| /******************************************************************************* |
| * Copyright (c) 2011, 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 org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.eclipse.jdt.testplugin.JavaProjectHelper; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.Signature; |
| |
| import org.eclipse.jdt.ui.JavaElementLabels; |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| import org.eclipse.jdt.ui.tests.core.rules.Java1d8ProjectTestSetup; |
| |
| /** |
| * Those tests are made to run on Java Spider 1.8 . |
| */ |
| public class JavaElementLabelsTest1d8 extends CoreTests { |
| @Rule |
| public Java1d8ProjectTestSetup j18p= new Java1d8ProjectTestSetup(); |
| |
| private IJavaProject fJProject1; |
| |
| @Before |
| public void setUp() throws Exception { |
| fJProject1= j18p.getProject(); |
| |
| IPreferenceStore store= PreferenceConstants.getPreferenceStore(); |
| store.setValue(PreferenceConstants.APPEARANCE_COMPRESS_PACKAGE_NAMES, false); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| JavaProjectHelper.clear(fJProject1, j18p.getDefaultClasspath()); |
| } |
| |
| @Test |
| public void testMethodLabelPolymorphicSignatureDeclaration() throws Exception { |
| IType methodHandle= fJProject1.findType("java.lang.invoke.MethodHandle"); |
| IMethod invokeExact= methodHandle.getMethod("invokeExact", new String[] { |
| Signature.createArraySignature(Signature.createTypeSignature("java.lang.Object", true), 1) |
| }); |
| |
| String lab= JavaElementLabels.getTextLabel(invokeExact, JavaElementLabels.ALL_DEFAULT); |
| assertEqualString(lab, "invokeExact(Object...)"); |
| |
| lab= JavaElementLabels.getTextLabel(invokeExact, JavaElementLabels.M_PARAMETER_NAMES); |
| assertEqualString(lab, "invokeExact(arg0)"); |
| |
| lab= JavaElementLabels.getTextLabel(invokeExact, JavaElementLabels.M_PARAMETER_TYPES); |
| assertEqualString(lab, "invokeExact(Object...)"); |
| |
| lab= JavaElementLabels.getTextLabel(invokeExact, JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PARAMETER_TYPES); |
| assertEqualString(lab, "invokeExact(Object... arg0)"); |
| |
| lab= JavaElementLabels.getTextLabel(invokeExact, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invokeExact(Object...)"); |
| } |
| |
| private IJavaElement createInvokeReference(String invocation) throws CoreException, JavaModelException { |
| IPackageFragmentRoot sourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src"); |
| |
| IPackageFragment pack1= sourceFolder.createPackageFragment("org.test", false, null); |
| StringBuilder buf= new StringBuilder(); |
| buf.append("package org.test;\n"); |
| buf.append("import java.lang.invoke.MethodHandle;\n"); |
| buf.append("public class Test {\n"); |
| buf.append(" void foo(MethodHandle mh) throws Throwable {\n"); |
| buf.append(" " + invocation + ";\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| String content= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("Test.java", content, false, null); |
| |
| IJavaElement elem= cu.codeSelect(content.indexOf("invoke("), 0)[0]; |
| return elem; |
| } |
| |
| private static void assertInvokeUnresolved(IJavaElement elem) { |
| String lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.ALL_DEFAULT); |
| assertEqualString(lab, "invoke(Object...)"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_NAMES); |
| assertEqualString(lab, "invoke(arg0)"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES); |
| assertEqualString(lab, "invoke(Object...)"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PRE_RETURNTYPE); |
| assertEqualString(lab, "Object invoke(Object... arg0)"); |
| } |
| |
| @Test |
| public void testMethodLabelPolymorphicSignatureReference0() throws Exception { |
| IJavaElement elem= createInvokeReference("mh.invoke()"); |
| |
| assertInvokeUnresolved(elem); |
| |
| String lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke()"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke()"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PRE_RETURNTYPE | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "void invoke()"); |
| } |
| |
| @Test |
| public void testMethodLabelPolymorphicSignatureReference0Ret() throws Exception { |
| IJavaElement elem= createInvokeReference("String s= (String) mh.invoke()"); |
| |
| assertInvokeUnresolved(elem); |
| |
| String lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke()"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke()"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PRE_RETURNTYPE | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "Object invoke()"); |
| } |
| |
| @Test |
| public void testMethodLabelPolymorphicSignatureReference1() throws Exception { |
| IJavaElement elem= createInvokeReference("mh.invoke(1)"); |
| |
| assertInvokeUnresolved(elem); |
| |
| String lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(int)"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(int)"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PRE_RETURNTYPE | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "void invoke(int arg00)"); |
