FindUniqueConcreteMethodTest.java revision 9287:40bd4478a362 
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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
28 * @library / /testlibrary /../../test/lib
29 * @compile ../common/CompilerToVMHelper.java
30 * @build compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
31 * @run main ClassFileInstaller
32 *     jdk.vm.ci.hotspot.CompilerToVMHelper
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions
34 *     -XX:+EnableJVMCI compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
35 */
36
37package compiler.jvmci.compilerToVM;
38
39import compiler.jvmci.common.testcases.MultipleImplementer1;
40import compiler.jvmci.common.testcases.SingleImplementer;
41import compiler.jvmci.common.testcases.SingleSubclass;
42import compiler.jvmci.common.CTVMUtilities;
43import compiler.jvmci.common.testcases.SingleImplementerInterface;
44import java.lang.reflect.Method;
45import java.util.HashSet;
46import java.util.Set;
47import jdk.vm.ci.hotspot.CompilerToVMHelper;
48import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
49import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
50import jdk.test.lib.Asserts;
51import jdk.test.lib.Utils;
52
53public class FindUniqueConcreteMethodTest {
54    public static void main(String args[]) {
55        FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest();
56        try {
57            for (TestCase tcase : createTestCases()) {
58                test.runTest(tcase);
59            }
60        } catch (NoSuchMethodException e) {
61            throw new Error("TEST BUG: can't find method", e);
62        }
63    }
64
65    private static Set<TestCase> createTestCases() {
66        Set<TestCase> result = new HashSet<>();
67        // a public method
68        result.add(new TestCase(true, SingleSubclass.class,
69                SingleSubclass.class, "usualMethod"));
70        // overriden method
71        result.add(new TestCase(true, SingleSubclass.class,
72                SingleSubclass.class, "overridenMethod"));
73        // private method
74        result.add(new TestCase(true, SingleSubclass.class,
75                SingleSubclass.class, "privateMethod"));
76        // protected method
77        result.add(new TestCase(true, SingleSubclass.class,
78                SingleSubclass.class, "protectedMethod"));
79        // default(package-private) method
80        result.add(new TestCase(true, SingleSubclass.class,
81                SingleSubclass.class, "defaultAccessMethod"));
82        // default interface method redefined in implementer
83        result.add(new TestCase(true, MultipleImplementer1.class,
84                MultipleImplementer1.class, "defaultMethod"));
85        // interface method
86        result.add(new TestCase(true, MultipleImplementer1.class,
87                MultipleImplementer1.class, "testMethod"));
88        // default interface method not redefined in implementer
89        result.add(new TestCase(true, SingleImplementer.class,
90                SingleImplementerInterface.class, "defaultMethod"));
91        // static method
92        result.add(new TestCase(false, SingleSubclass.class,
93                SingleSubclass.class, "staticMethod"));
94        return result;
95    }
96
97    private void runTest(TestCase tcase) throws NoSuchMethodException {
98        System.out.println(tcase);
99        Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
100        HotSpotResolvedJavaMethod testMethod = CTVMUtilities
101                .getResolvedMethod(tcase.receiver, method);
102        HotSpotResolvedObjectType resolvedType = CompilerToVMHelper
103                .lookupType(Utils.toJVMTypeSignature(tcase.receiver), getClass(),
104                /* resolve = */ true);
105        HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper
106                .findUniqueConcreteMethod(resolvedType, testMethod);
107        Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null,
108                "Unexpected concrete method for " + tcase.methodName);
109    }
110
111    private static class TestCase {
112        public final Class<?> receiver;
113        public final Class<?> holder;
114        public final String methodName;
115        public final boolean isPositive;
116
117        public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder,
118                String methodName) {
119            this.receiver = clazz;
120            this.methodName = methodName;
121            this.isPositive = isPositive;
122            this.holder = holder;
123        }
124
125        @Override
126        public String toString() {
127            return String.format("CASE: receiver=%s, holder=%s, method=%s,"
128                    + " isPositive=%s", receiver.getName(),
129                    holder.getName(), methodName, isPositive);
130        }
131    }
132}
133