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 39 * @build sun.hotspot.WhiteBox 40 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 41 * sun.hotspot.WhiteBox$WhiteBoxPermission 42 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 43 * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 44 * -Djvmci.Compiler=null 45 * compiler.jvmci.compilerToVM.LookupSignatureInPoolTest 46 */ 47 48 package compiler.jvmci.compilerToVM; 49 50 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes; 51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry; 52 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator; 53 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses; 54 import jdk.test.lib.Asserts; 55 import jdk.vm.ci.hotspot.CompilerToVMHelper; 56 import jdk.vm.ci.meta.ConstantPool; 57 58 import java.util.HashMap; 59 import java.util.Map; 60 61 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_FIELDREF; 62 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF; 63 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INVOKEDYNAMIC; 64 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF; 65 66 /** 67 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupSignatureInPool} method 68 */ 69 public class LookupSignatureInPoolTest { 70 71 public static void main(String[] args) throws Exception { 72 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); 73 typeTests.put(CONSTANT_METHODREF, LookupSignatureInPoolTest::validate); 74 typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupSignatureInPoolTest::validate); 75 typeTests.put(CONSTANT_FIELDREF, LookupSignatureInPoolTest::validate); 76 typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupSignatureInPoolTest::validate); 77 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); 78 testCase.test(); 79 // The next "Class.forName" and repeating "testCase.test()" 80 // are here for the following reason. 81 // The first test run is without dummy class initialization, 82 // which means no constant pool cache exists. 83 // The second run is with initialized class (with constant pool cache available). 84 // Some CompilerToVM methods require different input 85 // depending on whether CP cache exists or not. 86 for (DummyClasses dummy : DummyClasses.values()) { 87 Class.forName(dummy.klass.getName()); 88 } 89 testCase.test(); 90 } 91 92 private static void validate(ConstantPool constantPoolCTVM, 93 ConstantTypes cpType, 94 DummyClasses dummyClass, 95 int cpi) { 96 TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi); 97 if (entry == null) { 98 return; 99 } 100 int index = cpi; 101 String cached = ""; 102 int cpci = dummyClass.getCPCacheIndex(cpi); 103 if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) { 104 index = cpci; 105 cached = "cached "; 106 } 107 String sigToVerify = CompilerToVMHelper.lookupSignatureInPool(constantPoolCTVM, index); 108 String sigToRefer = entry.type; 109 String msg = String.format("Wrong signature accessed by %sconstant pool index %d", 110 cached, 111 index); 112 Asserts.assertEQ(sigToVerify, sigToRefer, msg); 113 } 114 }