toList()");
Expression placeholder= (Expression) rewrite.createCopyTarget(rightHand);
CastExpression newCastExpression= ast.newCastExpression();
newCastExpression.setType(ast.newSimpleType(ast.newSimpleName("List")));
newCastExpression.setExpression(placeholder);
rewrite.replace(rightHand, newCastExpression, 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(" z= (List) foo().y.toList();\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testCatchClause() 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(" try {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" } catch (CoreException 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 statements= block.statements();
assertTrue("Number of statements not 3", statements.size() == 1);
List catchClauses= ((TryStatement) statements.get(0)).catchClauses();
assertTrue("Number of catchClauses not 2", catchClauses.size() == 2);
{ // change exception type
CatchClause clause= (CatchClause) catchClauses.get(0);
SingleVariableDeclaration exception= clause.getException();
SingleVariableDeclaration newException= ast.newSingleVariableDeclaration();
newException.setType(ast.newSimpleType(ast.newSimpleName("NullPointerException")));
newException.setName(ast.newSimpleName("ex"));
rewrite.replace(exception, newException, null);
}
{ // change body
CatchClause clause= (CatchClause) catchClauses.get(1);
Block body= clause.getBody();
Block newBody= ast.newBlock();
ReturnStatement returnStatement= ast.newReturnStatement();
newBody.statements().add(returnStatement);
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(" try {\n");
buf.append(" } catch (NullPointerException ex) {\n");
buf.append(" } catch (CoreException e) {\n");
buf.append(" return;\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testClassInstanceCreation_only_2() 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(" goo().new Inner();\n");
buf.append(" new Runnable(\"Hello\") {\n");
buf.append(" public void run() {\n");
buf.append(" }\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);
{ // remove expression, change type name, add argument, add anonym decl
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
ClassInstanceCreation creation= (ClassInstanceCreation) stmt.getExpression();
rewrite.remove(creation.getExpression(), null);
SimpleName newName= ast.newSimpleName("NewInner");
rewrite.replace(creation.getName(), newName, null);
StringLiteral stringLiteral1= ast.newStringLiteral();
stringLiteral1.setLiteralValue("Hello");
rewrite.getListRewrite(creation, ClassInstanceCreation.ARGUMENTS_PROPERTY).insertLast(stringLiteral1, null);
StringLiteral stringLiteral2= ast.newStringLiteral();
stringLiteral2.setLiteralValue("World");
rewrite.getListRewrite(creation, ClassInstanceCreation.ARGUMENTS_PROPERTY).insertLast(stringLiteral2, null);
assertTrue("Has anonym class decl", creation.getAnonymousClassDeclaration() == null);
AnonymousClassDeclaration anonymDecl= ast.newAnonymousClassDeclaration();
MethodDeclaration anonymMethDecl= createNewMethod(ast, "newMethod", false);
anonymDecl.bodyDeclarations().add(anonymMethDecl);
rewrite.set(creation, ClassInstanceCreation.ANONYMOUS_CLASS_DECLARATION_PROPERTY, anonymDecl, null);
}
{ // add expression, remove argument, remove anonym decl
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
ClassInstanceCreation creation= (ClassInstanceCreation) stmt.getExpression();
assertTrue("Has expression", creation.getExpression() == null);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(creation, ClassInstanceCreation.EXPRESSION_PROPERTY, newExpression, null);
List arguments= creation.arguments();
assertTrue("Must have 1 argument", arguments.size() == 1);
rewrite.remove((ASTNode) arguments.get(0), null);
rewrite.remove(creation.getAnonymousClassDeclaration(), 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(" new NewInner(\"Hello\", \"World\") {\n");
buf.append(" private void newMethod(String str) {\n");
buf.append(" }\n");
buf.append(" };\n");
buf.append(" x.new Runnable();\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testClassInstanceCreation2_since_3() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E<A> {\n");
buf.append(" public void foo() {\n");
buf.append(" new Inner();\n");
buf.append(" new <A>Inner();\n");
buf.append(" new<A>Inner();\n");
buf.append(" new <A, A>Inner();\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() == 4);
{ // add type argument
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
ClassInstanceCreation creation= (ClassInstanceCreation) stmt.getExpression();
Type newTypeArg= ast.newSimpleType(ast.newSimpleName("A"));
ListRewrite listRewrite= rewrite.getListRewrite(creation, ClassInstanceCreation.TYPE_ARGUMENTS_PROPERTY);
listRewrite.insertFirst(newTypeArg, null);
}
{ // remove type argument
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
ClassInstanceCreation creation= (ClassInstanceCreation) stmt.getExpression();
List typeArgs= creation.typeArguments();
rewrite.remove((ASTNode) typeArgs.get(0), null);
}
{ // remove type argument
ExpressionStatement stmt= (ExpressionStatement) statements.get(2);
