Mon, 18 Dec 2017 18:18:10 -0500
8189851: [TESTBUG] runtime/RedefineTests/RedefineInterfaceCall.java fails
Summary: modified jtreg tags and package import to work with JDK 8
Reviewed-by: vlivanov, dholmes
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 */
24 /*
25 * @test
26 * @bug 8174962
27 * @summary Redefine class with interface method call
28 * @library /testlibrary
29 * @build RedefineClassHelper
30 * @run main RedefineClassHelper
31 * @run main/othervm -javaagent:redefineagent.jar -XX:TraceRedefineClasses=3174407 RedefineInterfaceCall
32 */
34 import static com.oracle.java.testlibrary.Asserts.assertEquals;
36 interface I1 { default int m() { return 0; } }
37 interface I2 extends I1 {}
39 public class RedefineInterfaceCall {
41 public static class C implements I2 {
42 public int test(I2 i) {
43 return i.m(); // invokeinterface cpCacheEntry
44 }
45 }
47 static String newI1 =
48 "interface I1 { default int m() { return 1; } }";
50 static String newC =
51 "public class RedefineInterfaceCall$C implements I2 { " +
52 " public int test(I2 i) { " +
53 " return i.m(); " +
54 " } " +
55 "} ";
57 static int test(I2 i) {
58 return i.m(); // invokeinterface cpCacheEntry
59 }
61 public static void main(String[] args) throws Exception {
62 C c = new C();
64 assertEquals(test(c), 0);
65 assertEquals(c.test(c), 0);
67 RedefineClassHelper.redefineClass(C.class, newC);
69 assertEquals(c.test(c), 0);
71 RedefineClassHelper.redefineClass(I1.class, newI1);
73 assertEquals(test(c), 1);
74 assertEquals(c.test(c), 1);
76 RedefineClassHelper.redefineClass(C.class, newC);
78 assertEquals(c.test(c), 1);
79 }
80 }