--- /dev/null 2015-10-08 07:26:52.000000000 -1000 +++ new/test/compiler/jvmci/compilerToVM/ResolveMethodTest.java 2015-10-08 07:26:52.000000000 -1000 @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" + * @library / /testlibrary /../../test/lib + * @compile ../common/CompilerToVMHelper.java + * @build compiler.jvmci.compilerToVM.ResolveMethodTest + * @run main ClassFileInstaller + * jdk.vm.ci.hotspot.CompilerToVMHelper + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions + * -XX:+EnableJVMCI compiler.jvmci.compilerToVM.ResolveMethodTest + */ + +package compiler.jvmci.compilerToVM; + +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 compiler.jvmci.common.CTVMUtilities; +import java.util.HashSet; +import java.util.Set; +import jdk.vm.ci.hotspot.CompilerToVMHelper; +import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; +import jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl; +import jdk.test.lib.Asserts; +import jdk.test.lib.Utils; +import sun.misc.Unsafe; + +public class ResolveMethodTest { + private static final Unsafe UNSAFE = Utils.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 createTestCases() { + Set 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); + HotSpotResolvedJavaMethodImpl metaspaceMethod = CTVMUtilities + .getResolvedMethod(tcase.holder, + tcase.holder.getDeclaredMethod(tcase.methodName)); + HotSpotResolvedObjectTypeImpl holderMetaspace = CompilerToVMHelper + .lookupType(Utils.toJVMTypeSignature(tcase.holder), + getClass(), /* resolve = */ true); + HotSpotResolvedObjectTypeImpl callerMetaspace = CompilerToVMHelper + .lookupType(Utils.toJVMTypeSignature(tcase.caller), + getClass(), /* resolve = */ true); + HotSpotResolvedJavaMethodImpl resolvedMetaspaceMethod + = CompilerToVMHelper.resolveMethod(holderMetaspace, + 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); + } + } +}