ClassInstanceCreation creation= (ClassInstanceCreation) stmt.getExpression();
List typeArgs= creation.typeArguments();
rewrite.remove((ASTNode) typeArgs.get(0), null);
}
{ // add type argument to existing
ExpressionStatement stmt= (ExpressionStatement) statements.get(3);
ClassInstanceCreation creation= (ClassInstanceCreation) stmt.getExpression();
Type newTypeArg= ast.newSimpleType(ast.newSimpleName("String"));
ListRewrite listRewrite= rewrite.getListRewrite(creation, ClassInstanceCreation.TYPE_ARGUMENTS_PROPERTY);
listRewrite.insertLast(newTypeArg, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E<A> {\n");
buf.append(" public void foo() {\n");
buf.append(" new <A> Inner();\n");
buf.append(" new Inner();\n");
buf.append(" new Inner();\n");
buf.append(" new <A, A, String>Inner();\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testConditionalExpression() 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= (k == 0) ? 1 : 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());
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);
{ // change compare expression, then expression & else expression
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
ConditionalExpression condExpression= (ConditionalExpression) assignment.getRightHandSide();
BooleanLiteral literal= ast.newBooleanLiteral(true);
rewrite.replace(condExpression.getExpression(), literal, null);
SimpleName newThenExpre= ast.newSimpleName("x");
rewrite.replace(condExpression.getThenExpression(), newThenExpre, null);
InfixExpression infixExpression= ast.newInfixExpression();
infixExpression.setLeftOperand(ast.newNumberLiteral("1"));
infixExpression.setRightOperand(ast.newNumberLiteral("2"));
infixExpression.setOperator(InfixExpression.Operator.PLUS);
rewrite.replace(condExpression.getElseExpression(), infixExpression, 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(" i= true ? x : 1 + 2;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testFieldAccess() 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(" foo().i= goo().i;\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 field expression, replace field name
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
FieldAccess leftFieldAccess= (FieldAccess) assignment.getLeftHandSide();
FieldAccess rightFieldAccess= (FieldAccess) assignment.getRightHandSide();
MethodInvocation invocation= ast.newMethodInvocation();
invocation.setName(ast.newSimpleName("xoo"));
rewrite.replace(leftFieldAccess.getExpression(), invocation, null);
SimpleName newName= ast.newSimpleName("x");
rewrite.replace(leftFieldAccess.getName(), newName, null);
SimpleName rightHand= ast.newSimpleName("b");
rewrite.replace(rightFieldAccess.getExpression(), rightHand, 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(" xoo().x= b.i;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testInfixExpression() 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= 1 + 2;\n");
buf.append(" j= 1 + 2 + 3 + 4 + 5;\n");
buf.append(" k= 1 + 2 + 3 + 4 + 5;\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);
{ // change left side & right side & operand
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
SimpleName leftOp= ast.newSimpleName("k");
rewrite.replace(expr.getLeftOperand(), leftOp, null);
SimpleName rightOp= ast.newSimpleName("j");
rewrite.replace(expr.getRightOperand(), rightOp, null);
// change operand
rewrite.set(expr, InfixExpression.OPERATOR_PROPERTY, InfixExpression.Operator.MINUS, null);
}
{ // remove an ext. operand, add one and replace one
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
List extendedOperands= expr.extendedOperands();
assertTrue("Number of extendedOperands not 3", extendedOperands.size() == 3);
rewrite.remove((ASTNode) extendedOperands.get(0), null);
SimpleName newOp1= ast.newSimpleName("k");
rewrite.replace((ASTNode) extendedOperands.get(1), newOp1, null);
SimpleName newOp2= ast.newSimpleName("n");
rewrite.getListRewrite(expr, InfixExpression.EXTENDED_OPERANDS_PROPERTY).insertLast(newOp2, null);
}
{ // change operand
ExpressionStatement stmt= (ExpressionStatement) statements.get(2);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
rewrite.set(expr, InfixExpression.OPERATOR_PROPERTY, InfixExpression.Operator.TIMES, 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(" i= k - j;\n");
buf.append(" j= 1 + 2 + k + 5 + n;\n");
buf.append(" k= 1 * 2 * 3 * 4 * 5;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testInfixExpression2() 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 + 2;\n");
buf.append(" j= 1 + 0;\n");
buf.append(" k= 0 + 2 + 3 + 4 + 5;\n");
buf.append(" l= 1 + 0 + 3 + 4 + 5;\n");
buf.append(" m= 0 + 0 + 0 + 4 + 5;\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();
{ // remove left side
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
rewrite.remove(expr.getLeftOperand(), null);
}
{ // remove right side
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
rewrite.remove(expr.getRightOperand(), null);
}
{ // remove left side (with extended operands)
