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CleanUpTest1d8.java
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CleanUpTest1d8.java
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/*******************************************************************************
* Copyright (c) 2020, 2024 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:
* Fabrice TIERCELIN - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.ui.tests.quickfix;
import static org.junit.Assert.assertNotEquals;
import java.util.Arrays;
import java.util.HashSet;
import org.junit.Ignore;
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.core.manipulation.CodeTemplateContextType;
import org.eclipse.jdt.internal.core.manipulation.StubUtility;
import org.eclipse.jdt.internal.corext.fix.CleanUpConstants;
import org.eclipse.jdt.internal.corext.fix.FixMessages;
import org.eclipse.jdt.ui.tests.core.rules.Java1d8ProjectTestSetup;
import org.eclipse.jdt.ui.tests.core.rules.ProjectTestSetup;
import org.eclipse.jdt.internal.ui.fix.MultiFixMessages;
public class CleanUpTest1d8 extends CleanUpTestCase {
@Rule
public ProjectTestSetup projectSetup= new Java1d8ProjectTestSetup();
@Override
public void setUp() throws Exception {
super.setUp();
StubUtility.setCodeTemplate(CodeTemplateContextType.OVERRIDECOMMENT_ID, "", null);
}
@Override
protected IJavaProject getProject() {
return projectSetup.getProject();
}
@Override
protected IClasspathEntry[] getDefaultClasspath() throws CoreException {
return projectSetup.getDefaultClasspath();
}
@Test
public void testConvertToLambda01() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test;\n" //
+ "public class E {\n" //
+ " void foo(){\n" //
+ " // Keep this comment\n" //
+ " Runnable r = new Runnable() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " System.out.println(\"do something\");\n" //
+ " }\n" //
+ " };\n" //
+ " };\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test;\n" //
+ "public class E {\n" //
+ " void foo(){\n" //
+ " // Keep this comment\n" //
+ " Runnable r = () -> System.out.println(\"do something\");\n" //
+ " };\n" //
+ "}\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original },
new HashSet<>(Arrays.asList(FixMessages.LambdaExpressionsFix_convert_to_anonymous_class_creation)));
}
@Test
public void testConvertToLambda02() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test;\n" //
+ "public class E {\n" //
+ " void foo(){\n" //
+ " Runnable r1 = new Runnable() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " System.out.println(\"do something\");\n" //
+ " }\n" //
+ " };\n" //
+ " Runnable r2 = new Runnable() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " System.out.println(\"do one thing\");\n" //
+ " System.out.println(\"do another thing\");\n" //
+ " }\n" //
+ " };\n" //
+ " };\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test;\n" //
+ "public class E {\n" //
+ " void foo(){\n" //
+ " Runnable r1 = () -> System.out.println(\"do something\");\n" //
+ " Runnable r2 = () -> {\n" //
+ " System.out.println(\"do one thing\");\n" //
+ " System.out.println(\"do another thing\");\n" //
+ " };\n" //
+ " };\n" //
+ "}\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 },
new HashSet<>(Arrays.asList(FixMessages.LambdaExpressionsFix_convert_to_lambda_expression)));
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original },
new HashSet<>(Arrays.asList(FixMessages.LambdaExpressionsFix_convert_to_anonymous_class_creation)));
}
@Test
public void testConvertToLambda03() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test1;\n" //
+ "import java.util.function.Supplier;\n" //
+ "class E {\n" //
+ " Supplier<Supplier<String>> s= new Supplier<Supplier<String>>() {\n" //
+ " @Override\n" //
+ " public Supplier<String> get() {\n" //
+ " return new Supplier<String>() {\n" //
+ " @Override\n" //
+ " public String get() {\n" //
+ " return \"a\";\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ " };\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test1;\n" //
+ "import java.util.function.Supplier;\n" //
+ "class E {\n" //
+ " Supplier<Supplier<String>> s= () -> () -> \"a\";\n" //
