152 lines
7.0 KiB
Java
152 lines
7.0 KiB
Java
/*
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* Copyright (c) 2016, 2023, 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 8138708
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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.access
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* java.base/jdk.internal.reflect
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* 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.runtime
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* jdk.internal.vm.ci/jdk.vm.ci.meta
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*
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* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
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* -XX:-UseJVMCICompiler
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* compiler.jvmci.compilerToVM.LookupConstantInPoolTest
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*/
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package compiler.jvmci.compilerToVM;
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import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
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import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
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import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
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import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
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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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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 static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODHANDLE;
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import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODTYPE;
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import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_STRING;
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/**
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* Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupConstantInPool} method
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*/
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public class LookupConstantInPoolTest {
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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_STRING, LookupConstantInPoolTest::validateString);
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typeTests.put(CONSTANT_METHODHANDLE, LookupConstantInPoolTest::validateMethodHandle);
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typeTests.put(CONSTANT_METHODTYPE, LookupConstantInPoolTest::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 validateString(ConstantPool constantPoolCTVM,
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ConstantTypes cpType,
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DummyClasses dummyClass,
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int cpi) {
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TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
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if (entry == null) {
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return;
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}
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int index = cpi;
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String cached = "";
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int cpci = dummyClass.getCPCacheIndex(cpi);
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if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
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index = cpci;
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cached = "cached ";
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}
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Object constantInPool = CompilerToVMHelper.lookupConstantInPool(constantPoolCTVM, index, true);
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String stringToVerify = (String) constantInPool;
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String stringToRefer = entry.name;
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if (stringToRefer.equals("") && cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
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stringToRefer = null; // tested method returns null for cached empty strings
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}
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String msg = String.format("Wrong string accessed by %sconstant pool index %d", cached, index);
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Asserts.assertEQ(stringToRefer, stringToVerify, msg);
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}
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private static final String NOT_NULL_MSG
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= "Object returned by lookupConstantInPool method should not be null";
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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.lookupConstantInPool(constantPoolCTVM, index, true);
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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.lookupConstantInPool(constantPoolCTVM, index, true);
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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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}
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