ExpressionStatement stmt= (ExpressionStatement) statements.get(2);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
rewrite.remove(expr.getLeftOperand(), null);
}
{ // remove right side (with extended operands)
ExpressionStatement stmt= (ExpressionStatement) statements.get(3);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
rewrite.remove(expr.getRightOperand(), null);
}
{ // remove left, right, and extended operand
ExpressionStatement stmt= (ExpressionStatement) statements.get(4);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression expr= (InfixExpression) assignment.getRightHandSide();
rewrite.remove(expr.getLeftOperand(), null);
rewrite.remove(expr.getRightOperand(), null);
rewrite.remove((ASTNode) expr.extendedOperands().get(0), 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(" i= 2;\n");
buf.append(" j= 1;\n");
buf.append(" k= 2 + 3 + 4 + 5;\n");
buf.append(" l= 1 + 3 + 4 + 5;\n");
buf.append(" m= 4 + 5;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testInstanceofExpression() 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(" goo(k instanceof Vector);\n");
buf.append(" goo(k()instanceof Vector);\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);
{ // change left side & right side
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
List arguments= invocation.arguments();
InstanceofExpression expr= (InstanceofExpression) arguments.get(0);
SimpleName name= ast.newSimpleName("x");
rewrite.replace(expr.getLeftOperand(), name, null);
Type newCastType= ast.newSimpleType(ast.newSimpleName("List"));
rewrite.replace(expr.getRightOperand(), newCastType, null);
}
{ // change left side
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
List arguments= invocation.arguments();
InstanceofExpression expr= (InstanceofExpression) arguments.get(0);
SimpleName name= ast.newSimpleName("x");
rewrite.replace(expr.getLeftOperand(), name, 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(" goo(x instanceof List);\n");
buf.append(" goo(x instanceof Vector);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testMethodInvocation() 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(" foo(1, 2).goo();\n");
buf.append(" foo(1, 2).goo();\n");
buf.append(" foo(1, 2).goo();\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);
{ // remove expression, add param, change name
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
rewrite.remove(invocation.getExpression(), null);
SimpleName name= ast.newSimpleName("x");
rewrite.replace(invocation.getName(), name, null);
ASTNode arg= ast.newNumberLiteral("1");
rewrite.getListRewrite(invocation, MethodInvocation.ARGUMENTS_PROPERTY).insertLast(arg, null);
}
{ // insert expression, delete params
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
MethodInvocation leftInvocation= (MethodInvocation) invocation.getExpression();
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(leftInvocation, MethodInvocation.EXPRESSION_PROPERTY, newExpression, null);
List args= leftInvocation.arguments();
rewrite.remove((ASTNode) args.get(0), null);
rewrite.remove((ASTNode) args.get(1), null);
}
{ // remove expression, add it as parameter
ExpressionStatement stmt= (ExpressionStatement) statements.get(2);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
ASTNode placeHolder= rewrite.createCopyTarget(invocation.getExpression());
rewrite.set(invocation, MethodInvocation.EXPRESSION_PROPERTY, null, null);
rewrite.getListRewrite(invocation, MethodInvocation.ARGUMENTS_PROPERTY).insertLast(placeHolder, 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(1);\n");
buf.append(" x.foo().goo();\n");
buf.append(" goo(foo(1, 2));\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void _testMethodParamsRenameReorder() 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 m(boolean y, int a) {\n");
buf.append(" m(y, a);\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, "m");
Block block= methodDecl.getBody();
List statements= block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{
//params
List params= methodDecl.parameters();
SingleVariableDeclaration firstParam= (SingleVariableDeclaration) params.get(0);
SingleVariableDeclaration secondParam= (SingleVariableDeclaration) params.get(1);
//args
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
List arguments= invocation.arguments();
SimpleName first= (SimpleName) arguments.get(0);
SimpleName second= (SimpleName) arguments.get(1);
//rename args
SimpleName newFirstArg= methodDecl.getAST().newSimpleName("yyy");
SimpleName newSecondArg= methodDecl.getAST().newSimpleName("bb");
rewrite.replace(first, newFirstArg, null);
rewrite.replace(second, newSecondArg, null);
//rename params
SimpleName newFirstName= methodDecl.getAST().newSimpleName("yyy");
SimpleName newSecondName= methodDecl.getAST().newSimpleName("bb");
rewrite.replace(firstParam.getName(), newFirstName, null);
rewrite.replace(secondParam.getName(), newSecondName, null);
//reoder params
ASTNode paramplaceholder1= rewrite.createCopyTarget(firstParam);
ASTNode paramplaceholder2= rewrite.createCopyTarget(secondParam);
rewrite.replace(firstParam, paramplaceholder2, null);
