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.testcases.MultipleImplementer1;
44 import compiler.jvmci.common.testcases.SingleImplementer;
45 import compiler.jvmci.common.testcases.SingleSubclass;
46 import compiler.jvmci.common.CTVMUtilities;
47 import compiler.jvmci.common.testcases.SingleImplementerInterface;
48 import java.lang.reflect.Method;
49 import java.util.HashSet;
50 import java.util.Set;
51 import jdk.vm.ci.hotspot.CompilerToVMHelper;
52 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
53 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
54 import jdk.test.lib.Asserts;
55 import jdk.test.lib.Utils;
56
57 public 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 }