+ "}\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original }, null);
}
@Test
public void testConvertToLambda04() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
String sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private class K {\n" //
+ " public void routine(int i) {\n" //
+ " }\n" //
+ " }\n" //
+ " private interface J {\n" //
+ " public void routine(K k, int i //\n" //
+ " }\n" //
+ " public void foo2() {\n" //
+ " }\n" //
+ " public void foo() {\n" //
+ " Runnable r = new Runnable() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " foo2();\n" //
+ " }\n" //
+ " };\n" //
+ " J c = new J() {\n" //
+ " @Override\n" //
+ " public void routine(K k, int i) {\n" //
+ " k.routine(i);\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ "}\n"; //
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
disable(CleanUpConstants.ALSO_SIMPLIFY_LAMBDA);
sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private class K {\n" //
+ " public void routine(int i) {\n" //
+ " }\n" //
+ " }\n" //
+ " private interface J {\n" //
+ " public void routine(K k, int i //\n" //
+ " }\n" //
+ " public void foo2() {\n" //
+ " }\n" //
+ " public void foo() {\n" //
+ " Runnable r = () -> foo2();\n" //
+ " J c = (k, i) -> k.routine(i);\n" //
+ " }\n" //
+ "}\n"; //
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original }, null);
}
@Test
public void testConvertToLambda05() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
String sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private class K {\n" //
+ " public void routine(int i) {\n" //
+ " }\n" //
+ " }\n" //
+ " private interface J {\n" //
+ " public void routine(K k, int i //\n" //
+ " }\n" //
+ " public void foo2() {\n" //
+ " }\n" //
+ " public void foo() {\n" //
+ " Runnable r = new Runnable() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " foo2();\n" //
+ " }\n" //
+ " };\n" //
+ " J c = new J() {\n" //
+ " @Override\n" //
+ " public void routine(K k, int i) {\n" //
+ " k.routine(i);\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ "}\n"; //
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.ALSO_SIMPLIFY_LAMBDA);
sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private class K {\n" //
+ " public void routine(int i) {\n" //
+ " }\n" //
+ " }\n" //
+ " private interface J {\n" //
+ " public void routine(K k, int i //\n" //
+ " }\n" //
+ " public void foo2() {\n" //
+ " }\n" //
+ " public void foo() {\n" //
+ " Runnable r = this::foo2;\n" //
+ " J c = K::routine;\n" //
+ " }\n" //
+ "}\n"; //
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
}
@Test
public void testConvertToLambda06() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
String sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private class K {\n" //
+ " public void routine(int i) {\n" //
+ " }\n" //
+ " }\n" //
+ " private interface J {\n" //
+ " public void routine(K k, int i //\n" //
+ " }\n" //
+ " public void foo2() {\n" //
+ " }\n" //
+ " public void foo() {\n" //
+ " Runnable r = new Runnable() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " foo2();\n" //
+ " }\n" //
+ " };\n" //
+ " J c = new J() {\n" //
+ " @Override\n" //
+ " public void routine(K k, int i) {\n" //
+ " k.routine(i);\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ "}\n"; //
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
disable(CleanUpConstants.ALSO_SIMPLIFY_LAMBDA);
enable(CleanUpConstants.SIMPLIFY_LAMBDA_EXPRESSION_AND_METHOD_REF);
sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private class K {\n" //
+ " public void routine(int i) {\n" //
+ " }\n" //
+ " }\n" //
+ " private interface J {\n" //
+ " public void routine(K k, int i //\n" //
+ " }\n" //
+ " public void foo2() {\n" //
+ " }\n" //
+ " public void foo() {\n" //
+ " Runnable r = this::foo2;\n" //
+ " J c = K::routine;\n" //
+ " }\n" //
+ "}\n"; //
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
}
@Test
public void testConvertToLambda07() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
String sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private interface Blah {\n" //