rewrite.replace(secondParam, paramplaceholder1, null);
//reorder args
ASTNode placeholder1= rewrite.createCopyTarget(first);
ASTNode placeholder2= rewrite.createCopyTarget(second);
rewrite.replace(first, placeholder2, null);
rewrite.replace(second, placeholder1, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void m(int bb, boolean yyy) {\n");
buf.append(" m(bb, yyy);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testMethodInvocation1() 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(" foo(foo(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());
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);
{ // remove expression, add param, change name
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
List arguments= invocation.arguments();
MethodInvocation first= (MethodInvocation) arguments.get(0);
ASTNode second= (ASTNode) arguments.get(1);
ASTNode placeholder1= rewrite.createCopyTarget(first);
ASTNode placeholder2= rewrite.createCopyTarget(second);
rewrite.replace(first, placeholder2, null);
rewrite.replace(second, placeholder1, null);
List innerArguments= first.arguments();
ASTNode innerFirst= (ASTNode) innerArguments.get(0);
ASTNode innerSecond= (ASTNode) innerArguments.get(1);
ASTNode innerPlaceholder1= rewrite.createCopyTarget(innerFirst);
ASTNode innerPlaceholder2= rewrite.createCopyTarget(innerSecond);
rewrite.replace(innerFirst, innerPlaceholder2, null);
rewrite.replace(innerSecond, innerPlaceholder1, 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(" foo(3, foo(2, 1));\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testMethodInvocation2_since_3() 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(" this.foo(3);\n");
buf.append(" this.<String>foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
AST ast= astRoot.getAST();
ASTRewrite rewrite= ASTRewrite.create(ast);
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);
{ // add type arguments
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
SimpleType newType= ast.newSimpleType(ast.newSimpleName("String"));
ListRewrite listRewriter= rewrite.getListRewrite(invocation, MethodInvocation.TYPE_ARGUMENTS_PROPERTY);
listRewriter.insertFirst(newType, null);
}
{ // remove type arguments
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
MethodInvocation invocation= (MethodInvocation) stmt.getExpression();
rewrite.remove((ASTNode) invocation.typeArguments().get(0), 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(" this.<String>foo(3);\n");
buf.append(" this.foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testParenthesizedExpression() throws Exception {
//System.out.println(getClass().getName()+"::" + getName() +" disabled (bug 23362)");
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= (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 1", statements.size() == 1);
{ // replace expression
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
InfixExpression multiplication= (InfixExpression) assignment.getRightHandSide();
ParenthesizedExpression parenthesizedExpression= (ParenthesizedExpression) multiplication.getLeftOperand();
SimpleName name= ast.newSimpleName("x");
rewrite.replace(parenthesizedExpression.getExpression(), name, 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(" i= (x) * 3;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testPrefixExpression() 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= --x;\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);
{ // modify operand and operation
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
PrefixExpression preExpression= (PrefixExpression) assignment.getRightHandSide();
NumberLiteral newOperation= ast.newNumberLiteral("10");
rewrite.replace(preExpression.getOperand(), newOperation, null);
rewrite.set(preExpression, PrefixExpression.OPERATOR_PROPERTY, PrefixExpression.Operator.COMPLEMENT, 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(" i= ~10;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testPostfixExpression() 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= x--;\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);
{ // modify operand and operation
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
PostfixExpression postExpression= (PostfixExpression) assignment.getRightHandSide();
NumberLiteral newOperation= ast.newNumberLiteral("10");
rewrite.replace(postExpression.getOperand(), newOperation, null);
rewrite.set(postExpression, PostfixExpression.OPERATOR_PROPERTY, PostfixExpression.Operator.INCREMENT, 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(" i= 10++;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSuperConstructorInvocation() 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() {\n");
buf.append(" super();\n");
buf.append(" }\n");
buf.append(" public E(int i) {\n");
buf.append(" foo(i + i).super(i);\n");
buf.append(" }\n");
buf.append(" public E(int i, int k) {\n");
buf.append(" Outer.super(foo(goo(x)), 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");
List bodyDeclarations= type.bodyDeclarations();
