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 (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64") 29 * @summary Testing compiler.jvmci.CompilerToVM.lookupKlassInPool method 30 * @library /testlibrary /test/lib / 31 * @library ../common/patches 32 * @modules java.base/jdk.internal.misc 33 * java.base/jdk.internal.reflect 34 * java.base/jdk.internal.org.objectweb.asm 35 * java.base/jdk.internal.org.objectweb.asm.tree 36 * jdk.vm.ci/jdk.vm.ci.hotspot 37 * jdk.vm.ci/jdk.vm.ci.runtime 38 * jdk.vm.ci/jdk.vm.ci.meta 39 * 40 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 41 * @build sun.hotspot.WhiteBox 42 * compiler.jvmci.compilerToVM.LookupKlassInPoolTest 43 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 44 * sun.hotspot.WhiteBox$WhiteBoxPermission 45 * @run main/othervm -Xbootclasspath/a:. 46 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 47 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 48 * compiler.jvmci.compilerToVM.LookupKlassInPoolTest 49 */ 50 51 package compiler.jvmci.compilerToVM; 52 53 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; 54 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry; 55 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; 56 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; 57 import jdk.vm.ci.hotspot.CompilerToVMHelper; 58 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 59 import jdk.vm.ci.meta.ConstantPool; 60 61 import java.util.HashMap; 62 import java.util.Map; 63 64 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_CLASS; 65 66 /** 67 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupKlassInPool} method 68 */ 69 public class LookupKlassInPoolTest { 70 71 public static void main(String[] args) throws Exception { 72 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); 73 typeTests.put(CONSTANT_CLASS, LookupKlassInPoolTest::validate); 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 public static void validate(ConstantPool constantPoolCTVM, 90 ConstantTypes cpType, 91 DummyClasses dummyClass, 92 int i) { 93 TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, i); 94 if (entry == null) { 95 return; 96 } 97 Object classToVerify = CompilerToVMHelper.lookupKlassInPool(constantPoolCTVM, i); 98 if (!(classToVerify instanceof HotSpotResolvedObjectType) && !(classToVerify instanceof String)) { 99 String msg = String.format("Output of method CTVM.lookupKlassInPool is neither" 100 + " a HotSpotResolvedObjectType, nor a String"); 101 throw new AssertionError(msg); 102 } 103 String classNameToRefer = entry.klass; 104 String outputToVerify = classToVerify.toString(); 105 if (!outputToVerify.contains(classNameToRefer)) { 106 String msg = String.format("Wrong class accessed by constant pool index %d: %s, but should be %s", 107 i, 108 outputToVerify, 109 classNameToRefer); 110 throw new AssertionError(msg); 111 } 112 } 113 }