| /******************************************************************************* |
| * Copyright (c) 2020 Fabrice TIERCELIN 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: |
| * Fabrice TIERCELIN - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.ui.tests.quickfix; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| |
| import org.eclipse.jdt.internal.corext.fix.CleanUpConstants; |
| |
| import org.eclipse.jdt.ui.tests.core.rules.Java10ProjectTestSetup; |
| import org.eclipse.jdt.ui.tests.core.rules.ProjectTestSetup; |
| |
| /** |
| * Tests the cleanup features related to Java 10. |
| */ |
| public class CleanUpTest1d10 extends CleanUpTestCase { |
| |
| @Rule |
| public ProjectTestSetup projectSetup = new Java10ProjectTestSetup(); |
| |
| @Override |
| protected IJavaProject getProject() { |
| return projectSetup.getProject(); |
| } |
| |
| @Override |
| protected IClasspathEntry[] getDefaultClasspath() throws CoreException { |
| return projectSetup.getDefaultClasspath(); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceOnPrimitive() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " int number = 0;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " var number = 0;\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceOnLongWidening() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " long number = 0;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " var number = 0L;\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceOnFloatWidening() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " float number = 0;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " var number = 0F;\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceOnDoubleWidening() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " double number = 0;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " var number = 0D;\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceOnHexaPrimitive() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " long number = 0x0;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " var number = 0x0L;\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceOnParameterizedType() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.ArrayList;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " ArrayList<String> parameterizedType = new ArrayList<String>();\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.ArrayList;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " var parameterizedType = new ArrayList<String>();\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceParameterizedTypeWithDiamond() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " HashMap<Integer, String> parameterizedTypeWithDiamond = new HashMap<>();\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo() {\n" // |
| + " var parameterizedTypeWithDiamond = new HashMap<Integer, String>();\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnUninitializedVariable() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " public void foo(int doNotRefactorParameter) {\n" // |
| + " int doNotRefactorUninitializedVariable;\n" // |
| + " doNotRefactorUninitializedVariable = 0;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnNarrowingType() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " private int doNotRefactorField = 0;\n" // |
| + "\n" // |
| + " public void foo(int doNotRefactorParameter) {\n" // |
| + " short doNotRefactorNarrowingType = 0;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnDifferentTypes() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.HashMap;\n" // |
| + "import java.util.Map;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " public void foo() {\n" // |
| + " Map<Integer, String> doNotRefactorDifferentTypes = new HashMap<Integer, String>();\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnArray() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " public void foo() {\n" // |
| + " int doNotRefactorArray[] = new int[]{0};\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnDifferentTypeArguments() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.ArrayList;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " public void foo() {\n" // |
| + " ArrayList<Number> doNotRefactorDifferentTypeArguments = new ArrayList<Integer>();\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnMultiDeclarations() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " public void foo() {\n" // |
| + " double doNot = 0, refactor = .0, multiDeclarations = 1D;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnParameterizedMethod() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " public void foo() {\n" // |
| + " ArrayList<Integer> doNotRefactorParameterizedMethod = newInstance();\n" // |
| + " }\n" // |
| + "\n" // |
| + " public <D> ArrayList<D> newInstance() {\n" // |
| + " return new ArrayList<D>();\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceParameterizedTypeFromCastExpression() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(Object o) {\n" // |
| + " HashMap<Integer, String> parameterizedTypeFromCastExpression = (HashMap<Integer, String>) o;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(Object o) {\n" // |
| + " var parameterizedTypeFromCastExpression = (HashMap<Integer, String>) o;\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceParameterizedTypeFromMethod() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.Collection;\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(HashMap<Integer, String> m) {\n" // |
| + " Collection<String> parameterizedTypeFromMethod = m.values();\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.Collection;\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(HashMap<Integer, String> m) {\n" // |
| + " var parameterizedTypeFromMethod = m.values();\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceParameterizedTypeFromVariable() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(HashMap<Integer, String> m) {\n" // |
| + " HashMap<Integer, String> parameterizedTypeFromVariable = m;\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.HashMap;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(HashMap<Integer, String> m) {\n" // |
| + " var parameterizedTypeFromVariable = m;\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testUseLocalVariableTypeInferenceIntoStatement() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(String[] array) {\n" // |
| + " for (int i= 0; i < array.length; i++) {\n" // |
| + " String arrayElement= array[i];\n" // |
| + " }\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "public class E {\n" // |
| + " public void foo(String[] array) {\n" // |
| + " for (var i= 0; i < array.length; i++) {\n" // |
| + " var arrayElement= array[i];\n" // |
| + " }\n" // |
| + " }\n" // |
| + "}\n"; |
| String expected1= sample; |
| |
| assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }); |
| } |
| |
| @Test |
| public void testDoNotUseVarOnFromLambdaExpression() throws Exception { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| String sample= "" // |
| + "package test1;\n" // |
| + "\n" // |
| + "import java.util.function.Function;\n" // |
| + "\n" // |
| + "public class E1 {\n" // |
| + " public void foo() {\n" // |
| + " Function<Integer, String> doNotUseVarOnFromLambdaExpression = i -> String.valueOf(i);\n" // |
| + " }\n" // |
| + "}\n"; |
| ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", sample, false, null); |
| |
| enable(CleanUpConstants.USE_VAR); |
| |
| assertRefactoringHasNoChange(new ICompilationUnit[] { cu1 }); |
| } |
| } |