assertTrue("Number of bodyDeclarations not 3", bodyDeclarations.size() == 3);
{ // add expresssion & parameter
MethodDeclaration methodDecl= (MethodDeclaration) bodyDeclarations.get(0);
SuperConstructorInvocation invocation= (SuperConstructorInvocation) methodDecl.getBody().statements().get(0);
SimpleName newExpression= ast.newSimpleName("x");
rewrite.set(invocation, SuperConstructorInvocation.EXPRESSION_PROPERTY, newExpression, null);
ASTNode arg= ast.newNumberLiteral("1");
rewrite.getListRewrite(invocation, SuperConstructorInvocation.ARGUMENTS_PROPERTY).insertLast(arg, null);
}
{ // remove expression, replace argument with argument of expression
MethodDeclaration methodDecl= (MethodDeclaration) bodyDeclarations.get(1);
SuperConstructorInvocation invocation= (SuperConstructorInvocation) methodDecl.getBody().statements().get(0);
MethodInvocation expression= (MethodInvocation) invocation.getExpression();
rewrite.remove(expression, null);
ASTNode placeHolder= rewrite.createCopyTarget((ASTNode) expression.arguments().get(0));
ASTNode arg1= (ASTNode) invocation.arguments().get(0);
rewrite.replace(arg1, placeHolder, null);
}
{ // remove argument, replace expression with part of argument
MethodDeclaration methodDecl= (MethodDeclaration) bodyDeclarations.get(2);
SuperConstructorInvocation invocation= (SuperConstructorInvocation) methodDecl.getBody().statements().get(0);
MethodInvocation arg1= (MethodInvocation) invocation.arguments().get(0);
rewrite.remove(arg1, null);
ASTNode placeHolder= rewrite.createCopyTarget((ASTNode) arg1.arguments().get(0));
rewrite.replace(invocation.getExpression(), placeHolder, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public E() {\n");
buf.append(" x.super(1);\n");
buf.append(" }\n");
buf.append(" public E(int i) {\n");
buf.append(" super(i + i);\n");
buf.append(" }\n");
buf.append(" public E(int i, int k) {\n");
buf.append(" goo(x).super(1);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSuperConstructorInvocation2_since_3() 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() {\n");
buf.append(" x.super();\n");
buf.append(" }\n");
buf.append(" public E(int i) {\n");
buf.append(" x.<String>super(i);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
AST ast= astRoot.getAST();
ASTRewrite rewrite= ASTRewrite.create(ast);
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
assertTrue("Number of methods not 2", type.bodyDeclarations().size() == 2);
{ // add type arguments
MethodDeclaration methodDecl= (MethodDeclaration) type.bodyDeclarations().get(0);
SuperConstructorInvocation invocation= (SuperConstructorInvocation) methodDecl.getBody().statements().get(0);
SimpleType newType= ast.newSimpleType(ast.newSimpleName("String"));
ListRewrite listRewriter= rewrite.getListRewrite(invocation, SuperConstructorInvocation.TYPE_ARGUMENTS_PROPERTY);
listRewriter.insertFirst(newType, null);
}
{ // remove type arguments
MethodDeclaration methodDecl= (MethodDeclaration) type.bodyDeclarations().get(1);
SuperConstructorInvocation invocation= (SuperConstructorInvocation) methodDecl.getBody().statements().get(0);
rewrite.remove((ASTNode) invocation.typeArguments().get(0), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public E() {\n");
buf.append(" x.<String>super();\n");
buf.append(" }\n");
buf.append(" public E(int i) {\n");
buf.append(" x.super(i);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSuperConstructorInvocation4_since_3() 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() {\n");
buf.append(" x.super();\n");
buf.append(" }\n");
buf.append(" public E(int i) {\n");
buf.append(" x.<String>super(i);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
AST ast= astRoot.getAST();
ASTRewrite rewrite= ASTRewrite.create(ast);
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "E");
assertTrue("Number of methods not 2", type.bodyDeclarations().size() == 2);
{ // add type arguments
MethodDeclaration methodDecl= (MethodDeclaration) type.bodyDeclarations().get(0);
SuperConstructorInvocation invocation= (SuperConstructorInvocation) methodDecl.getBody().statements().get(0);
rewrite.remove(invocation.getExpression(), null);
SimpleType newType= ast.newSimpleType(ast.newSimpleName("String"));
ListRewrite listRewriter= rewrite.getListRewrite(invocation, SuperConstructorInvocation.TYPE_ARGUMENTS_PROPERTY);
listRewriter.insertFirst(newType, null);
}
{ // remove type arguments
MethodDeclaration methodDecl= (MethodDeclaration) type.bodyDeclarations().get(1);
SuperConstructorInvocation invocation= (SuperConstructorInvocation) methodDecl.getBody().statements().get(0);
rewrite.remove(invocation.getExpression(), null);
rewrite.remove((ASTNode) invocation.typeArguments().get(0), null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public E() {\n");
buf.append(" <String>super();\n");
buf.append(" }\n");
buf.append(" public E(int i) {\n");
buf.append(" super(i);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSuperFieldInvocation() 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(" super.x= Outer.super.y;\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);
