1 /* 2 * Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 28 * @library / /testlibrary /test/lib 29 * @library ../common/patches 30 * @modules jdk.vm.ci/jdk.vm.ci.hotspot 31 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 32 * @build compiler.jvmci.compilerToVM.HasFinalizableSubclassTest 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 java.util.HashSet; 46 import java.util.Set; 47 import java.util.stream.Stream; 48 import jdk.vm.ci.hotspot.CompilerToVMHelper; 49 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 50 import jdk.test.lib.Asserts; 51 import jdk.test.lib.Utils; 52 53 public class HasFinalizableSubclassTest { 54 public static void main(String args[]) { 55 HasFinalizableSubclassTest test = new HasFinalizableSubclassTest(); 56 for (TestCase tcase : createTestCases()) { 57 test.runTest(tcase); 58 } 59 } 60 61 private static Set<TestCase> createTestCases() { 62 Stream.of( 63 AbstractClassExtender.class, 64 SingleImplementerInterface.class, 65 MultipleImplementersInterface.class, 66 MultipleImplementer1.class, 67 DoNotImplementInterface.class) 68 .forEach(Utils::ensureClassIsLoaded); 69 Set<TestCase> result = new HashSet<>(); 70 // iface with finalize method 71 result.add(new TestCase(SingleImplementerInterface.class, false)); 72 // iface with default finalize method 73 result.add(new TestCase(MultipleImplementersInterface.class, false)); 74 // class which implements iface w/ default finalize method 75 result.add(new TestCase(MultipleImplementer1.class, true)); 76 // abstract class with finalizeable subclass 77 result.add(new TestCase(AbstractClass.class, true)); 78 // non-implemented iface 79 result.add(new TestCase(DoNotImplementInterface.class, false)); 80 return result; 81 } 82 83 private void runTest(TestCase tcase) { 84 System.out.println(tcase); 85 HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper 86 .lookupType(Utils.toJVMTypeSignature(tcase.aClass), 87 getClass(), /* resolve = */ true); 88 Asserts.assertEQ(tcase.expected, 89 CompilerToVMHelper.hasFinalizableSubclass(metaspaceKlass), 90 "Unexpected finalizableSubclass state for " 91 + tcase.aClass.getName()); 92 } 93 94 private static class TestCase { 95 public final Class<?> aClass; 96 public final boolean expected; 97 98 public TestCase(Class<?> clazz, boolean expected) { 99 this.aClass = clazz; 100 this.expected = expected; 101 } 102 @Override 103 public String toString() { 104 return "CASE: class= " + aClass.getName() + ", expected=" + expected; 105 } 106 } 107 }