RuntimeParameterAnnotationsForLambdaTest.java revision 3294:9adfb22ff08f
1141296Sdas/* 2141296Sdas * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 32116Sjkh * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 42116Sjkh * 52116Sjkh * This code is free software; you can redistribute it and/or modify it 62116Sjkh * under the terms of the GNU General Public License version 2 only, as 7141296Sdas * published by the Free Software Foundation. 82116Sjkh * 9141296Sdas * This code is distributed in the hope that it will be useful, but WITHOUT 102116Sjkh * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 112116Sjkh * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 122116Sjkh * version 2 for more details (a copy is included in the LICENSE file that 132116Sjkh * accompanied this code). 14176451Sdas * 15176451Sdas * You should have received a copy of the GNU General Public License version 162116Sjkh * 2 along with this work; if not, write to the Free Software Foundation, 17219360Sdas * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18219360Sdas * 192116Sjkh * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 202116Sjkh * or visit www.oracle.com if you need additional information or have any 212116Sjkh * questions. 222116Sjkh */ 23219360Sdas 242116Sjkh/* 252116Sjkh * @test 262116Sjkh * @bug 8044411 8079060 8138612 27219360Sdas * @summary Tests the RuntimeParameterVisibleAnnotations/RuntimeParameterInvisibleAnnotations attribute. 28219360Sdas * @modules jdk.jdeps/com.sun.tools.classfile 292116Sjkh * jdk.compiler/com.sun.tools.javac.api 302116Sjkh * jdk.compiler/com.sun.tools.javac.main 312116Sjkh * jdk.jdeps/com.sun.tools.javap 322116Sjkh * @library /tools/lib /tools/javac/lib ../lib 332116Sjkh * @build WorkAnnotations TestBase TestResult InMemoryFileManager ToolBox 3497413Salfred * @build TestCase ClassType TestAnnotationInfo 35117912Speter * @build RuntimeParameterAnnotationsForLambdaTest AnnotationsTestBase RuntimeParameterAnnotationsTestBase 362116Sjkh * @run main RuntimeParameterAnnotationsForLambdaTest 37219360Sdas */ 382116Sjkh 392116Sjkhimport java.util.List; 402116Sjkhimport java.util.stream.Collectors; 412116Sjkh 422116Sjkhimport com.sun.tools.classfile.*; 432116Sjkh 442116Sjkh/** 452116Sjkh * RuntimeParameterAnnotationsForLambdaTest is a test which checks that RuntimeVisibleParameterAnnotationsAttribute 462116Sjkh * and RuntimeInvisibleParameterAnnotationsAttribute are not generated at all for lambda expressions. 472116Sjkh * The test checks both single and repeatable annotations. 482116Sjkh * All possible combinations of retention policies are tested. 492116Sjkh * 502116Sjkh * The test generates source code, compiles it and checks the byte code. 512116Sjkh * 522116Sjkh * See README.txt for more information. 53219360Sdas */ 54219360Sdaspublic class RuntimeParameterAnnotationsForLambdaTest extends RuntimeParameterAnnotationsTestBase { 55219360Sdas 56219360Sdas private static final String CLASS_NAME = "Test"; 57219360Sdas private static final String SOURCE_TEMPLATE = 58219360Sdas "public class " + CLASS_NAME + " {\n" + 59219360Sdas " interface I { void method(int a, double b, String c); }\n" + 60219360Sdas " %SOURCE%\n" + 61219360Sdas "}"; 62219360Sdas 632116Sjkh public static void main(String[] args) throws TestFailedException { 642116Sjkh new RuntimeParameterAnnotationsForLambdaTest().test(); 65 } 66 67 @Override 68 public void test() throws TestFailedException { 69 try { 70 for (TestAnnotationInfos annotations : getAllCombinationsOfAnnotations()) { 71 try { 72 TestCase.TestMethodInfo testMethodInfo = new TestCase.TestMethodInfo(0, null, "lambda", false, false); 73 TestCase.TestParameterInfo p1 = testMethodInfo.addParameter("int", "a"); 74 annotations.annotate(p1); 75 testMethodInfo.addParameter("double", "b"); 76 TestCase.TestParameterInfo p3 = testMethodInfo.addParameter("String", "c"); 77 annotations.annotate(p3); 78 String source = SOURCE_TEMPLATE.replace("%SOURCE%", generateLambdaSource(testMethodInfo)); 79 addTestCase(source); 80 echo("Testing:\n" + source); 81 ClassFile classFile = readClassFile(compile(source).getClasses().get(CLASS_NAME)); 82 boolean isFoundLambda = false; 83 for (Method method : classFile.methods) { 84 if (method.getName(classFile.constant_pool).startsWith("lambda$")) { 85 isFoundLambda = true; 86 testAttributes(testMethodInfo, classFile, method); 87 } 88 } 89 checkTrue(isFoundLambda, "The tested lambda method was not found."); 90 } catch (Exception e) { 91 addFailure(e); 92 } 93 } 94 } finally { 95 checkStatus(); 96 } 97 } 98 99 protected void testAttributes( 100 TestCase.TestMethodInfo testMethod, 101 ClassFile classFile, 102 Method method) throws ConstantPoolException { 103 Attributes attributes = method.attributes; 104 RuntimeParameterAnnotations_attribute attr = (RuntimeParameterAnnotations_attribute) attributes.get(Attribute.RuntimeInvisibleParameterAnnotations); 105 checkNull(attr, String.format("%s should be null", Attribute.RuntimeInvisibleParameterAnnotations)); 106 attr = (RuntimeParameterAnnotations_attribute) attributes.get(Attribute.RuntimeVisibleParameterAnnotations); 107 checkNull(attr, String.format("%s should be null", Attribute.RuntimeVisibleParameterAnnotations)); 108 } 109 110 public String generateLambdaSource(TestCase.TestMethodInfo method) { 111 return method.parameters.stream() 112 .map(TestCase.TestParameterInfo::generateSource) 113 .collect(Collectors.joining(", ", "I i = (", ") -> {};")); 114 } 115 116 @Override 117 public List<TestCase> generateTestCases() { 118 throw new UnsupportedOperationException(); 119 } 120} 121