Mercurial > hg > truffle
comparison test/compiler/8015436/Test8015436.java @ 10377:fe00365c8f31
8015436: compiler/ciReplay/TestSA.sh fails with assert() index is out of bounds
Summary: The InstanceKlass _initial_method_idnum value must be adjusted if overpass methods are added.
Reviewed-by: twisti, kvn
Contributed-by: serguei.spitsyn@oracle.com
author | sspitsyn |
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date | Thu, 30 May 2013 11:46:39 -0700 |
parents | |
children | 2f004f9dc9e1 |
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10376:a1ebd310d5c1 | 10377:fe00365c8f31 |
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1 /* | |
2 * Copyright (c) 2013, 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 8015436 | |
27 * @summary the IK _initial_method_idnum value must be adjusted if overpass methods are added | |
28 * @run main Test8015436 | |
29 * | |
30 */ | |
31 | |
32 /* | |
33 * The test checks that a MemberName for the defaultMethod() is cached in | |
34 * the class MemberNameTable without a crash in the VM fastdebug mode. | |
35 * The original issue was that the InstanceKlass _initial_method_idnum was | |
36 * not adjusted properly when the overpass methods are added to the class. | |
37 * The expected/correct behavior: The test does not crash nor throw any exceptions. | |
38 * All the invocations of the defaultMethod() must be completed successfully. | |
39 */ | |
40 | |
41 import java.lang.invoke.*; | |
42 | |
43 interface InterfaceWithDefaultMethod { | |
44 public void someMethod(); | |
45 | |
46 default public void defaultMethod(String str){ | |
47 System.out.println("defaultMethod() " + str); | |
48 } | |
49 } | |
50 | |
51 class Test8015436 implements InterfaceWithDefaultMethod { | |
52 @Override | |
53 public void someMethod() { | |
54 System.out.println("someMethod() invoked"); | |
55 } | |
56 | |
57 public static void main(String[] args) throws Throwable { | |
58 Test8015436 testObj = new Test8015436(); | |
59 testObj.someMethod(); | |
60 testObj.defaultMethod("invoked directly"); | |
61 | |
62 MethodHandles.Lookup lookup = MethodHandles.lookup(); | |
63 MethodType mt = MethodType.methodType(void.class, String.class); | |
64 MethodHandle mh = lookup.findVirtual(Test8015436.class, "defaultMethod", mt); | |
65 mh.invokeExact(testObj, "invoked via a MethodHandle"); | |
66 } | |
67 } | |
68 | |
69 /* | |
70 * A successful execution gives the output: | |
71 * someMethod() invoked | |
72 * defaultMethod() invoked directly | |
73 * defaultMethod() invoked via a MethodHandle | |
74 */ |