| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.ui.tests.astrewrite; |
| |
| import java.util.Hashtable; |
| import java.util.List; |
| |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| |
| import org.eclipse.jdt.testplugin.JavaProjectHelper; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.Block; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.ExpressionStatement; |
| import org.eclipse.jdt.core.dom.IfStatement; |
| import org.eclipse.jdt.core.dom.MethodDeclaration; |
| import org.eclipse.jdt.core.dom.MethodInvocation; |
| import org.eclipse.jdt.core.dom.ReturnStatement; |
| import org.eclipse.jdt.core.dom.Statement; |
| import org.eclipse.jdt.core.dom.TypeDeclaration; |
| |
| import org.eclipse.jdt.ui.tests.core.ProjectTestSetup; |
| |
| import org.eclipse.jdt.internal.corext.dom.ASTNodeConstants; |
| import org.eclipse.jdt.internal.corext.dom.ASTRewrite; |
| import org.eclipse.jdt.internal.corext.dom.NodeFinder; |
| |
| public class ASTRewritingCollapseTest extends ASTRewritingTest { |
| |
| private static final Class THIS= ASTRewritingCollapseTest.class; |
| |
| private IJavaProject fJProject1; |
| private IPackageFragmentRoot fSourceFolder; |
| |
| public ASTRewritingCollapseTest(String name) { |
| super(name); |
| } |
| |
| public static Test allTests() { |
| return new ProjectTestSetup(new TestSuite(THIS)); |
| } |
| |
| public static Test suite() { |
| if (true) { |
| return allTests(); |
| } else { |
| TestSuite suite= new TestSuite(); |
| suite.addTest(new ASTRewritingCollapseTest("testCollapsedTargetNodes2")); |
| return new ProjectTestSetup(suite); |
| } |
| } |
| |
| protected void setUp() throws Exception { |
| Hashtable options= JavaCore.getDefaultOptions(); |
| options.put(JavaCore.FORMATTER_TAB_CHAR, JavaCore.SPACE); |
| options.put(JavaCore.FORMATTER_TAB_SIZE, "4"); |
| JavaCore.setOptions(options); |
| |
| fJProject1= ProjectTestSetup.getProject(); |
| |
| fSourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src"); |
| } |
| |
| protected void tearDown() throws Exception { |
| JavaProjectHelper.clear(fJProject1, ProjectTestSetup.getDefaultClasspath()); |
| } |
| |
| // tests for collapse |
| |
| |
| public void testCollapsedTargetNodes() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" public void foo(Object o) {\n"); |
| buf.append(" return;\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, false); |
| AST ast= astRoot.getAST(); |
| ASTRewrite rewrite= new ASTRewrite(astRoot); |
| |
| String str= "return;"; |
| ReturnStatement returnStatement= (ReturnStatement) NodeFinder.perform(astRoot, buf.indexOf(str), str.length()); |
| |
| MethodInvocation newMethodInv1= ast.newMethodInvocation(); |
| newMethodInv1.setName(ast.newSimpleName("foo1")); |
| ExpressionStatement st1= ast.newExpressionStatement(newMethodInv1); |
| |
| MethodInvocation newMethodInv2= ast.newMethodInvocation(); |
| newMethodInv2.setName(ast.newSimpleName("foo2")); |
| ExpressionStatement st2= ast.newExpressionStatement(newMethodInv2); |
| |
| Block placeholder= rewrite.getCollapseTargetPlaceholder(new Statement[] { st1, st2 }); |
| rewrite.markAsReplaced(returnStatement, placeholder); |
| |
| String preview= evaluateRewrite(cu, rewrite); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" public void foo(Object o) {\n"); |
| buf.append(" foo1();\n"); |
| buf.append(" foo2();\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| String expected= buf.toString(); |
| |
| assertEqualString(preview, expected); |
| } |
| |
| public void testCollapsedTargetNodes2() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" public void foo(Object o) {\n"); |
| buf.append(" {\n"); |
| buf.append(" return;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, false); |
| AST ast= astRoot.getAST(); |
| ASTRewrite rewrite= new ASTRewrite(astRoot); |
| |
| String str= "return;"; |
| ReturnStatement returnStatement= (ReturnStatement) NodeFinder.perform(astRoot, buf.indexOf(str), str.length()); |
| |
| MethodInvocation newMethodInv1= ast.newMethodInvocation(); |
| newMethodInv1.setName(ast.newSimpleName("foo1")); |
| ExpressionStatement st1= ast.newExpressionStatement(newMethodInv1); |
| |
| MethodInvocation newMethodInv2= ast.newMethodInvocation(); |
| newMethodInv2.setName(ast.newSimpleName("foo2")); |
| ExpressionStatement st2= ast.newExpressionStatement(newMethodInv2); |
| |
| ReturnStatement st3= (ReturnStatement) rewrite.createCopyPlaceholder(returnStatement); |
