| /******************************************************************************* |
| * Copyright (c) 2000, 2020 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.ui.tests.core; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.Hashtable; |
| import java.util.List; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.eclipse.jdt.testplugin.JavaProjectHelper; |
| import org.eclipse.jdt.testplugin.TestOptions; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| 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.ASTNode; |
| import org.eclipse.jdt.core.dom.ASTParser; |
| import org.eclipse.jdt.core.dom.AbstractTypeDeclaration; |
| import org.eclipse.jdt.core.dom.Assignment; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.Expression; |
| import org.eclipse.jdt.core.dom.ExpressionStatement; |
| import org.eclipse.jdt.core.dom.IVariableBinding; |
| import org.eclipse.jdt.core.dom.MethodDeclaration; |
| import org.eclipse.jdt.core.dom.NodeFinder; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.SingleVariableDeclaration; |
| import org.eclipse.jdt.core.dom.Type; |
| import org.eclipse.jdt.core.dom.TypeDeclaration; |
| import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants; |
| |
| import org.eclipse.jdt.internal.corext.dom.ASTNodes; |
| import org.eclipse.jdt.internal.corext.dom.IASTSharedValues; |
| |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| import org.eclipse.jdt.ui.tests.core.rules.ProjectTestSetup; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| public class PartialASTTest extends CoreTests { |
| |
| @Rule |
| public ProjectTestSetup pts= new ProjectTestSetup(); |
| |
| private IJavaProject fJProject1; |
| private IPackageFragmentRoot fSourceFolder; |
| |
| @Before |
| public void setUp() throws Exception { |
| Hashtable<String, String> options= TestOptions.getDefaultOptions(); |
| options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, JavaCore.SPACE); |
| options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, "4"); |
| JavaCore.setOptions(options); |
| |
| IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore(); |
| store.setValue(PreferenceConstants.CODEGEN_ADD_COMMENTS, false); |
| |
| fJProject1= pts.getProject(); |
| |
| fSourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src"); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| JavaProjectHelper.clear(fJProject1, pts.getDefaultClasspath()); |
| } |
| |
| @Test |
| public void testPartialCU1() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String existing= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", existing, false, null); |
| |
| String statement= "fField1 = fField2;"; |
| int offset= existing.indexOf(statement); |
| |
| CompilationUnit astRoot= getPartialCompilationUnit(cu, offset); |
| String string= ASTNodes.asFormattedString(astRoot, 0, String.valueOf('\n'), null); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String expected= buf.toString(); |
| |
| assertEqualString(string, expected); |
| |
| offset= expected.indexOf(statement); |
| |
| ASTNode node= NodeFinder.perform(astRoot, offset, statement.length()); |
| Assignment assignment= (Assignment) ((ExpressionStatement) node).getExpression(); |
| Expression e1= assignment.getLeftHandSide(); |
| Expression e2= assignment.getRightHandSide(); |
| assertNotNull(e1.resolveTypeBinding()); |
| assertNotNull(e2.resolveTypeBinding()); |
| |
| assertTrue(((SimpleName) e1).resolveBinding() instanceof IVariableBinding); |
| assertTrue(((SimpleName) e2).resolveBinding() instanceof IVariableBinding); |
| |
| assertAllBindings(astRoot); |
| } |
| |
| private void assertAllBindings(CompilationUnit astRoot) { |
| List<AbstractTypeDeclaration> list= astRoot.types(); |
| for (AbstractTypeDeclaration element : list) { |
| TypeDeclaration decl= (TypeDeclaration) element; |
| assertNotNull(decl.resolveBinding()); |
| |
| if (!decl.isInterface() && decl.getSuperclassType() != null) { |
| assertNotNull(decl.getSuperclassType().resolveBinding()); |
| } |
| List<Type> interfaces= decl.superInterfaceTypes(); |
| for (Type interface1 : interfaces) { |
| assertNotNull(interface1.resolveBinding()); |
| } |
| |
| for (MethodDeclaration meth : decl.getMethods()) { |
| assertNotNull(meth.resolveBinding()); |
| List<SingleVariableDeclaration> params= meth.parameters(); |
| for (SingleVariableDeclaration arg : params) { |
| assertNotNull(arg.resolveBinding()); |
| } |
| if (!meth.isConstructor()) { |
| assertNotNull(meth.getReturnType2().resolveBinding()); |
| } |
| } |
| } |
| |
| |
| } |
| |
| |
| @Test |
