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 * compiler.jvmci.compilerToVM.HasFinalizableSubclassTest 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.DoNotImplementInterface; 42 import compiler.jvmci.common.testcases.MultipleImplementer1; 43 import compiler.jvmci.common.testcases.MultipleImplementersInterface; 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.HotSpotResolvedObjectType; 49 50 import java.util.HashSet; 51 import java.util.Set; 52 import java.util.stream.Stream; 53 54 public class HasFinalizableSubclassTest { 55 public static void main(String args[]) { 56 HasFinalizableSubclassTest test = new HasFinalizableSubclassTest(); 57 for (TestCase tcase : createTestCases()) { 58 test.runTest(tcase); 59 } 60 } 61 62 private static Set<TestCase> createTestCases() { 63 Stream.of( 64 AbstractClassExtender.class, 65 SingleImplementerInterface.class, 66 MultipleImplementersInterface.class, 67 MultipleImplementer1.class, 68 DoNotImplementInterface.class) 69 .forEach(Utils::ensureClassIsLoaded); 70 Set<TestCase> result = new HashSet<>(); 71 // iface with finalize method 72 result.add(new TestCase(SingleImplementerInterface.class, false)); 73 // iface with default finalize method 74 result.add(new TestCase(MultipleImplementersInterface.class, false)); 75 // class which implements iface w/ default finalize method 76 result.add(new TestCase(MultipleImplementer1.class, true)); 77 // abstract class with finalizeable subclass 78 result.add(new TestCase(AbstractClass.class, true)); 79 // non-implemented iface 80 result.add(new TestCase(DoNotImplementInterface.class, false)); 81 return result; 82 } 83 84 private void runTest(TestCase tcase) { 85 System.out.println(tcase); 86 HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper 87 .lookupType(Utils.toJVMTypeSignature(tcase.aClass), 88 getClass(), /* resolve = */ true); 89 Asserts.assertEQ(tcase.expected, 90 CompilerToVMHelper.hasFinalizableSubclass(metaspaceKlass), 91 "Unexpected finalizableSubclass state for " 92 + tcase.aClass.getName()); 93 } 94 95 private static class TestCase { 96 public final Class<?> aClass; 97 public final boolean expected; 98 99 public TestCase(Class<?> clazz, boolean expected) { 100 this.aClass = clazz; 101 this.expected = expected; 102 } 103 @Override 104 public String toString() { 105 return "CASE: class= " + aClass.getName() + ", expected=" + expected; 106 } 107 } 108 }