1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /* 26 * @test 27 * @bug 8136421 28 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 29 * @library /testlibrary /test/lib / 30 * @library ../common/patches 31 * @modules java.base/jdk.internal.misc 32 * java.base/jdk.internal.reflect 33 * java.base/jdk.internal.org.objectweb.asm 34 * jdk.vm.ci/jdk.vm.ci.hotspot 35 * jdk.vm.ci/jdk.vm.ci.runtime 36 * jdk.vm.ci/jdk.vm.ci.meta 37 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 38 * @build sun.hotspot.WhiteBox 39 * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest 40 * @run main ClassFileInstaller sun.hotspot.WhiteBox 41 * sun.hotspot.WhiteBox$WhiteBoxPermission 42 * @run main/othervm -Xbootclasspath/a:. 43 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 44 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 45 * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest 46 */ 47 48 package compiler.jvmci.compilerToVM; 49 50 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; 51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; 52 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*; 53 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; 54 import java.lang.invoke.MethodHandle; 55 import java.lang.invoke.MethodType; 56 import java.util.HashMap; 57 import java.util.Map; 58 import jdk.test.lib.Asserts; 59 import jdk.vm.ci.hotspot.CompilerToVMHelper; 60 import jdk.vm.ci.meta.ConstantPool; 61 62 /** 63 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveConstantInPool} method 64 */ 65 public class ResolveConstantInPoolTest { 66 67 private static final String NOT_NULL_MSG 68 = "Object returned by resolveConstantInPool method should not be null"; 69 70 public static void main(String[] args) throws Exception { 71 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); 72 typeTests.put(CONSTANT_METHODHANDLE, ResolveConstantInPoolTest::validateMethodHandle); 73 typeTests.put(CONSTANT_METHODTYPE, ResolveConstantInPoolTest::validateMethodType); 74 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); 75 testCase.test(); 76 // The next "Class.forName" and repeating "testCase.test()" 77 // are here for the following reason. 78 // The first test run is without dummy class initialization, 79 // which means no constant pool cache exists. 80 // The second run is with initialized class (with constant pool cache available). 81 // Some CompilerToVM methods require different input 82 // depending on whether CP cache exists or not. 83 for (DummyClasses dummy : DummyClasses.values()) { 84 Class.forName(dummy.klass.getName()); 85 } 86 testCase.test(); 87 } 88 89 private static void validateMethodHandle(ConstantPool constantPoolCTVM, 90 ConstantTypes cpType, 91 DummyClasses dummyClass, 92 int index) { 93 Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); 94 String msg = String.format("%s for index %d", NOT_NULL_MSG, index); 95 Asserts.assertNotNull(constantInPool, msg); 96 if (!(constantInPool instanceof MethodHandle)) { 97 msg = String.format("Wrong constant pool entry accessed by index" 98 + " %d: %s, but should be subclass of %s", 99 index, 100 constantInPool.getClass(), 101 MethodHandle.class.getName()); 102 throw new AssertionError(msg); 103 } 104 } 105 106 private static void validateMethodType(ConstantPool constantPoolCTVM, 107 ConstantTypes cpType, 108 DummyClasses dummyClass, 109 int index) { 110 Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); 111 String msg = String.format("%s for index %d", NOT_NULL_MSG, index); 112 Asserts.assertNotNull(constantInPool, msg); 113 Class mtToVerify = constantInPool.getClass(); 114 Class mtToRefer = MethodType.class; 115 msg = String.format("Wrong method type class accessed by" 116 + " constant pool index %d", 117 index); 118 Asserts.assertEQ(mtToRefer, mtToVerify, msg); 119 } 120 }