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