1 /* 2 * Copyright (c) 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 * @test 26 * @bug 8138708 27 * @requires vm.jvmci 28 * @library /test/lib / 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * java.base/jdk.internal.reflect 32 * java.base/jdk.internal.org.objectweb.asm 33 * java.base/jdk.internal.org.objectweb.asm.tree 34 * jdk.internal.vm.ci/jdk.vm.ci.hotspot 35 * jdk.internal.vm.ci/jdk.vm.ci.runtime 36 * jdk.internal.vm.ci/jdk.vm.ci.meta 37 * 38 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox 39 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 40 * sun.hotspot.WhiteBox$WhiteBoxPermission 41 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 42 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 43 * compiler.jvmci.compilerToVM.LookupKlassRefIndexInPoolTest 44 */ 45 46 package compiler.jvmci.compilerToVM; 47 48 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; 49 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry; 50 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; 51 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; 52 import jdk.test.lib.Asserts; 53 import jdk.vm.ci.hotspot.CompilerToVMHelper; 54 import jdk.vm.ci.meta.ConstantPool; 55 56 import java.util.HashMap; 57 import java.util.Map; 58 59 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_FIELDREF; 60 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF; 61 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF; 62 63 /** 64 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupKlassRefIndexInPool} method 65 */ 66 public class LookupKlassRefIndexInPoolTest { 67 68 public static void main(String[] args) throws Exception { 69 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); 70 typeTests.put(CONSTANT_METHODREF, LookupKlassRefIndexInPoolTest::validate); 71 typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupKlassRefIndexInPoolTest::validate); 72 typeTests.put(CONSTANT_FIELDREF, LookupKlassRefIndexInPoolTest::validate); 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 validate(ConstantPool constantPoolCTVM, 89 ConstantTypes cpType, 90 DummyClasses dummyClass, 91 int cpi) { 92 TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi); 93 if (entry == null) { 94 return; 95 } 96 int index = cpi; 97 String cached = ""; 98 int cpci = dummyClass.getCPCacheIndex(cpi); 99 if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) { 100 index = cpci; 101 cached = "cached "; 102 } 103 int indexToVerify = CompilerToVMHelper.lookupKlassRefIndexInPool(constantPoolCTVM, index); 104 int indexToRefer = dummyClass.constantPoolSS.getClassRefIndexAt(cpi); 105 String msg = String.format("Wrong class index returned by lookupKlassRefIndexInPool method " 106 + "applied to %sconstant pool index %d", 107 cached, 108 index); 109 Asserts.assertEQ(indexToRefer, indexToVerify, msg); 110 } 111 }