{ // insert qualifier, replace field name, delete qualifier
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
SuperFieldAccess leftFieldAccess= (SuperFieldAccess) assignment.getLeftHandSide();
SuperFieldAccess rightFieldAccess= (SuperFieldAccess) assignment.getRightHandSide();
SimpleName newQualifier= ast.newSimpleName("X");
rewrite.set(leftFieldAccess, SuperFieldAccess.QUALIFIER_PROPERTY, newQualifier, null);
SimpleName newName= ast.newSimpleName("y");
rewrite.replace(leftFieldAccess.getName(), newName, null);
rewrite.remove(rightFieldAccess.getQualifier(), 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.super.y= super.y;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSuperMethodInvocation() 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(" super.foo();\n");
buf.append(" Outer.super.foo(i);\n");
buf.append(" Outer.super.foo(foo(X.goo()), 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 3", statements.size() == 3);
{ // add qualifier & parameter
ExpressionStatement statement= (ExpressionStatement) statements.get(0);
SuperMethodInvocation invocation= (SuperMethodInvocation) statement.getExpression();
SimpleName newExpression= ast.newSimpleName("X");
rewrite.set(invocation, SuperMethodInvocation.QUALIFIER_PROPERTY, newExpression, null);
ASTNode arg= ast.newNumberLiteral("1");
rewrite.getListRewrite(invocation, SuperMethodInvocation.ARGUMENTS_PROPERTY).insertLast(arg, null);
}
{ // remove qualifier, replace argument with argument of expression
ExpressionStatement statement= (ExpressionStatement) statements.get(1);
SuperMethodInvocation invocation= (SuperMethodInvocation) statement.getExpression();
Name qualifier= invocation.getQualifier();
rewrite.remove(qualifier, null);
Name placeHolder= (Name) rewrite.createCopyTarget(qualifier);
FieldAccess newFieldAccess= ast.newFieldAccess();
newFieldAccess.setExpression(placeHolder);
newFieldAccess.setName(ast.newSimpleName("count"));
ASTNode arg1= (ASTNode) invocation.arguments().get(0);
rewrite.replace(arg1, newFieldAccess, null);
}
{ // remove argument, replace qualifier with part argument qualifier
ExpressionStatement statement= (ExpressionStatement) statements.get(2);
SuperMethodInvocation invocation= (SuperMethodInvocation) statement.getExpression();
MethodInvocation arg1= (MethodInvocation) invocation.arguments().get(0);
rewrite.remove(arg1, null);
MethodInvocation innerArg= (MethodInvocation) arg1.arguments().get(0);
ASTNode placeHolder= rewrite.createCopyTarget(innerArg.getExpression());
rewrite.replace(invocation.getQualifier(), placeHolder, 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.super.foo(1);\n");
buf.append(" super.foo(Outer.count);\n");
buf.append(" X.super.foo(1);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSuperMethodInvocation2_since_3() 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(" X.super.foo(3);\n");
buf.append(" X.super.<String>foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
AST ast= astRoot.getAST();
ASTRewrite rewrite= ASTRewrite.create(ast);
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);
{ // add type arguments
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
SuperMethodInvocation invocation= (SuperMethodInvocation) stmt.getExpression();
SimpleType newType= ast.newSimpleType(ast.newSimpleName("String"));
ListRewrite listRewriter= rewrite.getListRewrite(invocation, SuperMethodInvocation.TYPE_ARGUMENTS_PROPERTY);
listRewriter.insertFirst(newType, null);
}
{ // remove type arguments
ExpressionStatement stmt= (ExpressionStatement) statements.get(1);
SuperMethodInvocation invocation= (SuperMethodInvocation) stmt.getExpression();
rewrite.remove((ASTNode) invocation.typeArguments().get(0), 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.super.<String>foo(3);\n");
buf.append(" X.super.foo(3);\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testThisExpression() 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 this;\n");
buf.append(" return Outer.this;\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);
{ // add qualifier
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
ThisExpression thisExpression= (ThisExpression) returnStatement.getExpression();
SimpleName newExpression= ast.newSimpleName("X");
rewrite.set(thisExpression, ThisExpression.QUALIFIER_PROPERTY, newExpression, null);
}
{ // remove qualifier
ReturnStatement returnStatement= (ReturnStatement) statements.get(1);
ThisExpression thisExpression= (ThisExpression) returnStatement.getExpression();
rewrite.remove(thisExpression.getQualifier(), 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.this;\n");
buf.append(" return this;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testTypeLiteral() 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 E.class;\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 type
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
TypeLiteral typeLiteral= (TypeLiteral) returnStatement.getExpression();
Type newType= ast.newPrimitiveType(PrimitiveType.VOID);
