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.vm.ci/jdk.vm.ci.hotspot 32 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 34 * compiler.jvmci.compilerToVM.GetClassInitializerTest 35 */ 36 37 package compiler.jvmci.compilerToVM; 38 39 import compiler.jvmci.common.testcases.AbstractClass; 40 import compiler.jvmci.common.testcases.AbstractClassExtender; 41 import compiler.jvmci.common.testcases.DoNotExtendClass; 42 import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender; 43 import compiler.jvmci.common.testcases.SingleImplementer; 44 import compiler.jvmci.common.testcases.SingleImplementerInterface; 45 import jdk.test.lib.Asserts; 46 import jdk.test.lib.Utils; 47 import jdk.vm.ci.hotspot.CompilerToVMHelper; 48 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 49 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 50 51 import java.util.HashSet; 52 import java.util.Set; 53 54 public class GetClassInitializerTest { 55 56 public static void main(String args[]) { 57 GetClassInitializerTest test = new GetClassInitializerTest(); 58 for (TestCase tcase : createTestCases()) { 59 test.runTest(tcase); 60 } 61 } 62 63 private static Set<TestCase> createTestCases() { 64 Set<TestCase> result = new HashSet<>(); 65 // a simple class with initializer 66 result.add(new TestCase(SingleImplementer.class, true)); 67 // an interface with initializer 68 result.add(new TestCase(SingleImplementerInterface.class, true)); 69 // an abstract class with initializer 70 result.add(new TestCase(AbstractClass.class, true)); 71 // a class without initializer, extending class with initializer 72 result.add(new TestCase(AbstractClassExtender.class, false)); 73 // an interface without initializer 74 result.add(new TestCase(MultipleImplementersInterfaceExtender.class, false)); 75 // a class without initializer 76 result.add(new TestCase(DoNotExtendClass.class, false)); 77 return result; 78 } 79 80 private void runTest(TestCase tcase) { 81 System.out.println(tcase); 82 String className = tcase.holder.getName(); 83 HotSpotResolvedObjectType resolvedClazz = CompilerToVMHelper 84 .lookupType(Utils.toJVMTypeSignature(tcase.holder), 85 getClass(), /* resolve = */ true); 86 HotSpotResolvedJavaMethod initializer = CompilerToVMHelper 87 .getClassInitializer(resolvedClazz); 88 if (tcase.isPositive) { 89 Asserts.assertNotNull(initializer, "Couldn't get initializer for " 90 + className); 91 Asserts.assertEQ(initializer.getName(), "<clinit>", 92 "Unexpected initializer name for " + className); 93 } else { 94 Asserts.assertNull(initializer, "Unexpected: found initializer for " 95 + className); 96 } 97 } 98 99 private static class TestCase { 100 public final Class<?> holder; 101 public final boolean isPositive; 102 103 public TestCase(Class<?> clazz, boolean isPositive) { 104 this.holder = clazz; 105 this.isPositive = isPositive; 106 } 107 108 @Override 109 public String toString() { 110 return "CASE: clazz=" + holder.getName() 111 + ", isPositive=" + isPositive; 112 } 113 } 114 }