| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8136421 |
| * @requires vm.jvmci |
| * @library / /test/lib |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.org.objectweb.asm.tree |
| * jdk.internal.vm.ci/jdk.vm.ci.hotspot |
| * jdk.internal.vm.ci/jdk.vm.ci.code |
| * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -Djvmci.Compiler=null |
| * compiler.jvmci.compilerToVM.ResolveMethodTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import compiler.jvmci.common.testcases.AbstractClass; |
| import compiler.jvmci.common.testcases.AbstractClassExtender; |
| import compiler.jvmci.common.testcases.MultipleImplementer1; |
| import compiler.jvmci.common.testcases.MultipleImplementer2; |
| import compiler.jvmci.common.testcases.MultipleImplementersInterface; |
| import compiler.jvmci.common.testcases.SingleImplementer; |
| import compiler.jvmci.common.testcases.SingleImplementerInterface; |
| import compiler.jvmci.common.testcases.SingleSubclass; |
| import compiler.jvmci.common.testcases.SingleSubclassedClass; |
| import jdk.internal.misc.Unsafe; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.Utils; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
| import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class ResolveMethodTest { |
| private static final Unsafe UNSAFE = Unsafe.getUnsafe(); |
| |
| public static void main(String args[]) { |
| ResolveMethodTest test = new ResolveMethodTest(); |
| // positive cases |
| try { |
| for (TestCase tcase: createTestCases()) { |
| test.runTest(tcase); |
| } |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG: can't find requested method", e); |
| } |
| } |
| |
| private static Set<TestCase> createTestCases() { |
| Set<TestCase> result = new HashSet<>(); |
| // a usual class public method |
| result.add(new TestCase(SingleSubclass.class, SingleSubclass.class, |
| "usualMethod", ResolveMethodTest.class, true)); |
| // an array method |
| result.add(new TestCase(int[].class, Object.class, "toString", |
| ResolveMethodTest.class, true)); |
| // a method from base class, which was overriden in tested one |
| result.add(new TestCase(SingleSubclass.class, SingleSubclass.class, |
| "overridenMethod", ResolveMethodTest.class, true)); |
| // a method from base class, which was not overriden in tested one |
| result.add(new TestCase(SingleSubclass.class, |
| SingleSubclassedClass.class, "inheritedMethod", |
| ResolveMethodTest.class, true)); |
| /* a method from base class, which was overriden in tested one with |
| base class as holder */ |
| result.add(new TestCase(SingleSubclass.class, |
| SingleSubclassedClass.class, "overridenMethod", |
| ResolveMethodTest.class, true)); |
| // an interface method |
| result.add(new TestCase(SingleImplementer.class, |
| SingleImplementerInterface.class, "interfaceMethod", |
| ResolveMethodTest.class, true)); |
| // an interface default method overriden in implementer |
| result.add(new TestCase(MultipleImplementer1.class, |
| MultipleImplementersInterface.class, "defaultMethod", |
| ResolveMethodTest.class, true)); |
| // an interface default method not overriden in implementer |
| result.add(new TestCase(MultipleImplementer2.class, |
| MultipleImplementersInterface.class, "defaultMethod", |
| ResolveMethodTest.class, true)); |
| // an abstract method |
| result.add(new TestCase(AbstractClassExtender.class, AbstractClass.class, |
| "abstractMethod", ResolveMethodTest.class, true)); |
| // private method with right accessor |
| result.add(new TestCase(SingleSubclass.class, SingleSubclass.class, |
| "privateMethod", SingleSubclass.class, true)); |
| // package-private method with right accessor |
| result.add(new TestCase(SingleSubclass.class, SingleSubclass.class, |
| "defaultAccessMethod", SingleSubclass.class, true)); |
| |
| // negative cases |
| |
| // private method of another class |
| result.add(new TestCase(SingleSubclass.class, SingleSubclass.class, |
| "privateMethod", ResolveMethodTest.class, false)); |
| // package-private method from another package |
| result.add(new TestCase(SingleSubclass.class, SingleSubclass.class, |
| "defaultAccessMethod", ResolveMethodTest.class, false)); |
| return result; |
| } |
| |
| private void runTest(TestCase tcase) throws NoSuchMethodException { |
| System.out.println(tcase); |
| HotSpotResolvedJavaMethod metaspaceMethod = CTVMUtilities |
| .getResolvedMethod(tcase.holder, |
| tcase.holder.getDeclaredMethod(tcase.methodName)); |
| HotSpotResolvedObjectType holderMetaspace = CompilerToVMHelper |
| .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.holder), |
| getClass(), /* resolve = */ true); |
| HotSpotResolvedObjectType callerMetaspace = CompilerToVMHelper |
| .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.caller), |
| getClass(), /* resolve = */ true); |
| HotSpotResolvedObjectType receiverMetaspace = CompilerToVMHelper |
| .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.receiver), |
| getClass(), /* resolve = */ true); |
| |
| // Can only resolve methods on a linked class so force initialization |
| receiverMetaspace.initialize(); |
| HotSpotResolvedJavaMethod resolvedMetaspaceMethod |
| = CompilerToVMHelper.resolveMethod(receiverMetaspace, |
| metaspaceMethod, callerMetaspace); |
| if (tcase.isPositive) { |
| Asserts.assertNotNull(resolvedMetaspaceMethod, |
| "Unexpected null resolved method value for " |
| + tcase.methodName); |
| Asserts.assertEQ(metaspaceMethod.getName(), tcase.methodName, |
| "Reflection and c2vm method names doesn't match"); |
| } else { |
| Asserts.assertNull(resolvedMetaspaceMethod, |
| "Method unexpectedly resolved"); |
| } |
| } |
| |
| private static class TestCase { |
| public final Class<?> receiver; |
| public final Class<?> holder; |
| public final Class<?> caller; |
| public final String methodName; |
| public final boolean isPositive; |
| |
| public TestCase(Class<?> recv, Class<?> holder, String methodName, |
| Class<?> caller, boolean isPositive) { |
| this.receiver = recv; |
| this.holder = holder; |
| this.caller = caller; |
| this.methodName = methodName; |
| this.isPositive = isPositive; |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("CASE: receiver=%s, holder=%s, method=%s," |
| + "caller=%s, isPositive=%s%n", receiver.getName(), |
| holder.getName(), methodName, caller.getName(), isPositive); |
| } |
| } |
| } |