Mercurial > hg > graal-jvmci-8
comparison test/serviceability/jvmti/UnresolvedClassAgent.java @ 14648:4c76be9856fc
8035150: ShouldNotReachHere() in ConstantPool::copy_entry_to
Reviewed-by: dcubed, mgronlun
author | sla |
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date | Wed, 26 Feb 2014 15:47:44 +0100 |
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14482:5e7eb4244604 | 14648:4c76be9856fc |
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1 /* | |
2 * Copyright (c) 2014, 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 import java.io.DataInputStream; | |
25 import java.io.File; | |
26 import java.io.FileInputStream; | |
27 import java.lang.instrument.ClassDefinition; | |
28 import java.lang.instrument.Instrumentation; | |
29 | |
30 /* | |
31 * This class is present during compilation, but will be deleted before execution. | |
32 */ | |
33 class MyUnresolvedClass { | |
34 static void bar() { | |
35 } | |
36 } | |
37 | |
38 class MyRedefinedClass { | |
39 static void foo() { | |
40 MyUnresolvedClass.bar(); | |
41 } | |
42 } | |
43 | |
44 public class UnresolvedClassAgent { | |
45 public static void main(String... args) { | |
46 } | |
47 | |
48 public static void premain(String args, Instrumentation inst) throws Exception { | |
49 try { | |
50 MyRedefinedClass.foo(); | |
51 } catch(NoClassDefFoundError err) { | |
52 System.out.println("NoClassDefFoundError (expected)"); | |
53 } | |
54 | |
55 File f = new File(System.getProperty("test.classes"), "MyRedefinedClass.class"); | |
56 byte[] buf = new byte[(int)f.length()]; | |
57 try (DataInputStream dis = new DataInputStream(new FileInputStream(f))) { | |
58 dis.readFully(buf); | |
59 } | |
60 ClassDefinition cd = new ClassDefinition(MyRedefinedClass.class, buf); | |
61 inst.redefineClasses(new ClassDefinition[] {cd}); | |
62 | |
63 try { | |
64 MyRedefinedClass.foo(); | |
65 } catch(NoClassDefFoundError err) { | |
66 System.out.println("NoClassDefFoundError (expected again)"); | |
67 } | |
68 } | |
69 } |