author | zmajo |
Wed, 15 Jun 2016 14:27:58 +0200 | |
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/* |
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* Copyright (c) 2015, 2016, 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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/* |
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* @test |
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* @bug 8136421 |
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* @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") |
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* @library /testlibrary /test/lib / |
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* @library ../common/patches |
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* @modules java.base/jdk.internal.misc |
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* java.base/jdk.internal.reflect |
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* java.base/jdk.internal.org.objectweb.asm |
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* jdk.vm.ci/jdk.vm.ci.hotspot |
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* jdk.vm.ci/jdk.vm.ci.runtime |
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* jdk.vm.ci/jdk.vm.ci.meta |
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* @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper |
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* @build sun.hotspot.WhiteBox |
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* compiler.jvmci.compilerToVM.ResolveConstantInPoolTest |
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* @run main ClassFileInstaller sun.hotspot.WhiteBox |
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* sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @run main/othervm -Xbootclasspath/a:. |
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* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
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* compiler.jvmci.compilerToVM.ResolveConstantInPoolTest |
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*/ |
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package compiler.jvmci.compilerToVM; |
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import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; |
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import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; |
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import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*; |
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import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; |
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import java.lang.invoke.MethodHandle; |
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import java.lang.invoke.MethodType; |
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import java.util.HashMap; |
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import java.util.Map; |
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import jdk.test.lib.Asserts; |
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import jdk.vm.ci.hotspot.CompilerToVMHelper; |
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import jdk.vm.ci.meta.ConstantPool; |
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/** |
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* Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveConstantInPool} method |
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*/ |
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public class ResolveConstantInPoolTest { |
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private static final String NOT_NULL_MSG |
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= "Object returned by resolveConstantInPool method should not be null"; |
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public static void main(String[] args) throws Exception { |
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Map<ConstantTypes, Validator> typeTests = new HashMap<>(); |
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typeTests.put(CONSTANT_METHODHANDLE, ResolveConstantInPoolTest::validateMethodHandle); |
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typeTests.put(CONSTANT_METHODTYPE, ResolveConstantInPoolTest::validateMethodType); |
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ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); |
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testCase.test(); |
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// The next "Class.forName" and repeating "testCase.test()" |
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// are here for the following reason. |
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// The first test run is without dummy class initialization, |
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// which means no constant pool cache exists. |
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// The second run is with initialized class (with constant pool cache available). |
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// Some CompilerToVM methods require different input |
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// depending on whether CP cache exists or not. |
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for (DummyClasses dummy : DummyClasses.values()) { |
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Class.forName(dummy.klass.getName()); |
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} |
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testCase.test(); |
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} |
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private static void validateMethodHandle(ConstantPool constantPoolCTVM, |
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ConstantTypes cpType, |
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DummyClasses dummyClass, |
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int index) { |
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Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); |
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String msg = String.format("%s for index %d", NOT_NULL_MSG, index); |
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Asserts.assertNotNull(constantInPool, msg); |
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if (!(constantInPool instanceof MethodHandle)) { |
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msg = String.format("Wrong constant pool entry accessed by index" |
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+ " %d: %s, but should be subclass of %s", |
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index, |
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constantInPool.getClass(), |
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MethodHandle.class.getName()); |
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throw new AssertionError(msg); |
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} |
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} |
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private static void validateMethodType(ConstantPool constantPoolCTVM, |
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ConstantTypes cpType, |
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DummyClasses dummyClass, |
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int index) { |
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Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); |
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String msg = String.format("%s for index %d", NOT_NULL_MSG, index); |
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Asserts.assertNotNull(constantInPool, msg); |
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Class mtToVerify = constantInPool.getClass(); |
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Class mtToRefer = MethodType.class; |
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msg = String.format("Wrong method type class accessed by" |
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+ " constant pool index %d", |
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index); |
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Asserts.assertEQ(mtToRefer, mtToVerify, msg); |
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} |
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} |