| /* |
| * 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.GetVtableIndexForInterfaceTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import compiler.jvmci.common.testcases.AbstractClass; |
| import compiler.jvmci.common.testcases.AnotherSingleImplementer; |
| import compiler.jvmci.common.testcases.AnotherSingleImplementerInterface; |
| import compiler.jvmci.common.testcases.DoNotExtendClass; |
| import compiler.jvmci.common.testcases.MultipleAbstractImplementer; |
| import compiler.jvmci.common.testcases.MultipleImplementersInterface; |
| import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender; |
| 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.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.lang.reflect.Method; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.stream.Stream; |
| |
| public class GetVtableIndexForInterfaceTest { |
| private static final int INVALID_VTABLE_INDEX = -4; // see method.hpp: VtableIndexFlag |
| |
| public static void main(String args[]) { |
| GetVtableIndexForInterfaceTest test |
| = new GetVtableIndexForInterfaceTest(); |
| 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<>(); |
| Stream.of( |
| AbstractClass.class, |
| SingleImplementer.class, |
| SingleImplementerInterface.class, |
| MultipleImplementersInterface.class, |
| MultipleImplementersInterfaceExtender.class, |
| SingleSubclass.class, |
| SingleSubclassedClass.class, |
| DoNotExtendClass.class, |
| MultipleAbstractImplementer.class |
| ) |
| .forEach(Utils::ensureClassIsLoaded); |
| // non iface method |
| result.add(new TestCase(SingleImplementer.class, |
| SingleImplementer.class, "nonInterfaceMethod", |
| false, InternalError.class)); |
| // iface method w/o default implementation |
| result.add(new TestCase(SingleImplementer.class, |
| SingleImplementerInterface.class, "interfaceMethod", false)); |
| /* another iface which provides default implementation for the |
| original iface*/ |
| result.add(new TestCase(MultipleImplementersInterfaceExtender.class, |
| MultipleImplementersInterface.class, "testMethod", false, |
| InternalError.class)); |
| // iface method w/ default implementation |
| result.add(new TestCase(SingleImplementer.class, |
| SingleImplementerInterface.class, "defaultMethod", true)); |
| // non iface class |
| result.add(new TestCase(SingleSubclass.class, |
| SingleSubclassedClass.class, "inheritedMethod", false, |
| InternalError.class)); |
| // class not implementing iface |
| result.add(new TestCase(DoNotExtendClass.class, |
| SingleImplementerInterface.class, "defaultMethod", false)); |
| // abstract class which doesn't implement iface |
| result.add(new TestCase(AbstractClass.class, |
| SingleImplementerInterface.class, "defaultMethod", false)); |
| // abstract class which implements iface |
| result.add(new TestCase(MultipleAbstractImplementer.class, |
| MultipleImplementersInterface.class, "defaultMethod", true)); |
| // class not initialized |
| result.add(new TestCase(AnotherSingleImplementer.class, |
| AnotherSingleImplementerInterface.class, "defaultMethod", |
| false, InternalError.class)); |
| return result; |
| } |
| |
| private void runTest(TestCase tcase) throws NoSuchMethodException { |
| System.out.println(tcase); |
| Method method = tcase.holder.getDeclaredMethod(tcase.methodName); |
| HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper |
| .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.receiver), |
| getClass(), /* resolve = */ true); |
| HotSpotResolvedJavaMethod metaspaceMethod = CTVMUtilities |
| .getResolvedMethod(tcase.holder, method); |
| int index = 0; |
| try { |
| index = CompilerToVMHelper |
| .getVtableIndexForInterfaceMethod(metaspaceKlass, |
| metaspaceMethod); |
| } catch (Throwable t) { |
| if (tcase.isPositive || tcase.expectedException == null) { |
| throw new Error("Caught unexpected exception " + t); |
| } |
| if (!tcase.expectedException.equals(t.getClass())) { |
| throw new Error(String.format("Caught %s while expected %s", |
| t.getClass().getName(), |
| tcase.expectedException.getName())); |
| } |
| return; |
| } |
| if (tcase.expectedException != null) { |
| throw new AssertionError("Expected exception wasn't caught: " |
| + tcase.expectedException.getName()); |
| } |
| if (tcase.isPositive) { |
| Asserts.assertNE(index, INVALID_VTABLE_INDEX, |
| "Unexpected: got invalid index"); |
| } else { |
| Asserts.assertEQ(index, INVALID_VTABLE_INDEX, |
| "Unexpected: got valid index "); |
| } |
| } |
| |
| private static class TestCase { |
| public final Class<?> receiver; |
| public final Class<?> holder; |
| public final String methodName; |
| public final boolean isPositive; |
| public final Class<? extends Throwable> expectedException; |
| |
| public TestCase(Class<?> receiver, Class<?> holder, String methodName, |
| boolean isPositive, |
| Class<? extends Throwable> expectedException) { |
| this.receiver = receiver; |
| this.holder = holder; |
| this.methodName = methodName; |
| this.isPositive = isPositive; |
| this.expectedException = expectedException; |
| } |
| |
| public TestCase(Class<?> receiver, Class<?> holder, String methodName, |
| boolean isPositive) { |
| this(receiver, holder, methodName, isPositive, null); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("CASE: receiver=%s, holder=%s, method=%s," |
| + " isPositive=%s%n", receiver.getName(), holder.getName(), |
| methodName, isPositive); |
| } |
| } |
| } |