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 java.base/jdk.internal.org.objectweb.asm 31 * java.base/jdk.internal.org.objectweb.asm.tree 32 * jdk.vm.ci/jdk.vm.ci.hotspot 33 * jdk.vm.ci/jdk.vm.ci.code 34 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 35 * @build compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest 36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 37 * compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest 38 */ 39 40 package compiler.jvmci.compilerToVM; 41 42 import compiler.jvmci.common.testcases.MultipleImplementer1; 43 import compiler.jvmci.common.testcases.SingleImplementer; 44 import compiler.jvmci.common.testcases.SingleSubclass; 45 import compiler.jvmci.common.CTVMUtilities; 46 import compiler.jvmci.common.testcases.SingleImplementerInterface; 47 import java.lang.reflect.Method; 48 import java.util.HashSet; 49 import java.util.Set; 50 import jdk.vm.ci.hotspot.CompilerToVMHelper; 51 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 52 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 53 import jdk.test.lib.Asserts; 54 import jdk.test.lib.Utils; 55 56 public class FindUniqueConcreteMethodTest { 57 public static void main(String args[]) { 58 FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest(); 59 try { 60 for (TestCase tcase : createTestCases()) { 61 test.runTest(tcase); 62 } 63 } catch (NoSuchMethodException e) { 64 throw new Error("TEST BUG: can't find method", e); 65 } 66 } 67 68 private static Set<TestCase> createTestCases() { 69 Set<TestCase> result = new HashSet<>(); 70 // a public method 71 result.add(new TestCase(true, SingleSubclass.class, 72 SingleSubclass.class, "usualMethod")); 73 // overriden method 74 result.add(new TestCase(true, SingleSubclass.class, 75 SingleSubclass.class, "overridenMethod")); 76 // private method 77 result.add(new TestCase(true, SingleSubclass.class, 78 SingleSubclass.class, "privateMethod")); 79 // protected method 80 result.add(new TestCase(true, SingleSubclass.class, 81 SingleSubclass.class, "protectedMethod")); 82 // default(package-private) method 83 result.add(new TestCase(true, SingleSubclass.class, 84 SingleSubclass.class, "defaultAccessMethod")); 85 // default interface method redefined in implementer 86 result.add(new TestCase(true, MultipleImplementer1.class, 87 MultipleImplementer1.class, "defaultMethod")); 88 // interface method 89 result.add(new TestCase(true, MultipleImplementer1.class, 90 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, 96 SingleSubclass.class, "staticMethod")); 97 return result; 98 } 99 100 private void runTest(TestCase tcase) throws NoSuchMethodException { 101 System.out.println(tcase); 102 Method method = tcase.holder.getDeclaredMethod(tcase.methodName); 103 HotSpotResolvedJavaMethod testMethod = CTVMUtilities 104 .getResolvedMethod(tcase.receiver, method); 105 HotSpotResolvedObjectType resolvedType = CompilerToVMHelper 106 .lookupType(Utils.toJVMTypeSignature(tcase.receiver), getClass(), 107 /* resolve = */ true); 108 HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper 109 .findUniqueConcreteMethod(resolvedType, testMethod); 110 Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null, 111 "Unexpected concrete method for " + tcase.methodName); 112 } 113 114 private static class TestCase { 115 public final Class<?> receiver; 116 public final Class<?> holder; 117 public final String methodName; 118 public final boolean isPositive; 119 120 public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder, 121 String methodName) { 122 this.receiver = clazz; 123 this.methodName = methodName; 124 this.isPositive = isPositive; 125 this.holder = holder; 126 } 127 128 @Override 129 public String toString() { 130 return String.format("CASE: receiver=%s, holder=%s, method=%s," 131 + " isPositive=%s", receiver.getName(), 132 holder.getName(), methodName, isPositive); 133 } 134 } 135 }