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.arch != "aarch64" 28 * @library / /testlibrary /../../test/lib 29 * @compile ../common/CompilerToVMHelper.java 30 * @build compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest 31 * @run main ClassFileInstaller 32 * jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions 34 * -XX:+EnableJVMCI compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest 35 */ 36 37 package compiler.jvmci.compilerToVM; 38 39 import compiler.jvmci.common.testcases.MultipleImplementer1; 40 import compiler.jvmci.common.testcases.SingleImplementer; 41 import compiler.jvmci.common.testcases.SingleSubclass; 42 import compiler.jvmci.common.CTVMUtilities; 43 import compiler.jvmci.common.testcases.SingleImplementerInterface; 44 import java.lang.reflect.Method; 45 import java.util.HashSet; 46 import java.util.Set; 47 import jdk.vm.ci.hotspot.CompilerToVMHelper; 48 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; 49 import jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl; 50 import jdk.test.lib.Asserts; 51 import jdk.test.lib.Utils; 52 53 public class FindUniqueConcreteMethodTest { 54 public static void main(String args[]) { 55 FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest(); 56 try { 57 for (TestCase tcase : createTestCases()) { 58 test.runTest(tcase); 59 } 60 } catch (NoSuchMethodException e) { 61 throw new Error("TEST BUG: can't find method", e); 62 } 63 } 64 65 private static Set<TestCase> createTestCases() { 66 Set<TestCase> result = new HashSet<>(); 67 // a public method 68 result.add(new TestCase(true, SingleSubclass.class, 69 SingleSubclass.class, "usualMethod")); 70 // overriden method 71 result.add(new TestCase(true, SingleSubclass.class, 72 SingleSubclass.class, "overridenMethod")); 73 // private method 74 result.add(new TestCase(true, SingleSubclass.class, 75 SingleSubclass.class, "privateMethod")); 76 // protected method 77 result.add(new TestCase(true, SingleSubclass.class, 78 SingleSubclass.class, "protectedMethod")); 79 // default(package-private) method 80 result.add(new TestCase(true, SingleSubclass.class, 81 SingleSubclass.class, "defaultAccessMethod")); 82 // default interface method redefined in implementer 83 result.add(new TestCase(true, MultipleImplementer1.class, 84 MultipleImplementer1.class, "defaultMethod")); 85 // interface method 86 result.add(new TestCase(true, MultipleImplementer1.class, 87 MultipleImplementer1.class, "testMethod")); 88 // default interface method not redefined in implementer 89 result.add(new TestCase(true, SingleImplementer.class, 90 SingleImplementerInterface.class, "defaultMethod")); 91 // static method 92 result.add(new TestCase(false, SingleSubclass.class, 93 SingleSubclass.class, "staticMethod")); 94 return result; 95 } 96 97 private void runTest(TestCase tcase) throws NoSuchMethodException { 98 System.out.println(tcase); 99 Method method = tcase.holder.getDeclaredMethod(tcase.methodName); 100 HotSpotResolvedJavaMethodImpl testMethod = CTVMUtilities 101 .getResolvedMethod(tcase.reciever, method); 102 HotSpotResolvedObjectTypeImpl resolvedType = CompilerToVMHelper 103 .lookupType(Utils.toJVMTypeSignature(tcase.reciever), getClass(), 104 /* resolve = */ true); 105 HotSpotResolvedJavaMethodImpl concreteMethod = CompilerToVMHelper 106 .findUniqueConcreteMethod(resolvedType, testMethod); 107 Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null, 108 "Unexpected concrete method for " + tcase.methodName); 109 } 110 111 private static class TestCase { 112 public final Class<?> reciever; 113 public final Class<?> holder; 114 public final String methodName; 115 public final boolean isPositive; 116 117 public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder, 118 String methodName) { 119 this.reciever = clazz; 120 this.methodName = methodName; 121 this.isPositive = isPositive; 122 this.holder = holder; 123 } 124 125 @Override 126 public String toString() { 127 return String.format("CASE: reciever=%s, holder=%s, method=%s," 128 + " isPositive=%s", reciever.getName(), 129 holder.getName(), methodName, isPositive); 130 } 131 } 132 }