| } |
| |
| @Test |
| public void testMethodLabelPolymorphicSignatureReference1Array() throws Exception { |
| IJavaElement elem= createInvokeReference("mh.invoke(new Object[42])"); |
| |
| assertInvokeUnresolved(elem); |
| |
| String lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(Object[])"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(Object[])"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PRE_RETURNTYPE | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "void invoke(Object[] arg00)"); |
| } |
| |
| @Test |
| public void testMethodLabelPolymorphicSignatureReference2() throws Exception { |
| IJavaElement elem= createInvokeReference("mh.invoke('a', new Integer[0][])"); |
| |
| assertInvokeUnresolved(elem); |
| |
| String lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(char, Integer[][])"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(char, Integer[][])"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PRE_RETURNTYPE | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "void invoke(char arg00, Integer[][] arg01)"); |
| } |
| |
| @Test |
| public void testMethodLabelPolymorphicSignatureReference3Ret() throws Exception { |
| IJavaElement elem= createInvokeReference("long l= (long) mh.invoke('a', new java.util.ArrayList<String>(), null)"); |
| |
| assertInvokeUnresolved(elem); |
| |
| String lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(char, ArrayList, Void)"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "invoke(char, ArrayList, Void)"); |
| |
| lab= JavaElementLabels.getTextLabel(elem, JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES | JavaElementLabels.M_PRE_RETURNTYPE | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "Object invoke(char arg00, ArrayList arg01, Void arg02)"); |
| } |
| |
| @Test |
| public void testTypeLabelLambda1() throws Exception { |
| |
| IPackageFragmentRoot sourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src"); |
| |
| IPackageFragment pack1= sourceFolder.createPackageFragment("org.test", false, null); |
| StringBuilder buf= new StringBuilder(); |
| buf.append("package org.test;\n"); |
| buf.append("import java.util.function.IntConsumer;\n"); |
| buf.append("public class C {\n"); |
| buf.append(" IntConsumer c = (i) -> { };\n"); |
| buf.append("}\n"); |
| String content= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("C.java", content, false, null); |
| |
| IJavaElement[] elems= cu.codeSelect(content.lastIndexOf("i"), 1); |
| IJavaElement i= elems[0]; |
| String lab= JavaElementLabels.getTextLabel(i, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.ALL_FULLY_QUALIFIED); |
| assertEqualString(lab, "org.test.C.c.() -> {...} IntConsumer.accept(int).i"); |
| |
| IJavaElement lambdaMethod= i.getParent(); |
| lab= JavaElementLabels.getTextLabel(lambdaMethod, JavaElementLabels.T_FULLY_QUALIFIED |
| | JavaElementLabels.M_POST_QUALIFIED | JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES); |
| assertEqualString(lab, "accept(int i) - org.test.C.c.() -> {...} IntConsumer"); |
| |
| IJavaElement lambdaType= lambdaMethod.getParent(); |
| lab= JavaElementLabels.getTextLabel(lambdaType, JavaElementLabels.T_POST_QUALIFIED); |
| assertEqualString(lab, "() -> {...} IntConsumer - org.test.C.c"); |
| } |
| |
| @Test |
| public void testTypeLabelLambda2() throws Exception { |
| |
| IPackageFragmentRoot sourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src"); |
| |
| IPackageFragment pack1= sourceFolder.createPackageFragment("org.test", false, null); |
| StringBuilder buf= new StringBuilder(); |
| buf.append("package org.test;\n"); |
| buf.append("import java.util.function.Consumer;\n"); |
| buf.append("public class C {\n"); |
| buf.append(" Consumer<String> c = (s) -> { };\n"); |
| buf.append("}\n"); |
| String content= buf.toString(); |
| ICompilationUnit cu= pack1.createCompilationUnit("C.java", content, false, null); |
| |
| IJavaElement[] elems= cu.codeSelect(content.lastIndexOf("s"), 1); |
| IJavaElement i= elems[0]; |
| String lab= JavaElementLabels.getTextLabel(i, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.ALL_FULLY_QUALIFIED); |
| assertEqualString(lab, "org.test.C.c.() -> {...} Consumer.accept(String).s"); |
| |
| lab= JavaElementLabels.getTextLabel(i, JavaElementLabels.ALL_DEFAULT | JavaElementLabels.ALL_FULLY_QUALIFIED | JavaElementLabels.USE_RESOLVED); |
| assertEqualString(lab, "org.test.C.c.() -> {...} Consumer.accept(String).s"); |
| |
| IJavaElement lambdaMethod= i.getParent(); |
| lab= JavaElementLabels.getTextLabel(lambdaMethod, JavaElementLabels.T_FULLY_QUALIFIED |
| | JavaElementLabels.M_POST_QUALIFIED | JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.M_PARAMETER_NAMES); |
| assertEqualString(lab, "accept(String s) - org.test.C.c.() -> {...} Consumer"); |
| |
| IJavaElement lambdaType= lambdaMethod.getParent(); |
| lab= JavaElementLabels.getTextLabel(lambdaType, JavaElementLabels.T_POST_QUALIFIED); |
| assertEqualString(lab, "() -> {...} Consumer - org.test.C.c"); |
| } |
| |
| } |
