1 /*
2 * Copyright (c) 2014, 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 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
27 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI jdk.vm.ci.runtime.test.ResolvedJavaTypeResolveConcreteMethodTest
28 */
29
30 package jdk.vm.ci.runtime.test;
31
32 import static org.junit.Assert.*;
33 import jdk.vm.ci.meta.*;
34 import jdk.vm.ci.runtime.*;
35
36 import org.junit.*;
37
38 public class ResolvedJavaTypeResolveConcreteMethodTest {
39 public final MetaAccessProvider metaAccess;
40
41 public ResolvedJavaTypeResolveConcreteMethodTest() {
42 metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess();
43 }
44
45 protected abstract static class A {
46 @SuppressWarnings("unused")
47 private void priv() {
48 }
49
50 public void v1() {
51 }
52
53 public void v2() {
54 }
55
56 public abstract void abs();
57 }
58
59 protected static class B extends A implements I {
60 public void i() {
61 }
62
63 @Override
64 public void v2() {
65 }
66
67 @Override
68 public void abs() {
69
70 }
71 }
72
73 protected static class C extends B {
74 public void d() {
75 }
76 }
77
78 protected abstract static class D extends A {
79
80 }
81
82 protected static class E extends D {
83 @Override
84 public void abs() {
85 }
86 }
87
88 protected interface I {
89 void i();
90
91 default void d() {
92 }
93 }
94
95 @Test
96 public void testDefaultMethod() {
97 ResolvedJavaType i = getType(I.class);
98 ResolvedJavaType b = getType(B.class);
99 ResolvedJavaType c = getType(C.class);
100 ResolvedJavaMethod di = getMethod(i, "d");
101 ResolvedJavaMethod dc = getMethod(c, "d");
102
103 assertEquals(di, i.resolveConcreteMethod(di, c));
104 assertEquals(di, b.resolveConcreteMethod(di, c));
105 assertEquals(dc, c.resolveConcreteMethod(di, c));
106 }
107
108 @Test
109 public void testPrivateMethod() {
110 ResolvedJavaType a = getType(A.class);
111 ResolvedJavaType b = getType(B.class);
112 ResolvedJavaType c = getType(C.class);
113 ResolvedJavaMethod priv = getMethod(a, "priv");
114
115 assertNull(a.resolveConcreteMethod(priv, c));
116 assertNull(b.resolveConcreteMethod(priv, c));
117 }
118
119 @Test
120 public void testAbstractMethod() {
121 ResolvedJavaType a = getType(A.class);
122 ResolvedJavaType b = getType(B.class);
123 ResolvedJavaType c = getType(C.class);
124 ResolvedJavaType d = getType(D.class);
125 ResolvedJavaType e = getType(E.class);
126 ResolvedJavaMethod absa = getMethod(a, "abs");
127 ResolvedJavaMethod absb = getMethod(b, "abs");
128 ResolvedJavaMethod abse = getMethod(e, "abs");
129
130 assertNull(a.resolveConcreteMethod(absa, c));
131 assertNull(d.resolveConcreteMethod(absa, c));
132
133 assertEquals(absb, b.resolveConcreteMethod(absa, c));
134 assertEquals(absb, b.resolveConcreteMethod(absb, c));
135 assertEquals(absb, c.resolveConcreteMethod(absa, c));
136 assertEquals(absb, c.resolveConcreteMethod(absb, c));
137 assertEquals(abse, e.resolveConcreteMethod(absa, c));
138 assertNull(e.resolveConcreteMethod(absb, c));
139 assertEquals(abse, e.resolveConcreteMethod(abse, c));
140 }
141
142 @Test
143 public void testVirtualMethod() {
144 ResolvedJavaType a = getType(A.class);
145 ResolvedJavaType b = getType(B.class);
146 ResolvedJavaType c = getType(C.class);
147 ResolvedJavaMethod v1a = getMethod(a, "v1");
148 ResolvedJavaMethod v2a = getMethod(a, "v2");
149 ResolvedJavaMethod v2b = getMethod(b, "v2");
150
151 assertEquals(v1a, a.resolveConcreteMethod(v1a, c));
152 assertEquals(v1a, b.resolveConcreteMethod(v1a, c));
153 assertEquals(v1a, c.resolveConcreteMethod(v1a, c));
154 assertEquals(v2a, a.resolveConcreteMethod(v2a, c));
155 assertEquals(v2b, b.resolveConcreteMethod(v2a, c));
156 assertEquals(v2b, b.resolveConcreteMethod(v2b, c));
157 assertEquals(v2b, c.resolveConcreteMethod(v2a, c));
158 assertEquals(v2b, c.resolveConcreteMethod(v2b, c));
159
160 }
161
162 static ResolvedJavaMethod getMethod(ResolvedJavaType type, String methodName) {
163 for (ResolvedJavaMethod method : type.getDeclaredMethods()) {
164 if (method.getName().equals(methodName)) {
165 return method;
166 }
167 }
168 throw new IllegalArgumentException();
169 }
170
171 protected ResolvedJavaType getType(Class<?> clazz) {
172 ResolvedJavaType type = metaAccess.lookupJavaType(clazz);
173 type.initialize();
174 return type;
175 }
176 }