rewrite.replace(typeLiteral.getType(), newType, 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 void.class;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testSimpleName() 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 int foo(int hello) {\n");
buf.append(" return 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());
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 identifier
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
SimpleName simpleName= (SimpleName) returnStatement.getExpression();
rewrite.set(simpleName, SimpleName.IDENTIFIER_PROPERTY, "changed", null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public int foo(int hello) {\n");
buf.append(" return changed;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testNumberLiteral() 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 int foo() {\n");
buf.append(" return 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());
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 number
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
NumberLiteral literal= (NumberLiteral) returnStatement.getExpression();
rewrite.set(literal, NumberLiteral.TOKEN_PROPERTY, "11", null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public int foo() {\n");
buf.append(" return 11;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testBooleanLiteral() 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 boolean foo() {\n");
buf.append(" return 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());
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 number
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
BooleanLiteral literal= (BooleanLiteral) returnStatement.getExpression();
rewrite.set(literal, BooleanLiteral.BOOLEAN_VALUE_PROPERTY, Boolean.FALSE, null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public boolean foo() {\n");
buf.append(" return false;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testStringLiteral() 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 String foo() {\n");
buf.append(" return \"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());
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 number
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
StringLiteral literal= (StringLiteral) returnStatement.getExpression();
rewrite.set(literal, StringLiteral.ESCAPED_VALUE_PROPERTY, "\"Eclipse\"", null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public String foo() {\n");
buf.append(" return \"Eclipse\";\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testCharacterLiteral() 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 char foo() {\n");
buf.append(" return 'x';\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 number
ReturnStatement returnStatement= (ReturnStatement) statements.get(0);
CharacterLiteral literal= (CharacterLiteral) returnStatement.getExpression();
rewrite.set(literal, CharacterLiteral.ESCAPED_VALUE_PROPERTY, "'y'", null);
}
String preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public char foo() {\n");
buf.append(" return 'y';\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=404251
public void testBug404251() 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 a, int b, int c) {\n");
buf.append(" total = 0;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= createAST(cu);
AST ast = astRoot.getAST();
ASTRewrite rewrite= ASTRewrite.create(ast);
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();
{ // add infix expression with operand that is a prefix expression
ExpressionStatement stmt= (ExpressionStatement) statements.get(0);
Assignment assignment= (Assignment) stmt.getExpression();
PrefixExpression prefix = ast.newPrefixExpression();
prefix.setOperator(PrefixExpression.Operator.INCREMENT);
prefix.setOperand(ast.newSimpleName("c"));
InfixExpression infix= ast.newInfixExpression();
infix.setLeftOperand(ast.newSimpleName("a"));
infix.setRightOperand(ast.newSimpleName("b"));
infix.extendedOperands().add(prefix);
rewrite.set(assignment, Assignment.RIGHT_HAND_SIDE_PROPERTY, infix, 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 a, int b, int c) {\n");
buf.append(" total = a + b + ++c;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_BINARY_OPERATOR, JavaCore.DO_NOT_INSERT);
this.project1.setOption(DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_BINARY_OPERATOR, JavaCore.DO_NOT_INSERT);
preview= evaluateRewrite(cu, rewrite);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("public class E {\n");
buf.append(" public void foo(int a, int b, int c) {\n");
buf.append(" total = a+b+ ++c;\n");
buf.append(" }\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
public void testIntersectionCastExpression_since_8() throws Exception {
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);
String content =
"import java.io.Serializable;\n" +
"public class X {\n" +
" public Serializable main(Object obj) {\n" +
" Serializable o = ((@Marker1 @Marker2 Serializable & I) () -> {});\n" +
" Serializable oo = obj;\n" +
" Serializable ooo = (Serializable) obj;\n" +
" }\n" +
"}\n" +
"interface I {\n" +
" public void foo();\n" +
"}\n" +
"interface J {\n" +
" public void foo();\n" +
" public void bar();\n" +
