1 /* 2 * Copyright (c) 2015, 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.arch != "aarch64" 29 * @library /testlibrary /test/lib / 30 * @compile ../common/CompilerToVMHelper.java 31 * @build compiler.jvmci.compilerToVM.ResolveConstantInPoolTest 32 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run main/othervm -Xbootclasspath/a:. 34 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 35 * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest 36 */ 37 38 package compiler.jvmci.compilerToVM; 39 40 import java.lang.invoke.MethodHandle; 41 import java.lang.invoke.MethodType; 42 import java.util.HashMap; 43 import java.util.Map; 44 import jdk.vm.ci.hotspot.CompilerToVMHelper; 45 import jdk.test.lib.Asserts; 46 import sun.reflect.ConstantPool; 47 48 /** 49 * Test for {@code compiler.jvmci.CompilerToVM.resolveConstantInPool} method 50 */ 51 public class ResolveConstantInPoolTest { 52 53 public static void main(String[] args) throws Exception { 54 Map<ConstantPoolTestsHelper.ConstantTypes, 55 ConstantPoolTestCase.Validator> typeTests = new HashMap<>(2); 56 typeTests.put(ConstantPoolTestsHelper.ConstantTypes.CONSTANT_METHODHANDLE, 57 ResolveConstantInPoolTest::validateMethodHandle); 58 typeTests.put(ConstantPoolTestsHelper.ConstantTypes.CONSTANT_METHODTYPE, 59 ResolveConstantInPoolTest::validateMethodType); 60 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests); 61 testCase.test(); 62 } 63 64 private static void validateMethodHandle( 65 jdk.vm.ci.meta.ConstantPool constantPoolCTVM, 66 ConstantPool constantPoolSS, 67 ConstantPoolTestsHelper.DummyClasses dummyClass, int index) { 68 Object constantInPool = CompilerToVMHelper 69 .resolveConstantInPool(constantPoolCTVM, index); 70 if (!(constantInPool instanceof MethodHandle)) { 71 String msg = String.format( 72 "Wrong constant pool entry accessed by index" 73 + " %d: %s, but should be subclass of %s", 74 index + 1, constantInPool.getClass(), 75 MethodHandle.class.getName()); 76 throw new AssertionError(msg); 77 } 78 } 79 80 private static void validateMethodType( 81 jdk.vm.ci.meta.ConstantPool constantPoolCTVM, 82 ConstantPool constantPoolSS, 83 ConstantPoolTestsHelper.DummyClasses dummyClass, int index) { 84 Object constantInPool = CompilerToVMHelper 85 .resolveConstantInPool(constantPoolCTVM, index); 86 Class mtToVerify = constantInPool.getClass(); 87 Class mtToRefer = MethodType.class; 88 String msg = String.format("Wrong %s accessed by constant pool index" 89 + " %d: %s, but should be %s", "method type class", 90 index, mtToVerify, mtToRefer); 91 Asserts.assertEQ(mtToRefer, mtToVerify, msg); 92 } 93 }