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