| |
| Block placeholder= rewrite.getCollapseTargetPlaceholder(new Statement[] { st1, st2, st3 }); |
| rewrite.markAsReplaced(returnStatement.getParent(), placeholder); |
| |
| String preview= evaluateRewrite(cu, rewrite); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" public void foo(Object o) {\n"); |
| buf.append(" foo1();\n"); |
| buf.append(" foo2();\n"); |
| buf.append(" return;\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| String expected= buf.toString(); |
| |
| assertEqualString(preview, expected); |
| } |
| |
| |
| public void testMoveCollapsedCD() throws Exception { |
| IPackageFragment pack1= fSourceFolder.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(" foo();\n"); |
| buf.append(" i++; // comment\n"); |
| buf.append(" i++;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, false); |
| ASTRewrite rewrite= new ASTRewrite(astRoot); |
| assertTrue("Code has errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0); |
| |
| TypeDeclaration type= findTypeDeclaration(astRoot, "E"); |
| MethodDeclaration methodDecl= findMethodDeclaration(type, "foo"); |
| { |
| List statements= methodDecl.getBody().statements(); |
| IfStatement ifStatement= (IfStatement) statements.get(0); |
| List ifStatementBody= ((Block) ifStatement.getThenStatement()).statements(); |
| ASTNode collapsed= rewrite.collapseNodes(ifStatementBody, 0, ifStatementBody.size()); |
| |
| ASTNode placeholder= rewrite.createCopyPlaceholder(collapsed); |
| rewrite.markAsRemoved(collapsed); |
| |
| rewrite.getListRewrite(methodDecl.getBody(), ASTNodeConstants.STATEMENTS).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(" if (i == 0) {\n"); |
| buf.append(" }\n"); |
| buf.append(" foo();\n"); |
| buf.append(" i++; // comment\n"); |
| buf.append(" i++;\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| assertEqualString(preview, buf.toString()); |
| |
| } |
| |
| public void testMoveCollapsed() throws Exception { |
| IPackageFragment pack1= fSourceFolder.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(" foo();\n"); |
| buf.append(" i++; // comment\n"); |
| buf.append(" i++;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, false); |
| ASTRewrite rewrite= new ASTRewrite(astRoot); |
| assertTrue("Code has errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0); |
| |
| TypeDeclaration type= findTypeDeclaration(astRoot, "E"); |
| MethodDeclaration methodDecl= findMethodDeclaration(type, "foo"); |
| { |
| List statements= methodDecl.getBody().statements(); |
| IfStatement ifStatement= (IfStatement) statements.get(0); |
| List ifStatementBody= ((Block) ifStatement.getThenStatement()).statements(); |
| ASTNode collapsed= rewrite.collapseNodes(ifStatementBody, 0, ifStatementBody.size()); |
| |
| ASTNode placeholder= rewrite.createMovePlaceholder(collapsed); |
| rewrite.getListRewrite(methodDecl.getBody(), ASTNodeConstants.STATEMENTS).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(" if (i == 0) {\n"); |
| buf.append(" }\n"); |
| buf.append(" foo();\n"); |
| buf.append(" i++; // comment\n"); |
| buf.append(" i++;\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| assertEqualString(preview, buf.toString()); |
| |
| } |
| |
| public void testReplaceCollapsed() throws Exception { |
| IPackageFragment pack1= fSourceFolder.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(" foo();\n"); |
| buf.append(" i++; // comment\n"); |
| buf.append(" i++;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, false); |
| AST ast= astRoot.getAST(); |
| ASTRewrite rewrite= new ASTRewrite(astRoot); |
| assertTrue("Code has errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0); |
| |
| TypeDeclaration type= findTypeDeclaration(astRoot, "E"); |
| MethodDeclaration methodDecl= findMethodDeclaration(type, "foo"); |
| { |
| List statements= methodDecl.getBody().statements(); |
| IfStatement ifStatement= (IfStatement) statements.get(0); |
| List ifStatementBody= ((Block) ifStatement.getThenStatement()).statements(); |
| ASTNode collapsed= rewrite.collapseNodes(ifStatementBody, 0, ifStatementBody.size()); |
| |
| ASTNode newStatement= ast.newReturnStatement(); |
| rewrite.markAsReplaced(collapsed, newStatement); |
| } |
| |
| 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(" return;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| assertEqualString(preview, buf.toString()); |
| |
| } |
| |
| |
| } |