| /* |
| * 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 |
| * java.base/jdk.internal.reflect |
| * java.base/jdk.internal.org.objectweb.asm |
| * jdk.internal.vm.ci/jdk.vm.ci.hotspot |
| * jdk.internal.vm.ci/jdk.vm.ci.runtime |
| * jdk.internal.vm.ci/jdk.vm.ci.meta |
| * |
| * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -Djvmci.Compiler=null |
| * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; |
| import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; |
| import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; |
| import jdk.test.lib.Asserts; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.meta.ConstantPool; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodType; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODHANDLE; |
| import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODTYPE; |
| |
| /** |
| * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveConstantInPool} method |
| */ |
| public class ResolveConstantInPoolTest { |
| |
| private static final String NOT_NULL_MSG |
| = "Object returned by resolveConstantInPool method should not be null"; |
| |
| public static void main(String[] args) throws Exception { |
| Map<ConstantTypes, Validator> typeTests = new HashMap<>(); |
| typeTests.put(CONSTANT_METHODHANDLE, ResolveConstantInPoolTest::validateMethodHandle); |
| typeTests.put(CONSTANT_METHODTYPE, ResolveConstantInPoolTest::validateMethodType); |
| ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); |
| testCase.test(); |
| // The next "Class.forName" and repeating "testCase.test()" |
| // are here for the following reason. |
| // The first test run is without dummy class initialization, |
| // which means no constant pool cache exists. |
| // The second run is with initialized class (with constant pool cache available). |
| // Some CompilerToVM methods require different input |
| // depending on whether CP cache exists or not. |
| for (DummyClasses dummy : DummyClasses.values()) { |
| Class.forName(dummy.klass.getName()); |
| } |
| testCase.test(); |
| } |
| |
| private static void validateMethodHandle(ConstantPool constantPoolCTVM, |
| ConstantTypes cpType, |
| DummyClasses dummyClass, |
| int index) { |
| Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); |
| String msg = String.format("%s for index %d", NOT_NULL_MSG, index); |
| Asserts.assertNotNull(constantInPool, msg); |
| if (!(constantInPool instanceof MethodHandle)) { |
| msg = String.format("Wrong constant pool entry accessed by index" |
| + " %d: %s, but should be subclass of %s", |
| index, |
| constantInPool.getClass(), |
| MethodHandle.class.getName()); |
| throw new AssertionError(msg); |
| } |
| } |
| |
| private static void validateMethodType(ConstantPool constantPoolCTVM, |
| ConstantTypes cpType, |
| DummyClasses dummyClass, |
| int index) { |
| Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); |
| String msg = String.format("%s for index %d", NOT_NULL_MSG, index); |
| Asserts.assertNotNull(constantInPool, msg); |
| Class mtToVerify = constantInPool.getClass(); |
| Class mtToRefer = MethodType.class; |
| msg = String.format("Wrong method type class accessed by" |
| + " constant pool index %d", |
| index); |
| Asserts.assertEQ(mtToRefer, mtToVerify, msg); |
| } |
| } |