190 lines
8.4 KiB
Java
190 lines
8.4 KiB
Java
/*
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8136421
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* @requires vm.jvmci
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* @library / /test/lib
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* @library ../common/patches
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* @modules java.base/jdk.internal.misc
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* @modules java.base/jdk.internal.org.objectweb.asm
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* java.base/jdk.internal.org.objectweb.asm.tree
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* jdk.internal.vm.ci/jdk.vm.ci.hotspot
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* jdk.internal.vm.ci/jdk.vm.ci.code
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* jdk.internal.vm.ci/jdk.vm.ci.meta
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* jdk.internal.vm.ci/jdk.vm.ci.runtime
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*
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* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
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* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
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* -XX:-UseJVMCICompiler
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* compiler.jvmci.compilerToVM.ResolveMethodTest
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*/
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package compiler.jvmci.compilerToVM;
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import compiler.jvmci.common.CTVMUtilities;
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import compiler.jvmci.common.testcases.AbstractClass;
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import compiler.jvmci.common.testcases.AbstractClassExtender;
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import compiler.jvmci.common.testcases.MultipleImplementer1;
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import compiler.jvmci.common.testcases.MultipleImplementer2;
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import compiler.jvmci.common.testcases.MultipleImplementersInterface;
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import compiler.jvmci.common.testcases.SingleImplementer;
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import compiler.jvmci.common.testcases.SingleImplementerInterface;
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import compiler.jvmci.common.testcases.SingleSubclass;
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import compiler.jvmci.common.testcases.SingleSubclassedClass;
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import jdk.internal.misc.Unsafe;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.Utils;
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import jdk.vm.ci.hotspot.CompilerToVMHelper;
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import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
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import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
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import java.util.HashSet;
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import java.util.Set;
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public class ResolveMethodTest {
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private static final Unsafe UNSAFE = Unsafe.getUnsafe();
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public static void main(String args[]) {
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ResolveMethodTest test = new ResolveMethodTest();
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// positive cases
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try {
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for (TestCase tcase: createTestCases()) {
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test.runTest(tcase);
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}
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} catch (NoSuchMethodException e) {
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throw new Error("TEST BUG: can't find requested method", e);
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}
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}
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private static Set<TestCase> createTestCases() {
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Set<TestCase> result = new HashSet<>();
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// a usual class public method
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result.add(new TestCase(SingleSubclass.class, SingleSubclass.class,
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"usualMethod", ResolveMethodTest.class, true));
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// an array method
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result.add(new TestCase(int[].class, Object.class, "toString",
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ResolveMethodTest.class, true));
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// a method from base class, which was overriden in tested one
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result.add(new TestCase(SingleSubclass.class, SingleSubclass.class,
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"overridenMethod", ResolveMethodTest.class, true));
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// a method from base class, which was not overriden in tested one
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result.add(new TestCase(SingleSubclass.class,
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SingleSubclassedClass.class, "inheritedMethod",
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ResolveMethodTest.class, true));
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/* a method from base class, which was overriden in tested one with
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base class as holder */
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result.add(new TestCase(SingleSubclass.class,
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SingleSubclassedClass.class, "overridenMethod",
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ResolveMethodTest.class, true));
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// an interface method
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result.add(new TestCase(SingleImplementer.class,
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SingleImplementerInterface.class, "interfaceMethod",
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ResolveMethodTest.class, true));
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// an interface default method overriden in implementer
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result.add(new TestCase(MultipleImplementer1.class,
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MultipleImplementersInterface.class, "defaultMethod",
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ResolveMethodTest.class, true));
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// an interface default method not overriden in implementer
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result.add(new TestCase(MultipleImplementer2.class,
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MultipleImplementersInterface.class, "defaultMethod",
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ResolveMethodTest.class, true));
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// an abstract method
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result.add(new TestCase(AbstractClassExtender.class, AbstractClass.class,
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"abstractMethod", ResolveMethodTest.class, true));
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// private method with right accessor
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result.add(new TestCase(SingleSubclass.class, SingleSubclass.class,
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"privateMethod", SingleSubclass.class, true));
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// package-private method with right accessor
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result.add(new TestCase(SingleSubclass.class, SingleSubclass.class,
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"defaultAccessMethod", SingleSubclass.class, true));
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// negative cases
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// private method of another class
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result.add(new TestCase(SingleSubclass.class, SingleSubclass.class,
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"privateMethod", ResolveMethodTest.class, false));
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// package-private method from another package
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result.add(new TestCase(SingleSubclass.class, SingleSubclass.class,
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"defaultAccessMethod", ResolveMethodTest.class, false));
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return result;
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}
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private void runTest(TestCase tcase) throws NoSuchMethodException {
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System.out.println(tcase);
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HotSpotResolvedJavaMethod metaspaceMethod = CTVMUtilities
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.getResolvedMethod(tcase.holder,
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tcase.holder.getDeclaredMethod(tcase.methodName));
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HotSpotResolvedObjectType holderMetaspace = CompilerToVMHelper
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.lookupTypeHelper(Utils.toJVMTypeSignature(tcase.holder),
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getClass(), /* resolve = */ true);
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HotSpotResolvedObjectType callerMetaspace = CompilerToVMHelper
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.lookupTypeHelper(Utils.toJVMTypeSignature(tcase.caller),
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getClass(), /* resolve = */ true);
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HotSpotResolvedObjectType receiverMetaspace = CompilerToVMHelper
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.lookupTypeHelper(Utils.toJVMTypeSignature(tcase.receiver),
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getClass(), /* resolve = */ true);
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// Can only resolve methods on a linked class so force initialization
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receiverMetaspace.initialize();
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HotSpotResolvedJavaMethod resolvedMetaspaceMethod
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= CompilerToVMHelper.resolveMethod(receiverMetaspace,
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metaspaceMethod, callerMetaspace);
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if (tcase.isPositive) {
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Asserts.assertNotNull(resolvedMetaspaceMethod,
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"Unexpected null resolved method value for "
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+ tcase.methodName);
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Asserts.assertEQ(metaspaceMethod.getName(), tcase.methodName,
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"Reflection and c2vm method names doesn't match");
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} else {
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Asserts.assertNull(resolvedMetaspaceMethod,
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"Method unexpectedly resolved");
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}
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}
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private static class TestCase {
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public final Class<?> receiver;
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public final Class<?> holder;
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public final Class<?> caller;
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public final String methodName;
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public final boolean isPositive;
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public TestCase(Class<?> recv, Class<?> holder, String methodName,
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Class<?> caller, boolean isPositive) {
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this.receiver = recv;
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this.holder = holder;
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this.caller = caller;
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this.methodName = methodName;
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this.isPositive = isPositive;
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}
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@Override
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public String toString() {
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return String.format("CASE: receiver=%s, holder=%s, method=%s,"
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+ "caller=%s, isPositive=%s%n", receiver.getName(),
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holder.getName(), methodName, caller.getName(), isPositive);
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}
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}
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}
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