"}\n" +
"interface K {\n" +
" public void foo();\n" +
" public void bar();\n" +
"}\n";
ICompilationUnit cu= pack1.createCompilationUnit("X.java", content, false, null);
CompilationUnit unit= createAST(cu);
ASTRewrite rewrite= ASTRewrite.create(unit.getAST());
AST ast= unit.getAST();
TypeDeclaration type = (TypeDeclaration) unit.types().get(0);
ASTNode node = (ASTNode) type.bodyDeclarations().get(0);
MethodDeclaration method = (MethodDeclaration) node;
VariableDeclarationStatement statement = (VariableDeclarationStatement) method.getBody().statements().get(0);
VariableDeclarationFragment fragment = (VariableDeclarationFragment) statement.fragments().get(0);
CastExpression cast = (CastExpression) ((ParenthesizedExpression)fragment.getInitializer()).getExpression();
Type castType = cast.getType();
assertEquals("Not an intersection cast type", ASTNode.INTERSECTION_TYPE, castType.getNodeType());
{
// Modify intersection cast types by adding new types and removing and adding annotations
ListRewrite listRewrite = rewrite.getListRewrite(castType, IntersectionType.TYPES_PROPERTY);
SimpleType simpleType = ast.newSimpleType(ast.newSimpleName("J"));
MarkerAnnotation annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker3"));
simpleType.annotations().add(annot);
listRewrite.insertLast(simpleType, null);
simpleType = (SimpleType) ((IntersectionType) castType).types().get(0);
listRewrite = rewrite.getListRewrite(simpleType, SimpleType.ANNOTATIONS_PROPERTY);
listRewrite.remove((ASTNode) simpleType.annotations().get(0), null);
listRewrite.remove((ASTNode) simpleType.annotations().get(1), null);
}
{
// Create new intersection cast types
IntersectionType intersection = ast.newIntersectionType();
SimpleType simpleType = ast.newSimpleType(ast.newSimpleName("I"));
MarkerAnnotation annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker1"));
simpleType.annotations().add(annot);
intersection.types().add(simpleType);
simpleType = ast.newSimpleType(ast.newSimpleName("J"));
annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker2"));
simpleType.annotations().add(annot);
intersection.types().add(simpleType);
simpleType = ast.newSimpleType(ast.newSimpleName("Serializable"));
annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker3"));
simpleType.annotations().add(annot);
intersection.types().add(simpleType);
statement = (VariableDeclarationStatement) method.getBody().statements().get(1);
fragment = (VariableDeclarationFragment) statement.fragments().get(0);
CastExpression castExp = ast.newCastExpression();
castExp.setType(intersection);
castExp.setExpression(ast.newSimpleName("obj"));
rewrite.set(fragment, VariableDeclarationFragment.INITIALIZER_PROPERTY, castExp, null);
}
{
IntersectionType intersection = ast.newIntersectionType();
SimpleType simpleType = ast.newSimpleType(ast.newSimpleName("I"));
MarkerAnnotation annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker1"));
simpleType.annotations().add(annot);
intersection.types().add(simpleType);
simpleType = ast.newSimpleType(ast.newSimpleName("Serializable"));
annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker2"));
simpleType.annotations().add(annot);
intersection.types().add(simpleType);
statement = (VariableDeclarationStatement) method.getBody().statements().get(2);
fragment = (VariableDeclarationFragment) statement.fragments().get(0);
CastExpression castExp = (CastExpression) fragment.getInitializer();
rewrite.set(castExp, CastExpression.TYPE_PROPERTY, intersection, null);
}
{ // Add a new cast expression
cast = ast.newCastExpression();
IntersectionType intersection = ast.newIntersectionType();
SimpleType simpleType = ast.newSimpleType(ast.newSimpleName("I"));
MarkerAnnotation annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker1"));
simpleType.annotations().add(annot);
intersection.types().add(simpleType);
simpleType = ast.newSimpleType(ast.newSimpleName("Serializable"));
annot = ast.newMarkerAnnotation();
annot.setTypeName(ast.newSimpleName("Marker2"));
simpleType.annotations().add(annot);
intersection.types().add(simpleType);
cast.setType(intersection);
cast.setExpression(ast.newSimpleName("obj"));
ReturnStatement returnSt = ast.newReturnStatement();
returnSt.setExpression(cast);
ListRewrite listRewrite = rewrite.getListRewrite(method.getBody(), Block.STATEMENTS_PROPERTY);
listRewrite.insertLast(returnSt, null);
}
String preview= evaluateRewrite(cu, rewrite);
content =
"import java.io.Serializable;\n" +
"public class X {\n" +
" public Serializable main(Object obj) {\n" +
" Serializable o = ((Serializable & I & @Marker3 J) () -> {});\n" +
" Serializable oo = (@Marker1 I & @Marker2 J & @Marker3 Serializable) obj;\n" +
" Serializable ooo = (@Marker1 I & @Marker2 Serializable) obj;\n" +
" return (@Marker1 I & @Marker2 Serializable) obj;\n" +
" }\n" +
"}\n" +
"interface I {\n" +
" public void foo();\n" +
"}\n" +
"interface J {\n" +
" public void foo();\n" +
" public void bar();\n" +
"}\n" +
"interface K {\n" +
" public void foo();\n" +
" public void bar();\n" +
"}\n";
assertEqualString(preview, content);
}
}