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 * 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 * @build compiler.jvmci.common.testcases.DuplicateSimpleSingleImplementerInterface
39 * @build compiler.jvmci.common.testcases.SimpleSingleImplementerInterface
40 * @build compiler.jvmci.common.testcases.MultipleImplementer1
41 * @build compiler.jvmci.common.testcases.MultipleSuperImplementers
42 * @build compiler.jvmci.common.testcases.SingleImplementer
43 * @build compiler.jvmci.common.testcases.SingleImplementerInterface
44 * @build compiler.jvmci.common.testcases.SingleSubclass
45 * @build compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
46 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
47 * compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
48 */
49
50 package compiler.jvmci.compilerToVM;
51
52 import compiler.jvmci.common.CTVMUtilities;
53 import compiler.jvmci.common.testcases.DuplicateSimpleSingleImplementerInterface;
54 import compiler.jvmci.common.testcases.SimpleSingleImplementerInterface;
55 import compiler.jvmci.common.testcases.MultipleImplementer1;
56 import compiler.jvmci.common.testcases.MultipleSuperImplementers;
57 import compiler.jvmci.common.testcases.SingleImplementer;
58 import compiler.jvmci.common.testcases.SingleImplementerInterface;
59 import compiler.jvmci.common.testcases.SingleSubclass;
60 import jdk.test.lib.Asserts;
61 import jdk.test.lib.Utils;
62 import jdk.vm.ci.hotspot.CompilerToVMHelper;
63 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
64 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
65
66 import java.lang.reflect.Method;
67 import java.util.HashSet;
68 import java.util.Set;
69
70 public class FindUniqueConcreteMethodTest {
71 public static void main(String args[]) {
72 FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest();
73 try {
74 for (TestCase tcase : createTestCases()) {
75 test.runTest(tcase);
76 }
77 } catch (NoSuchMethodException e) {
78 throw new Error("TEST BUG: can't find method", e);
79 }
80 }
81
82 private static Set<TestCase> createTestCases() {
83 Set<TestCase> result = new HashSet<>();
84 // a public method
85 result.add(new TestCase(true, SingleSubclass.class,
86 SingleSubclass.class, "usualMethod"));
87 // overriden method
88 result.add(new TestCase(true, SingleSubclass.class,
89 SingleSubclass.class, "overridenMethod"));
90 // private method
91 result.add(new TestCase(true, SingleSubclass.class,
92 SingleSubclass.class, "privateMethod"));
93 // protected method
94 result.add(new TestCase(true, SingleSubclass.class,
95 SingleSubclass.class, "protectedMethod"));
96 // default(package-private) method
97 result.add(new TestCase(true, SingleSubclass.class,
98 SingleSubclass.class, "defaultAccessMethod"));
99 // default interface method redefined in implementer
100 result.add(new TestCase(true, MultipleImplementer1.class,
101 MultipleImplementer1.class, "defaultMethod"));
102 // interface method
103 result.add(new TestCase(true, MultipleImplementer1.class,
104 MultipleImplementer1.class, "testMethod"));
105 // default interface method not redefined in implementer
106 result.add(new TestCase(true, SingleImplementer.class,
107 SingleImplementerInterface.class, "defaultMethod"));
108 // static method
109 result.add(new TestCase(false, SingleSubclass.class,
110 SingleSubclass.class, "staticMethod"));
111 // interface method
112 result.add(new TestCase(false, MultipleSuperImplementers.class,
113 DuplicateSimpleSingleImplementerInterface.class, "interfaceMethod", false));
114 result.add(new TestCase(false, MultipleSuperImplementers.class,
115 SimpleSingleImplementerInterface.class, "interfaceMethod", false));
116 return result;
117 }
118
119 private void runTest(TestCase tcase) throws NoSuchMethodException {
120 System.out.println(tcase);
121 Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
122 HotSpotResolvedJavaMethod testMethod = CTVMUtilities
123 .getResolvedMethod(tcase.methodFromReceiver ? tcase.receiver : tcase.holder, method);
124 HotSpotResolvedObjectType resolvedType = CompilerToVMHelper
125 .lookupType(Utils.toJVMTypeSignature(tcase.receiver), getClass(),
126 /* resolve = */ true);
127 HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper
128 .findUniqueConcreteMethod(resolvedType, testMethod);
129 Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null,
130 "Unexpected concrete method for " + tcase.methodName);
131 }
132
133 private static class TestCase {
134 public final Class<?> receiver;
135 public final Class<?> holder;
136 public final String methodName;
137 public final boolean isPositive;
138 public final boolean methodFromReceiver;
139
140 public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder,
141 String methodName, boolean methodFromReceiver) {
142 this.receiver = clazz;
143 this.methodName = methodName;
144 this.isPositive = isPositive;
145 this.holder = holder;
146 this.methodFromReceiver = methodFromReceiver;
147 }
148
149 public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder, String methodName) {
150 this(isPositive, clazz, holder, methodName, true);
151 }
152
153 @Override
154 public String toString() {
155 return String.format("CASE: receiver=%s, holder=%s, method=%s, isPositive=%s, methodFromReceiver=%s",
156 receiver.getName(), holder.getName(), methodName, isPositive, methodFromReceiver);
157 }
158 }
159 }