1 /*
2 * Copyright (c) 2015, 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 8136421
27 * @requires vm.jvmci
28 * @library / /test/lib
29 * @library ../common/patches
30 * @modules java.base/jdk.internal.misc
31 * @modules java.base/jdk.internal.org.objectweb.asm
32 * java.base/jdk.internal.org.objectweb.asm.tree
33 * jdk.internal.vm.ci/jdk.vm.ci.hotspot
34 * jdk.internal.vm.ci/jdk.vm.ci.code
35 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
37 * -Djvmci.Compiler=null
38 * compiler.jvmci.compilerToVM.GetVtableIndexForInterfaceTest
39 */
40
41 package compiler.jvmci.compilerToVM;
42
43 import compiler.jvmci.common.CTVMUtilities;
44 import compiler.jvmci.common.testcases.AbstractClass;
45 import compiler.jvmci.common.testcases.AnotherSingleImplementer;
46 import compiler.jvmci.common.testcases.AnotherSingleImplementerInterface;
47 import compiler.jvmci.common.testcases.DoNotExtendClass;
48 import compiler.jvmci.common.testcases.MultipleAbstractImplementer;
49 import compiler.jvmci.common.testcases.MultipleImplementersInterface;
50 import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender;
51 import compiler.jvmci.common.testcases.SingleImplementer;
52 import compiler.jvmci.common.testcases.SingleImplementerInterface;
53 import compiler.jvmci.common.testcases.SingleSubclass;
54 import compiler.jvmci.common.testcases.SingleSubclassedClass;
55 import jdk.test.lib.Asserts;
56 import jdk.test.lib.Utils;
57 import jdk.vm.ci.hotspot.CompilerToVMHelper;
58 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
59 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
60
61 import java.lang.reflect.Method;
62 import java.util.HashSet;
63 import java.util.Set;
64 import java.util.stream.Stream;
65
66 public class GetVtableIndexForInterfaceTest {
67 private static final int INVALID_VTABLE_INDEX = -4; // see method.hpp: VtableIndexFlag
68
69 public static void main(String args[]) {
70 GetVtableIndexForInterfaceTest test
71 = new GetVtableIndexForInterfaceTest();
72 try {
73 for (TestCase tcase : createTestCases()) {
74 test.runTest(tcase);
75 }
76 } catch (NoSuchMethodException e) {
77 throw new Error("TEST BUG: can't find requested method", e);
78 }
79 }
80
81 private static Set<TestCase> createTestCases() {
82 Set<TestCase> result = new HashSet<>();
83 Stream.of(
84 AbstractClass.class,
85 SingleImplementer.class,
86 SingleImplementerInterface.class,
87 MultipleImplementersInterface.class,
88 MultipleImplementersInterfaceExtender.class,
89 SingleSubclass.class,
90 SingleSubclassedClass.class,
91 DoNotExtendClass.class,
92 MultipleAbstractImplementer.class
93 )
94 .forEach(Utils::ensureClassIsLoaded);
95 // non iface method
96 result.add(new TestCase(SingleImplementer.class,
97 SingleImplementer.class, "nonInterfaceMethod",
98 false, InternalError.class));
99 // iface method w/o default implementation
100 result.add(new TestCase(SingleImplementer.class,
101 SingleImplementerInterface.class, "interfaceMethod", false));
102 /* another iface which provides default implementation for the
103 original iface*/
104 result.add(new TestCase(MultipleImplementersInterfaceExtender.class,
105 MultipleImplementersInterface.class, "testMethod", false,
106 InternalError.class));
107 // iface method w/ default implementation
108 result.add(new TestCase(SingleImplementer.class,
109 SingleImplementerInterface.class, "defaultMethod", true));
110 // non iface class
111 result.add(new TestCase(SingleSubclass.class,
112 SingleSubclassedClass.class, "inheritedMethod", false,
113 InternalError.class));
114 // class not implementing iface
115 result.add(new TestCase(DoNotExtendClass.class,
116 SingleImplementerInterface.class, "defaultMethod", false));
117 // abstract class which doesn't implement iface
118 result.add(new TestCase(AbstractClass.class,
119 SingleImplementerInterface.class, "defaultMethod", false));
120 // abstract class which implements iface
121 result.add(new TestCase(MultipleAbstractImplementer.class,
122 MultipleImplementersInterface.class, "defaultMethod", true));
123 // class not initialized
124 result.add(new TestCase(AnotherSingleImplementer.class,
125 AnotherSingleImplementerInterface.class, "defaultMethod",
126 false, InternalError.class));
127 return result;
128 }
129
130 private void runTest(TestCase tcase) throws NoSuchMethodException {
131 System.out.println(tcase);
132 Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
133 HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper
134 .lookupType(Utils.toJVMTypeSignature(tcase.receiver),
135 getClass(), /* resolve = */ true);
136 HotSpotResolvedJavaMethod metaspaceMethod = CTVMUtilities
137 .getResolvedMethod(tcase.holder, method);
138 int index = 0;
139 try {
140 index = CompilerToVMHelper
141 .getVtableIndexForInterfaceMethod(metaspaceKlass,
142 metaspaceMethod);
143 } catch (Throwable t) {
144 if (tcase.isPositive || tcase.expectedException == null) {
145 throw new Error("Caught unexpected exception " + t);
146 }
147 if (!tcase.expectedException.equals(t.getClass())) {
148 throw new Error(String.format("Caught %s while expected %s",
149 t.getClass().getName(),
150 tcase.expectedException.getName()));
151 }
152 return;
153 }
154 if (tcase.expectedException != null) {
155 throw new AssertionError("Expected exception wasn't caught: "
156 + tcase.expectedException.getName());
157 }
158 if (tcase.isPositive) {
159 Asserts.assertNE(index, INVALID_VTABLE_INDEX,
160 "Unexpected: got invalid index");
161 } else {
162 Asserts.assertEQ(index, INVALID_VTABLE_INDEX,
163 "Unexpected: got valid index ");
164 }
165 }
166
167 private static class TestCase {
168 public final Class<?> receiver;
169 public final Class<?> holder;
170 public final String methodName;
171 public final boolean isPositive;
172 public final Class<? extends Throwable> expectedException;
173
174 public TestCase(Class<?> receiver, Class<?> holder, String methodName,
175 boolean isPositive,
176 Class<? extends Throwable> expectedException) {
177 this.receiver = receiver;
178 this.holder = holder;
179 this.methodName = methodName;
180 this.isPositive = isPositive;
181 this.expectedException = expectedException;
182 }
183
184 public TestCase(Class<?> receiver, Class<?> holder, String methodName,
185 boolean isPositive) {
186 this(receiver, holder, methodName, isPositive, null);
187 }
188
189 @Override
190 public String toString() {
191 return String.format("CASE: receiver=%s, holder=%s, method=%s,"
192 + " isPositive=%s%n", receiver.getName(), holder.getName(),
193 methodName, isPositive);
194 }
195 }
196 }