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 * jdk.vm.ci/jdk.vm.ci.meta
36 * jdk.vm.ci/jdk.vm.ci.runtime
37 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
38 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
39 * compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
40 */
41
42 package compiler.jvmci.compilerToVM;
43
44 import compiler.jvmci.common.CTVMUtilities;
45 import compiler.jvmci.common.testcases.DuplicateSimpleSingleImplementerInterface;
46 import compiler.jvmci.common.testcases.SimpleSingleImplementerInterface;
47 import compiler.jvmci.common.testcases.MultipleImplementer1;
48 import compiler.jvmci.common.testcases.MultipleSuperImplementers;
49 import compiler.jvmci.common.testcases.SingleImplementer;
50 import compiler.jvmci.common.testcases.SingleImplementerInterface;
51 import compiler.jvmci.common.testcases.SingleSubclass;
52 import jdk.test.lib.Asserts;
53 import jdk.test.lib.Utils;
54 import jdk.vm.ci.hotspot.CompilerToVMHelper;
55 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
56 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
57
58 import java.lang.reflect.Method;
59 import java.util.HashSet;
60 import java.util.Set;
61
62 public class FindUniqueConcreteMethodTest {
63 public static void main(String args[]) {
64 FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest();
65 try {
66 for (TestCase tcase : createTestCases()) {
67 test.runTest(tcase);
68 }
69 } catch (NoSuchMethodException e) {
70 throw new Error("TEST BUG: can't find method", e);
71 }
72 }
73
74 private static Set<TestCase> createTestCases() {
75 Set<TestCase> result = new HashSet<>();
76 // a public method
77 result.add(new TestCase(true, SingleSubclass.class,
78 SingleSubclass.class, "usualMethod"));
79 // overriden method
80 result.add(new TestCase(true, SingleSubclass.class,
81 SingleSubclass.class, "overridenMethod"));
82 // private method
83 result.add(new TestCase(true, SingleSubclass.class,
84 SingleSubclass.class, "privateMethod"));
85 // protected method
86 result.add(new TestCase(true, SingleSubclass.class,
87 SingleSubclass.class, "protectedMethod"));
88 // default(package-private) method
89 result.add(new TestCase(true, SingleSubclass.class,
90 SingleSubclass.class, "defaultAccessMethod"));
91 // default interface method redefined in implementer
92 result.add(new TestCase(true, MultipleImplementer1.class,
93 MultipleImplementer1.class, "defaultMethod"));
94 // interface method
95 result.add(new TestCase(true, MultipleImplementer1.class,
96 MultipleImplementer1.class, "testMethod"));
97 // default interface method not redefined in implementer
98 result.add(new TestCase(true, SingleImplementer.class,
99 SingleImplementerInterface.class, "defaultMethod"));
100 // static method
101 result.add(new TestCase(false, SingleSubclass.class,
102 SingleSubclass.class, "staticMethod"));
103 // interface method
104 result.add(new TestCase(false, MultipleSuperImplementers.class,
105 DuplicateSimpleSingleImplementerInterface.class, "interfaceMethod", false));
106 result.add(new TestCase(false, MultipleSuperImplementers.class,
107 SimpleSingleImplementerInterface.class, "interfaceMethod", false));
108 return result;
109 }
110
111 private void runTest(TestCase tcase) throws NoSuchMethodException {
112 System.out.println(tcase);
113 Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
114 HotSpotResolvedJavaMethod testMethod = CTVMUtilities
115 .getResolvedMethod(tcase.methodFromReceiver ? tcase.receiver : tcase.holder, method);
116 HotSpotResolvedObjectType resolvedType = CompilerToVMHelper
117 .lookupType(Utils.toJVMTypeSignature(tcase.receiver), getClass(),
118 /* resolve = */ true);
119 HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper
120 .findUniqueConcreteMethod(resolvedType, testMethod);
121 Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null,
122 "Unexpected concrete method for " + tcase.methodName);
123 }
124
125 private static class TestCase {
126 public final Class<?> receiver;
127 public final Class<?> holder;
128 public final String methodName;
129 public final boolean isPositive;
130 public final boolean methodFromReceiver;
131
132 public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder,
133 String methodName, boolean methodFromReceiver) {
134 this.receiver = clazz;
135 this.methodName = methodName;
136 this.isPositive = isPositive;
137 this.holder = holder;
138 this.methodFromReceiver = methodFromReceiver;
139 }
140
141 public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder, String methodName) {
142 this(isPositive, clazz, holder, methodName, true);
143 }
144
145 @Override
146 public String toString() {
147 return String.format("CASE: receiver=%s, holder=%s, method=%s, isPositive=%s, methodFromReceiver=%s",
148 receiver.getName(), holder.getName(), methodName, isPositive, methodFromReceiver);
149 }
150 }
151 }