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.meta 36 * jdk.internal.vm.ci/jdk.vm.ci.runtime 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.LookupMethodInPoolTest 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.hotspot.HotSpotResolvedJavaMethod; 55 import jdk.vm.ci.meta.ConstantPool; 56 57 import java.util.HashMap; 58 import java.util.Map; 59 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.lookupMethodInPool} method 65 */ 66 public class LookupMethodInPoolTest { 67 68 public static void main(String[] args) throws Exception { 69 Map<ConstantTypes, Validator> typeTests = new HashMap<>(); 70 typeTests.put(CONSTANT_METHODREF, LookupMethodInPoolTest::validate); 71 typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupMethodInPoolTest::validate); 72 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); 73 testCase.test(); 74 // The next "Class.forName" and repeating "testCase.test()" 75 // are here for the following reason. 76 // The first test run is without dummy class initialization, 77 // which means no constant pool cache exists. 78 // The second run is with initialized class (with constant pool cache available). 79 // Some CompilerToVM methods require different input 80 // depending on whether CP cache exists or not. 81 for (DummyClasses dummy : DummyClasses.values()) { 82 Class.forName(dummy.klass.getName()); 83 } 84 testCase.test(); 85 } 86 87 private static void validate(ConstantPool constantPoolCTVM, 88 ConstantTypes cpType, 89 DummyClasses dummyClass, 90 int cpi) { 91 TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi); 92 if (entry == null) { 93 return; 94 } 95 int index = cpi; 96 String cached = ""; 97 int cpci = dummyClass.getCPCacheIndex(cpi); 98 if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) { 99 index = cpci; 100 cached = "cached "; 101 } 102 for (int j = 0; j < entry.opcodes.length; j++) { 103 HotSpotResolvedJavaMethod methodToVerify = CompilerToVMHelper 104 .lookupMethodInPool(constantPoolCTVM, index, entry.opcodes[j]); 105 String msg = String.format("Object returned by lookupMethodInPool method" 106 + " for %sindex %d should not be null", 107 cached, 108 index); 109 Asserts.assertNotNull(methodToVerify, msg); 110 String[] classNameSplit = entry.klass.split("/"); 111 String classNameToRefer = classNameSplit[classNameSplit.length - 1]; 112 String methodNameToRefer = entry.name; 113 String methodToVerifyToString = methodToVerify.toString(); 114 if (!methodToVerifyToString.contains(classNameToRefer) 115 || !methodToVerifyToString.contains(methodNameToRefer)) { 116 msg = String.format("String representation \"%s\" of the object" 117 + " returned by lookupMethodInPool method" 118 + " for index %d does not contain a method's class name" 119 + " or method's name, should contain %s.%s", 120 methodToVerifyToString, 121 index, 122 classNameToRefer, 123 methodNameToRefer); 124 throw new AssertionError(msg); 125 } 126 } 127 } 128 }