+ " public boolean isCorrect(Object z //\n" //
+ " }\n" //
+ " public boolean foo() {\n" //
+ " Blah x = new Blah() {\n" //
+ " @Override\n" //
+ " public boolean isCorrect(Object z) {\n" //
+ " return z instanceof String;\n" //
+ " }\n" //
+ " }; // comment 1\n" //
+ " return x.isCorrect(this //\n" //
+ " }\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.ALSO_SIMPLIFY_LAMBDA);
sample= "" //
+ "package test1;\n" //
+ "public class E {\n" //
+ " private interface Blah {\n" //
+ " public boolean isCorrect(Object z //\n" //
+ " }\n" //
+ " public boolean foo() {\n" //
+ " Blah x = String.class::isInstance; // comment 1\n" //
+ " return x.isCorrect(this //\n" //
+ " }\n" //
+ "}\n"; //
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
}
@Test
public void testConvertToLambdaWithConstant() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test;\n" //
+ "\n" //
+ "public class E {\n" //
+ " @FunctionalInterface\n" //
+ " interface FI1 extends Runnable {\n" //
+ " int CONSTANT_VALUE = 123;\n" //
+ " }\n" //
+ "\n" //
+ " void foo() {\n" //
+ " Runnable r = new FI1() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " System.out.println(CONSTANT_VALUE);\n" //
+ " }\n" //
+ " };\n" //
+ " };\n" //
+ "}\n";
ICompilationUnit cu= pack1.createCompilationUnit("E.java", sample, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test;\n" //
+ "\n" //
+ "public class E {\n" //
+ " @FunctionalInterface\n" //
+ " interface FI1 extends Runnable {\n" //
+ " int CONSTANT_VALUE = 123;\n" //
+ " }\n" //
+ "\n" //
+ " void foo() {\n" //
+ " Runnable r = () -> System.out.println(FI1.CONSTANT_VALUE);\n" //
+ " };\n" //
+ "}\n";
String expected= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu }, new String[] { expected },
new HashSet<>(Arrays.asList(FixMessages.LambdaExpressionsFix_convert_to_lambda_expression)));
}
@Test
public void testConvertToLambdaNestedWithImports() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test;\n" //
+ "import java.util.concurrent.Callable;\n" //
+ "import java.util.concurrent.Executors;\n" //
+ "public class E {\n" //
+ " void foo() {\n" //
+ " new Thread(new Runnable() {\n" //
+ " @Override\n" //
+ " public void run() {\n" //
+ " Executors.newSingleThreadExecutor().submit(new Callable<String>() {\n" //
+ " @Override\n" //
+ " public String call() throws Exception {\n" //
+ " return \"hi\";\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test;\n" //
+ "import java.util.concurrent.Executors;\n" //
+ "public class E {\n" //
+ " void foo() {\n" //
+ " new Thread(() -> Executors.newSingleThreadExecutor().submit(() -> \"hi\"));\n" //
+ " }\n" //
+ "}\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original }, null);
}
// fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=434507#c5
@Test
public void testConvertToLambdaAmbiguous01() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test;\n" //
+ "\n" //
+ "interface ISuper {\n" //
+ " void foo(FI1 fi1);\n" //
+ "}\n" //
+ "\n" //
+ "interface ISub extends ISuper {\n" //
+ " void foo(FI2 fi2);\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI1 {\n" //
+ " void abc();\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI2 {\n" //
+ " void xyz();\n" //
+ "}\n" //
+ "\n" //
+ "class Test1 {\n" //
+ " private void test1() {\n" //
+ " f1().foo(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ "\n" //
+ " }\n" //
+ " \n" //
+ " private ISub f1() {\n" //
+ " return null;\n" //
+ " }\n" //
+ "}\n" //
+ "\n" //
+ "abstract class Test2 implements ISub {\n" //
+ " private void test2() {\n" //
+ " foo(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ "}\n" //
+ "\n" //
+ "class Test3 {\n" //
+ " void foo(FI1 fi1) {}\n" //
+ " void foo(FI2 fi2) {}\n" //
+ " private void test3() {\n" //
+ " foo(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ "}\n" //
+ "\n" //
+ "class Outer {\n" //
+ " class Test4 {\n" //
+ " {\n" //
+ " bar(0, new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " }\n" //
+ " void bar(int i, FI1 fi1) {}\n" //
+ " void bar(int s, FI2 fi2) {}\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test;\n" //
