1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8136421 27 * @requires vm.jvmci 28 * @library / /test/lib 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot 32 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 34 * -Djvmci.Compiler=null 35 * compiler.jvmci.compilerToVM.GetClassInitializerTest 36 */ 37 38 package compiler.jvmci.compilerToVM; 39 40 import compiler.jvmci.common.testcases.AbstractClass; 41 import compiler.jvmci.common.testcases.AbstractClassExtender; 42 import compiler.jvmci.common.testcases.DoNotExtendClass; 43 import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender; 44 import compiler.jvmci.common.testcases.SingleImplementer; 45 import compiler.jvmci.common.testcases.SingleImplementerInterface; 46 import jdk.test.lib.Asserts; 47 import jdk.test.lib.Utils; 48 import jdk.vm.ci.hotspot.CompilerToVMHelper; 49 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 50 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 51 52 import java.util.HashSet; 53 import java.util.Set; 54 55 public class GetClassInitializerTest { 56 57 public static void main(String args[]) { 58 GetClassInitializerTest test = new GetClassInitializerTest(); 59 for (TestCase tcase : createTestCases()) { 60 test.runTest(tcase); 61 } 62 } 63 64 private static Set<TestCase> createTestCases() { 65 Set<TestCase> result = new HashSet<>(); 66 // a simple class with initializer 67 result.add(new TestCase(SingleImplementer.class, true)); 68 // an interface with initializer 69 result.add(new TestCase(SingleImplementerInterface.class, true)); 70 // an abstract class with initializer 71 result.add(new TestCase(AbstractClass.class, true)); 72 // a class without initializer, extending class with initializer 73 result.add(new TestCase(AbstractClassExtender.class, false)); 74 // an interface without initializer 75 result.add(new TestCase(MultipleImplementersInterfaceExtender.class, false)); 76 // a class without initializer 77 result.add(new TestCase(DoNotExtendClass.class, false)); 78 return result; 79 } 80 81 private void runTest(TestCase tcase) { 82 System.out.println(tcase); 83 String className = tcase.holder.getName(); 84 HotSpotResolvedObjectType resolvedClazz = CompilerToVMHelper 85 .lookupType(Utils.toJVMTypeSignature(tcase.holder), 86 getClass(), /* resolve = */ true); 87 HotSpotResolvedJavaMethod initializer = CompilerToVMHelper 88 .getClassInitializer(resolvedClazz); 89 if (tcase.isPositive) { 90 Asserts.assertNotNull(initializer, "Couldn't get initializer for " 91 + className); 92 Asserts.assertEQ(initializer.getName(), "<clinit>", 93 "Unexpected initializer name for " + className); 94 } else { 95 Asserts.assertNull(initializer, "Unexpected: found initializer for " 96 + className); 97 } 98 } 99 100 private static class TestCase { 101 public final Class<?> holder; 102 public final boolean isPositive; 103 104 public TestCase(Class<?> clazz, boolean isPositive) { 105 this.holder = clazz; 106 this.isPositive = isPositive; 107 } 108 109 @Override 110 public String toString() { 111 return "CASE: clazz=" + holder.getName() 112 + ", isPositive=" + isPositive; 113 } 114 } 115 }