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.meta 36 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 37 * @build sun.hotspot.WhiteBox 38 * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest 39 * @run main ClassFileInstaller sun.hotspot.WhiteBox 40 * sun.hotspot.WhiteBox$WhiteBoxPermission 41 * @run main/othervm -Xbootclasspath/a:. 42 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 43 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 44 * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest 45 */ 46 47 package compiler.jvmci.compilerToVM; 48 49 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; 50 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; 51 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*; 52 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; 53 import java.lang.invoke.MethodHandle; 54 import java.lang.invoke.MethodType; 55 import java.util.HashMap; 56 import java.util.Map; 57 import jdk.test.lib.Asserts; 58 import jdk.vm.ci.hotspot.CompilerToVMHelper; 59 import jdk.vm.ci.meta.ConstantPool; 60 61 /** 62 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveConstantInPool} method 63 */ 64 public class ResolveConstantInPoolTest { 65 66 private static final String NOT_NULL_MSG 67 = "Object returned by resolveConstantInPool method should not be null"; 68 69 public static void main(String[] args) throws Exception { 70 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); 71 typeTests.put(CONSTANT_METHODHANDLE, ResolveConstantInPoolTest::validateMethodHandle); 72 typeTests.put(CONSTANT_METHODTYPE, ResolveConstantInPoolTest::validateMethodType); 73 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); 74 testCase.test(); 75 // The next "Class.forName" and repeating "testCase.test()" 76 // are here for the following reason. 77 // The first test run is without dummy class initialization, 78 // which means no constant pool cache exists. 79 // The second run is with initialized class (with constant pool cache available). 80 // Some CompilerToVM methods require different input 81 // depending on whether CP cache exists or not. 82 for (DummyClasses dummy : DummyClasses.values()) { 83 Class.forName(dummy.klass.getName()); 84 } 85 testCase.test(); 86 } 87 88 private static void validateMethodHandle(ConstantPool constantPoolCTVM, 89 ConstantTypes cpType, 90 DummyClasses dummyClass, 91 int index) { 92 Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); 93 String msg = String.format("%s for index %d", NOT_NULL_MSG, index); 94 Asserts.assertNotNull(constantInPool, msg); 95 if (!(constantInPool instanceof MethodHandle)) { 96 msg = String.format("Wrong constant pool entry accessed by index" 97 + " %d: %s, but should be subclass of %s", 98 index, 99 constantInPool.getClass(), 100 MethodHandle.class.getName()); 101 throw new AssertionError(msg); 102 } 103 } 104 105 private static void validateMethodType(ConstantPool constantPoolCTVM, 106 ConstantTypes cpType, 107 DummyClasses dummyClass, 108 int index) { 109 Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index); 110 String msg = String.format("%s for index %d", NOT_NULL_MSG, index); 111 Asserts.assertNotNull(constantInPool, msg); 112 Class mtToVerify = constantInPool.getClass(); 113 Class mtToRefer = MethodType.class; 114 msg = String.format("Wrong method type class accessed by" 115 + " constant pool index %d", 116 index); 117 Asserts.assertEQ(mtToRefer, mtToVerify, msg); 118 } 119 }