+ "\n" //
+ "interface ISuper {\n" //
+ " void foo(FI1 fi1);\n" //
+ "}\n" //
+ "\n" //
+ "interface ISub extends ISuper {\n" //
+ " void foo(FI2 fi2);\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI1 {\n" //
+ " void abc();\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI2 {\n" //
+ " void xyz();\n" //
+ "}\n" //
+ "\n" //
+ "class Test1 {\n" //
+ " private void test1() {\n" //
+ " f1().foo((FI1) () -> System.out.println());\n" //
+ "\n" //
+ " }\n" //
+ " \n" //
+ " private ISub f1() {\n" //
+ " return null;\n" //
+ " }\n" //
+ "}\n" //
+ "\n" //
+ "abstract class Test2 implements ISub {\n" //
+ " private void test2() {\n" //
+ " foo((FI1) () -> System.out.println());\n" //
+ " }\n" //
+ "}\n" //
+ "\n" //
+ "class Test3 {\n" //
+ " void foo(FI1 fi1) {}\n" //
+ " void foo(FI2 fi2) {}\n" //
+ " private void test3() {\n" //
+ " foo((FI1) () -> System.out.println());\n" //
+ " }\n" //
+ "}\n" //
+ "\n" //
+ "class Outer {\n" //
+ " class Test4 {\n" //
+ " {\n" //
+ " bar(0, (FI1) () -> {\n" //
+ " });\n" //
+ " }\n" //
+ " }\n" //
+ " void bar(int i, FI1 fi1) {}\n" //
+ " void bar(int s, FI2 fi2) {}\n" //
+ "}\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original }, null);
}
// fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=434507#c5
@Test
public void testConvertToLambdaAmbiguous02() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test;\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI1 {\n" //
+ " void abc();\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI2 {\n" //
+ " void xyz();\n" //
+ "}\n" //
+ "\n" //
+ "class Outer {\n" //
+ " void outer(FI1 fi1) {}\n" //
+ "}\n" //
+ "class OuterSub extends Outer {\n" //
+ " OuterSub() {\n" //
+ " super.outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " class Test1 {\n" //
+ " private void test1() {\n" //
+ " OuterSub.super.outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " OuterSub.this.outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " }\n" //
+ " @Override\n" //
+ " void outer(FI1 fi1) {}\n" //
+ " void outer(FI2 fi2) {}\n" //
+ "}\n" //
+ "\n" //
+ "class OuterSub2 extends OuterSub {\n" //
+ " OuterSub2() {\n" //
+ " super.outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " class Test2 {\n" //
+ " private void test2() {\n" //
+ " OuterSub2.super.outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " OuterSub2.this.outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " outer(new FI1() {\n" //
+ " @Override\n" //
+ " public void abc() {\n" //
+ " System.out.println();\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " }\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test;\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI1 {\n" //
+ " void abc();\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface\n" //
+ "interface FI2 {\n" //
+ " void xyz();\n" //
+ "}\n" //
+ "\n" //
+ "class Outer {\n" //
+ " void outer(FI1 fi1) {}\n" //
+ "}\n" //
+ "class OuterSub extends Outer {\n" //
+ " OuterSub() {\n" //
+ " super.outer(() -> System.out.println());\n" //
+ " }\n" //
+ " class Test1 {\n" //
+ " private void test1() {\n" //
+ " OuterSub.super.outer(() -> System.out.println());\n" //
+ " OuterSub.this.outer((FI1) () -> System.out.println());\n" //
+ " outer((FI1) () -> System.out.println());\n" //
+ " }\n" //
+ " }\n" //
+ " @Override\n" //
+ " void outer(FI1 fi1) {}\n" //
+ " void outer(FI2 fi2) {}\n" //
+ "}\n" //
+ "\n" //
+ "class OuterSub2 extends OuterSub {\n" //
+ " OuterSub2() {\n" //
+ " super.outer((FI1) () -> System.out.println());\n" //
+ " }\n" //
+ " class Test2 {\n" //
+ " private void test2() {\n" //
+ " OuterSub2.super.outer((FI1) () -> System.out.println());\n" //
+ " OuterSub2.this.outer((FI1) () -> System.out.println());\n" //
+ " outer((FI1) () -> System.out.println());\n" //
+ " }\n" //
+ " }\n" //
+ "}\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original }, null);
}
// fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=434507#c2
@Test
public void testConvertToLambdaAmbiguous03() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test;\n" //
+ "public interface E {\n" //