| public void testPartialCU2() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" if (fField1 == 0) {\n"); |
| buf.append(" fField2++;\n"); |
| buf.append(" }\n"); |
| buf.append(" EInner inner = new EInner();\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" private class Local {\n"); |
| buf.append(" public int local(int i) {\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" Local local = new Local();\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String existing= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", existing, false, null); |
| |
| int offset= existing.indexOf("fField1 = fField2;"); |
| |
| CompilationUnit astRoot= getPartialCompilationUnit(cu, offset); |
| String string= ASTNodes.asFormattedString(astRoot, 0, String.valueOf('\n'), null); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" if (fField1 == 0) {\n"); |
| buf.append(" fField2++;\n"); |
| buf.append(" }\n"); |
| buf.append(" EInner inner = new EInner();\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String expected= buf.toString(); |
| |
| assertEqualString(string, expected); |
| assertAllBindings(astRoot); |
| } |
| |
| @Test |
| public void testPartialCU3() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.Serializable;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner implements Serializable {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" if (fField1 == 0) {\n"); |
| buf.append(" fField2++;\n"); |
| buf.append(" }\n"); |
| buf.append(" EInner inner = new EInner();\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" private class Local {\n"); |
| buf.append(" public int local(int i) {\n"); |
| buf.append(" return 1;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" Local local = new Local();\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String existing= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", existing, false, null); |
| |
| int offset= existing.indexOf("return 1;"); |
| |
| CompilationUnit astRoot= getPartialCompilationUnit(cu, offset); |
| String string= ASTNodes.asFormattedString(astRoot, 0, String.valueOf('\n'), null); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.Serializable;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner implements Serializable {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() {\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" private class Local {\n"); |
| buf.append(" public int local(int i) {\n"); |
| buf.append(" return 1;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" Local local = new Local();\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String expected= buf.toString(); |
| |
| assertEqualString(string, expected); |
| assertAllBindings(astRoot); |
| } |
| |
| @Test |
| public void testPartialCU4() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.IOException;\n"); |
| buf.append("import java.text.ParseException;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" return 0;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() throws IOException, ParseException {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" if (fField1 == 0) {\n"); |
| buf.append(" fField2++;\n"); |
| buf.append(" }\n"); |
| buf.append(" EInner inner = new EInner();\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" private class Local {\n"); |
| buf.append(" public int local(int i) {\n"); |
| buf.append(" return 1;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" Local local = new Local();\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String existing= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", existing, false, null); |
| |
| int offset= existing.indexOf("return 0;"); |
| |
| CompilationUnit astRoot= getPartialCompilationUnit(cu, offset); |
| String string= ASTNodes.asFormattedString(astRoot, 0, String.valueOf('\n'), null); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.IOException;\n"); |
| buf.append("import java.text.ParseException;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" return 0;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() throws IOException, ParseException {\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo1(int i) {\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String expected= buf.toString(); |
| |
| assertEqualString(string, expected); |
| assertAllBindings(astRoot); |
| } |
| |
| @Test |
| public void testPartialCUPositionNotInMethod1() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.IOException;\n"); |
