FindUniqueConcreteMethodTest.java revision 11477:a709f2ee79e5 
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 * @test
26 * @bug 8136421
27 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
28 * @library / /testlibrary /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 * @build compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
37 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
38 *                   compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
39 */
40
41package compiler.jvmci.compilerToVM;
42
43import compiler.jvmci.common.testcases.MultipleImplementer1;
44import compiler.jvmci.common.testcases.SingleImplementer;
45import compiler.jvmci.common.testcases.SingleSubclass;
46import compiler.jvmci.common.CTVMUtilities;
47import compiler.jvmci.common.testcases.SingleImplementerInterface;
48import java.lang.reflect.Method;
49import java.util.HashSet;
50import java.util.Set;
51import jdk.vm.ci.hotspot.CompilerToVMHelper;
52import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
53import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
54import jdk.test.lib.Asserts;
55import jdk.test.lib.Utils;
56
57public class FindUniqueConcreteMethodTest {
58    public static void main(String args[]) {
59        FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest();
60        try {
61            for (TestCase tcase : createTestCases()) {
62                test.runTest(tcase);
63            }
64        } catch (NoSuchMethodException e) {
65            throw new Error("TEST BUG: can't find method", e);
66        }
67    }
68
69    private static Set<TestCase> createTestCases() {
70        Set<TestCase> result = new HashSet<>();
71        // a public method
72        result.add(new TestCase(true, SingleSubclass.class,
73                SingleSubclass.class, "usualMethod"));
74        // overriden method
75        result.add(new TestCase(true, SingleSubclass.class,
76                SingleSubclass.class, "overridenMethod"));
77        // private method
78        result.add(new TestCase(true, SingleSubclass.class,
79                SingleSubclass.class, "privateMethod"));
80        // protected method
81        result.add(new TestCase(true, SingleSubclass.class,
82                SingleSubclass.class, "protectedMethod"));
83        // default(package-private) method
84        result.add(new TestCase(true, SingleSubclass.class,
85                SingleSubclass.class, "defaultAccessMethod"));
86        // default interface method redefined in implementer
87        result.add(new TestCase(true, MultipleImplementer1.class,
88                MultipleImplementer1.class, "defaultMethod"));
89        // interface method
90        result.add(new TestCase(true, MultipleImplementer1.class,
91                MultipleImplementer1.class, "testMethod"));
92        // default interface method not redefined in implementer
93        result.add(new TestCase(true, SingleImplementer.class,
94                SingleImplementerInterface.class, "defaultMethod"));
95        // static method
96        result.add(new TestCase(false, SingleSubclass.class,
97                SingleSubclass.class, "staticMethod"));
98        return result;
99    }
100
101    private void runTest(TestCase tcase) throws NoSuchMethodException {
102        System.out.println(tcase);
103        Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
104        HotSpotResolvedJavaMethod testMethod = CTVMUtilities
105                .getResolvedMethod(tcase.receiver, method);
106        HotSpotResolvedObjectType resolvedType = CompilerToVMHelper
107                .lookupType(Utils.toJVMTypeSignature(tcase.receiver), getClass(),
108                /* resolve = */ true);
109        HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper
110                .findUniqueConcreteMethod(resolvedType, testMethod);
111        Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null,
112                "Unexpected concrete method for " + tcase.methodName);
113    }
114
115    private static class TestCase {
116        public final Class<?> receiver;
117        public final Class<?> holder;
118        public final String methodName;
119        public final boolean isPositive;
120
121        public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder,
122                String methodName) {
123            this.receiver = clazz;
124            this.methodName = methodName;
125            this.isPositive = isPositive;
126            this.holder = holder;
127        }
128
129        @Override
130        public String toString() {
131            return String.format("CASE: receiver=%s, holder=%s, method=%s,"
132                    + " isPositive=%s", receiver.getName(),
133                    holder.getName(), methodName, isPositive);
134        }
135    }
136}
137