GetImplementorTest.java revision 9111:a41fe5ffa839
1263382Smarcel/* 2263382Smarcel * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3263382Smarcel * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4263382Smarcel * 5263382Smarcel * This code is free software; you can redistribute it and/or modify it 6263382Smarcel * under the terms of the GNU General Public License version 2 only, as 7263382Smarcel * published by the Free Software Foundation. 8263382Smarcel * 9263382Smarcel * This code is distributed in the hope that it will be useful, but WITHOUT 10263382Smarcel * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11263382Smarcel * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12263382Smarcel * version 2 for more details (a copy is included in the LICENSE file that 13263382Smarcel * accompanied this code). 14263382Smarcel * 15263382Smarcel * You should have received a copy of the GNU General Public License version 16263382Smarcel * 2 along with this work; if not, write to the Free Software Foundation, 17263382Smarcel * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18263382Smarcel * 19263382Smarcel * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20263382Smarcel * or visit www.oracle.com if you need additional information or have any 21263382Smarcel * questions. 22263382Smarcel */ 23263382Smarcel 24263382Smarcel/* 25263382Smarcel * @test 26263382Smarcel * @bug 8136421 27263382Smarcel * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" 28263382Smarcel * @library / /testlibrary /../../test/lib/ 29263382Smarcel * @compile ../common/CompilerToVMHelper.java 30263382Smarcel * @build compiler.jvmci.compilerToVM.GetImplementorTest 31263382Smarcel * @run main ClassFileInstaller 32263442Smarcel * jdk.vm.ci.hotspot.CompilerToVMHelper 33263442Smarcel * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions 34263653Smarcel * -XX:+EnableJVMCI compiler.jvmci.compilerToVM.GetImplementorTest 35263653Smarcel */ 36263382Smarcel 37263382Smarcelpackage compiler.jvmci.compilerToVM; 38263414Smarcel 39263382Smarcelimport compiler.jvmci.common.testcases.AbstractClass; 40263382Smarcelimport compiler.jvmci.common.testcases.AbstractClassExtender; 41263382Smarcelimport compiler.jvmci.common.testcases.DoNotImplementInterface; 42263382Smarcelimport compiler.jvmci.common.testcases.DoNotExtendClass; 43263382Smarcelimport compiler.jvmci.common.testcases.MultipleImplementer1; 44263382Smarcelimport compiler.jvmci.common.testcases.MultipleImplementer2; 45263382Smarcelimport compiler.jvmci.common.testcases.MultipleImplementersInterface; 46263461Smarcelimport compiler.jvmci.common.testcases.SingleImplementer; 47263653Smarcelimport compiler.jvmci.common.testcases.SingleImplementerInterface; 48263653Smarcelimport compiler.jvmci.common.testcases.SingleSubclass; 49263466Smarcelimport compiler.jvmci.common.testcases.SingleSubclassedClass; 50263382Smarcelimport java.util.HashSet; 51263382Smarcelimport java.util.Set; 52263382Smarcelimport java.util.stream.Stream; 53263382Smarcelimport jdk.vm.ci.hotspot.CompilerToVMHelper; 54263382Smarcelimport jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl; 55263653Smarcelimport jdk.test.lib.Asserts; 56263653Smarcelimport jdk.test.lib.Utils; 57263653Smarcel 58263653Smarcelpublic class GetImplementorTest { 59263382Smarcel public static void main(String args[]) { 60 GetImplementorTest test = new GetImplementorTest(); 61 for (TestCase tcase : createTestCases()) { 62 test.runTest(tcase); 63 } 64 } 65 66 private static Set<TestCase> createTestCases() { 67 Set<TestCase> result = new HashSet<>(); 68 Stream.of( 69 SingleSubclass.class, 70 AbstractClassExtender.class, 71 MultipleImplementer2.class, 72 MultipleImplementer1.class, 73 MultipleImplementersInterface.class, 74 DoNotImplementInterface.class, 75 DoNotExtendClass.class, 76 AbstractClass.class, 77 SingleSubclassedClass.class) 78 .forEach(Utils::ensureClassIsLoaded); 79 // an interface with single class implementing it 80 result.add(new TestCase(SingleImplementerInterface.class, 81 SingleImplementer.class)); 82 /* an interface with multiple implementers. According to getImplementor 83 javadoc, an itself should be returned in case of more than one 84 implementor 85 */ 86 result.add(new TestCase(MultipleImplementersInterface.class, 87 MultipleImplementersInterface.class)); 88 // an interface with no implementors 89 result.add(new TestCase(DoNotImplementInterface.class, null)); 90 // an abstract class with extender class 91 result.add(new TestCase(AbstractClass.class, null)); 92 // a simple class, which is not extended 93 result.add(new TestCase(DoNotExtendClass.class, null)); 94 // a usual class, which is extended 95 result.add(new TestCase(SingleSubclassedClass.class, null)); 96 return result; 97 } 98 99 private void runTest(TestCase tcase) { 100 System.out.println(tcase); 101 HotSpotResolvedObjectTypeImpl resolvedIface = CompilerToVMHelper 102 .lookupType(Utils.toJVMTypeSignature(tcase.anInterface), 103 getClass(), /* resolve = */ true); 104 HotSpotResolvedObjectTypeImpl resolvedImplementer = CompilerToVMHelper 105 .getImplementor(resolvedIface); 106 HotSpotResolvedObjectTypeImpl resolvedExpected = null; 107 if (tcase.expectedImplementer != null) { 108 resolvedExpected = CompilerToVMHelper.lookupType(Utils 109 .toJVMTypeSignature(tcase.expectedImplementer), 110 getClass(), /* resolve = */ true); 111 } 112 Asserts.assertEQ(resolvedImplementer, resolvedExpected, 113 "Unexpected implementer for " + tcase.anInterface.getName()); 114 } 115 116 private static class TestCase { 117 public final Class<?> anInterface; 118 public final Class<?> expectedImplementer; 119 120 public TestCase(Class<?> iface, Class<?> expectedImplementer) { 121 this.anInterface = iface; 122 this.expectedImplementer = expectedImplementer; 123 } 124 125 @Override 126 public String toString() { 127 return String.format("CASE: interface=%s, expected=%s", 128 anInterface.getName(), 129 expectedImplementer == null 130 ? null 131 : expectedImplementer.getName()); 132 } 133 } 134} 135