| buf.append("import java.text.ParseException;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" return 0;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() throws IOException, ParseException {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" if (fField1 == 0) {\n"); |
| buf.append(" fField2++;\n"); |
| buf.append(" }\n"); |
| buf.append(" EInner inner = new EInner();\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo2(int i) {\n"); |
| buf.append(" private class Local {\n"); |
| buf.append(" public int local(int i) {\n"); |
| buf.append(" return 1;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" Local local = new Local();\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String existing= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", existing, false, null); |
| |
| int offset= existing.indexOf("private int fField1;"); |
| |
| CompilationUnit astRoot= getPartialCompilationUnit(cu, offset); |
| String string= ASTNodes.asFormattedString(astRoot, 0, String.valueOf('\n'), null); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.IOException;\n"); |
| buf.append("import java.text.ParseException;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" public int inner(int i) {\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() throws IOException, ParseException {\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo2(int i) {\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String expected= buf.toString(); |
| |
| assertEqualString(string, expected); |
| assertAllBindings(astRoot); |
| } |
| |
| @Test |
| public void testPartialCUPositionNotInMethod2() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.IOException;\n"); |
| buf.append("import java.text.ParseException;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" {\n"); |
| buf.append(" System.out.println();\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() throws IOException, ParseException {\n"); |
| buf.append(" fField1 = fField2;\n"); |
| buf.append(" if (fField1 == 0) {\n"); |
| buf.append(" fField2++;\n"); |
| buf.append(" }\n"); |
| buf.append(" EInner inner = new EInner();\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo2(int i) {\n"); |
| buf.append(" private class Local {\n"); |
| buf.append(" private int fField3;\n"); |
| buf.append(" public int local(int i) {\n"); |
| buf.append(" return 1;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" Local local = new Local();\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String existing= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", existing, false, null); |
| |
| int offset= existing.indexOf("private int fField3;"); |
| |
| CompilationUnit astRoot= getPartialCompilationUnit(cu, offset); |
| String string= ASTNodes.asFormattedString(astRoot, 0, String.valueOf('\n'), null); |
| |
| buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("import java.util.Vector;\n"); |
| buf.append("import java.io.IOException;\n"); |
| buf.append("import java.text.ParseException;\n"); |
| buf.append("public class E {\n"); |
| buf.append(" private class EInner {\n"); |
| buf.append(" {\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" private int fField1;\n"); |
| buf.append(" private int fField2;\n"); |
| buf.append(" public void foo1() throws IOException, ParseException {\n"); |
| buf.append(" }\n"); |
| buf.append(" public int foo2(int i) {\n"); |
| buf.append(" private class Local {\n"); |
| buf.append(" private int fField3;\n"); |
| buf.append(" public int local(int i) {\n"); |
| buf.append(" return 1;\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append(" Local local = new Local();\n"); |
| buf.append(" return i;\n"); |
| buf.append(" }\n"); |
| buf.append("}"); |
| String expected= buf.toString(); |
| |
| assertEqualString(string, expected); |
| assertAllBindings(astRoot); |
| } |
| |
| private CompilationUnit getPartialCompilationUnit(ICompilationUnit cu, int offset) { |
| ASTParser p= ASTParser.newParser(IASTSharedValues.SHARED_AST_LEVEL); |
| p.setSource(cu); |
| p.setFocalPosition(offset); |
| p.setResolveBindings(true); |
| return (CompilationUnit) p.createAST(null); |
| } |
| |
| /* |
| private static class PartialVisitor extends ASTVisitor { |
| |
| private int fOffset; |
| |
| public PartialVisitor(int offset) { |
| fOffset= offset; |
| } |
| |
| public boolean visit(Block node) { |
| ASTNode parent= node.getParent(); |
| if (parent instanceof MethodDeclaration || parent instanceof Initializer) { |
| int start= node.getStartPosition(); |
| int end= start + node.getLength(); |
| |
| if (start <= fOffset && fOffset < end) { |
| return true; |
| } |
| node.statements().clear(); |
| return false; |
| } |
| return true; |
| } |
| }*/ |
| |
| |
| } |