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 java.base/jdk.internal.org.objectweb.asm 32 * java.base/jdk.internal.org.objectweb.asm.tree 33 * jdk.internal.vm.ci/jdk.vm.ci.hotspot 34 * jdk.internal.vm.ci/jdk.vm.ci.code 35 * jdk.internal.vm.ci/jdk.vm.ci.meta 36 * jdk.internal.vm.ci/jdk.vm.ci.runtime 37 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 38 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 39 * -Djvmci.Compiler=null 40 * compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest 41 */ 42 43 package compiler.jvmci.compilerToVM; 44 45 import compiler.jvmci.common.CTVMUtilities; 46 import compiler.jvmci.common.testcases.DuplicateSimpleSingleImplementerInterface; 47 import compiler.jvmci.common.testcases.SimpleSingleImplementerInterface; 48 import compiler.jvmci.common.testcases.MultipleImplementer1; 49 import compiler.jvmci.common.testcases.MultipleSuperImplementers; 50 import compiler.jvmci.common.testcases.SingleImplementer; 51 import compiler.jvmci.common.testcases.SingleImplementerInterface; 52 import compiler.jvmci.common.testcases.SingleSubclass; 53 import jdk.test.lib.Asserts; 54 import jdk.test.lib.Utils; 55 import jdk.vm.ci.hotspot.CompilerToVMHelper; 56 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 57 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 58 59 import java.lang.reflect.Method; 60 import java.util.HashSet; 61 import java.util.Set; 62 63 public class FindUniqueConcreteMethodTest { 64 public static void main(String args[]) { 65 FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest(); 66 try { 67 for (TestCase tcase : createTestCases()) { 68 test.runTest(tcase); 69 } 70 } catch (NoSuchMethodException e) { 71 throw new Error("TEST BUG: can't find method", e); 72 } 73 } 74 75 private static Set<TestCase> createTestCases() { 76 Set<TestCase> result = new HashSet<>(); 77 // a public method 78 result.add(new TestCase(true, SingleSubclass.class, "usualMethod")); 79 // overriden method 80 result.add(new TestCase(true, SingleSubclass.class, "overridenMethod")); 81 // private method 82 result.add(new TestCase(true, SingleSubclass.class, "privateMethod")); 83 // protected method 84 result.add(new TestCase(true, SingleSubclass.class, "protectedMethod")); 85 // default(package-private) method 86 result.add(new TestCase(true, SingleSubclass.class, "defaultAccessMethod")); 87 // default interface method redefined in implementer 88 result.add(new TestCase(true, MultipleImplementer1.class, "defaultMethod")); 89 // interface method 90 result.add(new TestCase(true, MultipleImplementer1.class, "testMethod")); 91 // default interface method not redefined in implementer 92 // result.add(new TestCase(true, SingleImplementer.class, 93 // SingleImplementerInterface.class, "defaultMethod")); 94 // static method 95 result.add(new TestCase(false, SingleSubclass.class, "staticMethod")); 96 // interface method 97 result.add(new TestCase(false, MultipleSuperImplementers.class, 98 DuplicateSimpleSingleImplementerInterface.class, "interfaceMethod")); 99 result.add(new TestCase(false, MultipleSuperImplementers.class, 100 SimpleSingleImplementerInterface.class, "interfaceMethod")); 101 return result; 102 } 103 104 private void runTest(TestCase tcase) throws NoSuchMethodException { 105 System.out.println(tcase); 106 Method method = tcase.holder.getDeclaredMethod(tcase.methodName); 107 HotSpotResolvedJavaMethod testMethod = CTVMUtilities.getResolvedMethod(method); 108 109 HotSpotResolvedObjectType resolvedType = CompilerToVMHelper 110 .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.receiver), getClass(), 111 /* resolve = */ true); 112 HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper 113 .findUniqueConcreteMethod(resolvedType, testMethod); 114 Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null, 115 "Unexpected concrete method for " + tcase.methodName); 116 } 117 118 private static class TestCase { 119 public final Class<?> receiver; 120 public final Class<?> holder; 121 public final String methodName; 122 public final boolean isPositive; 123 124 public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder, 125 String methodName) { 126 this.receiver = clazz; 127 this.methodName = methodName; 128 this.isPositive = isPositive; 129 this.holder = holder; 130 } 131 132 public TestCase(boolean isPositive, Class<?> clazz, String methodName) { 133 this(isPositive, clazz, clazz, methodName); 134 } 135 136 @Override 137 public String toString() { 138 return String.format("CASE: receiver=%s, holder=%s, method=%s, isPositive=%s", 139 receiver.getName(), holder.getName(), methodName, isPositive); 140 } 141 } 142 }