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 (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.code 33 * jdk.vm.ci.hotspot/jdk.vm.ci.hotspot 34 * @build jdk.vm.ci.hotspot/jdk.vm.ci.hotspot.CompilerToVMHelper 35 * @build compiler.jvmci.compilerToVM.GetVtableIndexForInterfaceTest 36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 37 * compiler.jvmci.compilerToVM.GetVtableIndexForInterfaceTest 38 */ 39 40 package compiler.jvmci.compilerToVM; 41 42 import compiler.jvmci.common.testcases.AbstractClass; 43 import compiler.jvmci.common.testcases.DoNotExtendClass; 44 import compiler.jvmci.common.testcases.MultipleAbstractImplementer; 45 import compiler.jvmci.common.testcases.MultipleImplementersInterface; 46 import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender; 47 import compiler.jvmci.common.testcases.SingleImplementer; 48 import compiler.jvmci.common.testcases.SingleImplementerInterface; 49 import compiler.jvmci.common.testcases.SingleSubclass; 50 import compiler.jvmci.common.testcases.SingleSubclassedClass; 51 import compiler.jvmci.common.CTVMUtilities; 52 import compiler.jvmci.common.testcases.AnotherSingleImplementer; 53 import compiler.jvmci.common.testcases.AnotherSingleImplementerInterface; 54 import java.lang.reflect.Method; 55 import java.util.HashSet; 56 import java.util.Set; 57 import java.util.stream.Stream; 58 import jdk.vm.ci.hotspot.CompilerToVMHelper; 59 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 60 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 61 import jdk.test.lib.Asserts; 62 import jdk.test.lib.Utils; 63 64 public class GetVtableIndexForInterfaceTest { 65 private static final int INVALID_VTABLE_INDEX = -4; // see method.hpp: VtableIndexFlag 66 67 public static void main(String args[]) { 68 GetVtableIndexForInterfaceTest test 69 = new GetVtableIndexForInterfaceTest(); 70 try { 71 for (TestCase tcase : createTestCases()) { 72 test.runTest(tcase); 73 } 74 } catch (NoSuchMethodException e) { 75 throw new Error("TEST BUG: can't find requested method", e); 76 } 77 } 78 79 private static Set<TestCase> createTestCases() { 80 Set<TestCase> result = new HashSet<>(); 81 Stream.of( 82 AbstractClass.class, 83 SingleImplementer.class, 84 SingleImplementerInterface.class, 85 MultipleImplementersInterface.class, 86 MultipleImplementersInterfaceExtender.class, 87 SingleSubclass.class, 88 SingleSubclassedClass.class, 89 DoNotExtendClass.class, 90 MultipleAbstractImplementer.class 91 ) 92 .forEach(Utils::ensureClassIsLoaded); 93 // non iface method 94 result.add(new TestCase(SingleImplementer.class, 95 SingleImplementer.class, "nonInterfaceMethod", 96 false, InternalError.class)); 97 // iface method w/o default implementation 98 result.add(new TestCase(SingleImplementer.class, 99 SingleImplementerInterface.class, "interfaceMethod", false)); 100 /* another iface which provides default implementation for the 101 original iface*/ 102 result.add(new TestCase(MultipleImplementersInterfaceExtender.class, 103 MultipleImplementersInterface.class, "testMethod", false, 104 InternalError.class)); 105 // iface method w/ default implementation 106 result.add(new TestCase(SingleImplementer.class, 107 SingleImplementerInterface.class, "defaultMethod", true)); 108 // non iface class 109 result.add(new TestCase(SingleSubclass.class, 110 SingleSubclassedClass.class, "inheritedMethod", false, 111 InternalError.class)); 112 // class not implementing iface 113 result.add(new TestCase(DoNotExtendClass.class, 114 SingleImplementerInterface.class, "defaultMethod", false)); 115 // abstract class which doesn't implement iface 116 result.add(new TestCase(AbstractClass.class, 117 SingleImplementerInterface.class, "defaultMethod", false)); 118 // abstract class which implements iface 119 result.add(new TestCase(MultipleAbstractImplementer.class, 120 MultipleImplementersInterface.class, "defaultMethod", true)); 121 // class not initialized 122 result.add(new TestCase(AnotherSingleImplementer.class, 123 AnotherSingleImplementerInterface.class, "defaultMethod", 124 false, InternalError.class)); 125 return result; 126 } 127 128 private void runTest(TestCase tcase) throws NoSuchMethodException { 129 System.out.println(tcase); 130 Method method = tcase.holder.getDeclaredMethod(tcase.methodName); 131 HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper 132 .lookupType(Utils.toJVMTypeSignature(tcase.receiver), 133 getClass(), /* resolve = */ true); 134 HotSpotResolvedJavaMethod metaspaceMethod = CTVMUtilities 135 .getResolvedMethod(tcase.holder, method); 136 int index = 0; 137 try { 138 index = CompilerToVMHelper 139 .getVtableIndexForInterfaceMethod(metaspaceKlass, 140 metaspaceMethod); 141 } catch (Throwable t) { 142 if (tcase.isPositive || tcase.expectedException == null) { 143 throw new Error("Caught unexpected exception " + t); 144 } 145 if (!tcase.expectedException.equals(t.getClass())) { 146 throw new Error(String.format("Caught %s while expected %s", 147 t.getClass().getName(), 148 tcase.expectedException.getName())); 149 } 150 return; 151 } 152 if (tcase.expectedException != null) { 153 throw new AssertionError("Expected exception wasn't caught: " 154 + tcase.expectedException.getName()); 155 } 156 if (tcase.isPositive) { 157 Asserts.assertNE(index, INVALID_VTABLE_INDEX, 158 "Unexpected: got invalid index"); 159 } else { 160 Asserts.assertEQ(index, INVALID_VTABLE_INDEX, 161 "Unexpected: got valid index "); 162 } 163 } 164 165 private static class TestCase { 166 public final Class<?> receiver; 167 public final Class<?> holder; 168 public final String methodName; 169 public final boolean isPositive; 170 public final Class<? extends Throwable> expectedException; 171 172 public TestCase(Class<?> receiver, Class<?> holder, String methodName, 173 boolean isPositive, 174 Class<? extends Throwable> expectedException) { 175 this.receiver = receiver; 176 this.holder = holder; 177 this.methodName = methodName; 178 this.isPositive = isPositive; 179 this.expectedException = expectedException; 180 } 181 182 public TestCase(Class<?> receiver, Class<?> holder, String methodName, 183 boolean isPositive) { 184 this(receiver, holder, methodName, isPositive, null); 185 } 186 187 @Override 188 public String toString() { 189 return String.format("CASE: receiver=%s, holder=%s, method=%s," 190 + " isPositive=%s%n", receiver.getName(), holder.getName(), 191 methodName, isPositive); 192 } 193 } 194 }