GetVtableIndexForInterfaceTest.java revision 11833:1cbffa2beba6 
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.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
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.vm.ci/jdk.vm.ci.hotspot
34 *          jdk.vm.ci/jdk.vm.ci.code
35 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
37 *                   compiler.jvmci.compilerToVM.GetVtableIndexForInterfaceTest
38 */
39
40package compiler.jvmci.compilerToVM;
41
42import compiler.jvmci.common.CTVMUtilities;
43import compiler.jvmci.common.testcases.AbstractClass;
44import compiler.jvmci.common.testcases.AnotherSingleImplementer;
45import compiler.jvmci.common.testcases.AnotherSingleImplementerInterface;
46import compiler.jvmci.common.testcases.DoNotExtendClass;
47import compiler.jvmci.common.testcases.MultipleAbstractImplementer;
48import compiler.jvmci.common.testcases.MultipleImplementersInterface;
49import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender;
50import compiler.jvmci.common.testcases.SingleImplementer;
51import compiler.jvmci.common.testcases.SingleImplementerInterface;
52import compiler.jvmci.common.testcases.SingleSubclass;
53import compiler.jvmci.common.testcases.SingleSubclassedClass;
54import jdk.test.lib.Asserts;
55import jdk.test.lib.Utils;
56import jdk.vm.ci.hotspot.CompilerToVMHelper;
57import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
58import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
59
60import java.lang.reflect.Method;
61import java.util.HashSet;
62import java.util.Set;
63import java.util.stream.Stream;
64
65public 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}
196