|
1 /* |
|
2 * Copyright (c) 2017, 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 8174962 |
|
27 * @summary Redefine class with interface method call |
|
28 * @library /testlibrary /test/lib |
|
29 * @modules java.base/jdk.internal.misc |
|
30 * @modules java.compiler |
|
31 * java.instrument |
|
32 * jdk.jartool/sun.tools.jar |
|
33 * @run main RedefineClassHelper |
|
34 * @run main/othervm -javaagent:redefineagent.jar RedefineInterfaceCall |
|
35 */ |
|
36 |
|
37 import static jdk.testlibrary.Asserts.assertEquals; |
|
38 |
|
39 interface I1 { default int m() { return 0; } } |
|
40 interface I2 extends I1 {} |
|
41 |
|
42 public class RedefineInterfaceCall { |
|
43 |
|
44 public static class C implements I2 { |
|
45 public int test(I2 i) { |
|
46 return i.m(); // invokeinterface cpCacheEntry |
|
47 } |
|
48 } |
|
49 |
|
50 static String newI1 = |
|
51 "interface I1 { default int m() { return 1; } }"; |
|
52 |
|
53 static String newC = |
|
54 "public class RedefineInterfaceCall$C implements I2 { " + |
|
55 " public int test(I2 i) { " + |
|
56 " return i.m(); " + |
|
57 " } " + |
|
58 "} "; |
|
59 |
|
60 static int test(I2 i) { |
|
61 return i.m(); // invokeinterface cpCacheEntry |
|
62 } |
|
63 |
|
64 public static void main(String[] args) throws Exception { |
|
65 C c = new C(); |
|
66 |
|
67 assertEquals(test(c), 0); |
|
68 assertEquals(c.test(c), 0); |
|
69 |
|
70 RedefineClassHelper.redefineClass(C.class, newC); |
|
71 |
|
72 assertEquals(c.test(c), 0); |
|
73 |
|
74 RedefineClassHelper.redefineClass(I1.class, newI1); |
|
75 |
|
76 assertEquals(test(c), 1); |
|
77 assertEquals(c.test(c), 1); |
|
78 |
|
79 RedefineClassHelper.redefineClass(C.class, newC); |
|
80 |
|
81 assertEquals(c.test(c), 1); |
|
82 } |
|
83 } |