+ " default void m() {\n" //
+ " bar(0, new FI() {\n" //
+ " @Override\n" //
+ " public int foo(int x) {\n" //
+ " return x++;\n" //
+ " }\n" //
+ " });\n" //
+ " baz(0, new ZI() {\n" //
+ " @Override\n" //
+ " public int zoo() {\n" //
+ " return 1;\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ "\n" //
+ " void bar(int i, FI fi);\n" //
+ " void bar(int i, FV fv);\n" //
+ "\n" //
+ " void baz(int i, ZI zi);\n" //
+ " void baz(int i, ZV zv);\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface interface FI { int foo(int a); }\n" //
+ "@FunctionalInterface interface FV { void foo(int a); }\n" //
+ "\n" //
+ "@FunctionalInterface interface ZI { int zoo(); }\n" //
+ "@FunctionalInterface interface ZV { void zoo(); }\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("E.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test;\n" //
+ "public interface E {\n" //
+ " default void m() {\n" //
+ " bar(0, (FI) x -> x++);\n" //
+ " baz(0, () -> 1);\n" //
+ " }\n" //
+ "\n" //
+ " void bar(int i, FI fi);\n" //
+ " void bar(int i, FV fv);\n" //
+ "\n" //
+ " void baz(int i, ZI zi);\n" //
+ " void baz(int i, ZV zv);\n" //
+ "}\n" //
+ "\n" //
+ "@FunctionalInterface interface FI { int foo(int a); }\n" //
+ "@FunctionalInterface interface FV { void foo(int a); }\n" //
+ "\n" //
+ "@FunctionalInterface interface ZI { int zoo(); }\n" //
+ "@FunctionalInterface interface ZV { void zoo(); }\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
disable(CleanUpConstants.USE_LAMBDA);
enable(CleanUpConstants.USE_ANONYMOUS_CLASS_CREATION);
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { original }, null);
}
@Test
public void testConvertToLambdaConflictingNames() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test", false, null);
String sample= "" //
+ "package test1;\n" //
+ "\n" //
+ "interface FI {\n" //
+ " void run(int x);\n" //
+ "}\n" //
+ "\n" //
+ "public class Test {\n" //
+ " {\n" //
+ " int e;\n" //
+ " FI fi = new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e) {\n" //
+ " class C1 {\n" //
+ " void init1() {\n" //
+ " m(new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e) {\n" //
+ " FI fi = new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e) {\n" //
+ " FI fi = new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e) {\n" //
+ " return;\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ "\n" //
+ " void init2() {\n" //
+ " m(new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e) {\n" //
+ " new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e3) {\n" //
+ " FI fi = new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e) {\n" //
+ " return;\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " }\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ "\n" //
+ " void m(FI fi) {\n" //
+ " };\n" //
+ "}\n";
String original= sample;
ICompilationUnit cu1= pack1.createCompilationUnit("Test.java", original, false, null);
enable(CleanUpConstants.CONVERT_FUNCTIONAL_INTERFACES);
enable(CleanUpConstants.USE_LAMBDA);
sample= "" //
+ "package test1;\n" //
+ "\n" //
+ "interface FI {\n" //
+ " void run(int x);\n" //
+ "}\n" //
+ "\n" //
+ "public class Test {\n" //
+ " {\n" //
+ " int e;\n" //
+ " FI fi = e4 -> {\n" //
+ " class C1 {\n" //
+ " void init1() {\n" //
+ " m(e3 -> {\n" //
+ " FI fi2 = e2 -> {\n" //
+ " FI fi1 = e1 -> {\n" //
+ " return;\n" //
+ " };\n" //
+ " };\n" //
+ " });\n" //
+ " }\n" //
+ "\n" //
+ " void init2() {\n" //
+ " m(e2 -> new FI() {\n" //
+ " @Override\n" //
+ " public void run(int e3) {\n" //
+ " FI fi = e1 -> {\n" //
+ " return;\n" //
+ " };\n" //
+ " }\n" //
+ " });\n" //
+ " }\n" //
+ " }\n" //
+ " };\n" //
+ " }\n" //
+ "\n" //
+ " void m(FI fi) {\n" //
+ " };\n" //
+ "}\n";
String expected1= sample;
assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 }, null);
}
@Test
public void testConvertToLambdaNoRenameLocals() throws CoreException {
IPackageFragment pack= fSourceFolder.createPackageFragment("test", false, null);
String original= ""
+ "package test;\n"
+ "\n"
+ "interface FI {\n"
+ " void doIt(String p);\n"
+ "}\n"
+ "public class C1 {\n"