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comparison test/runtime/7160757/Test7160757.java @ 6155:d558e01a72c0

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7160757: Problem with hotspot/runtime_classfile Summary: Allow only current and super invokespecials of <init> Reviewed-by: never, coleenp, dcubed
author kamg
date Thu, 03 May 2012 15:37:46 -0400
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6153:aa07e41a9f80 6155:d558e01a72c0
1 /*
2 * Copyright (c) 2012, 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 Test7160757.java
26 * @bug 7160757
27 * @summary Tests that superclass initialization is not skipped
28 */
29
30 public class Test7160757 {
31
32 public static void main(String args[]) throws Exception {
33
34 ClassLoader loader = new SLoader();
35 try {
36 Class.forName("S", true, loader);
37 System.out.println("FAILED");
38 throw new Exception("Should have thrown a VerifyError.");
39 } catch (VerifyError e) {
40 System.out.println(e);
41 System.out.println("PASSED");
42 }
43 }
44
45 static class SLoader extends ClassLoader {
46
47 /**
48 * public class S extends Throwable {
49 * public S() {
50 * aload_0
51 * invokespecial Object.<init>()
52 * return
53 * }
54 * }
55 */
56 static byte b(int i) { return (byte)i; }
57 static byte S_class[] = {
58 b(0xca), b(0xfe), b(0xba), b(0xbe), 0x00, 0x00, 0x00, 0x32,
59 0x00, 0x0c, 0x0a, 0x00, 0x0b, 0x00, 0x07, 0x07,
60 0x00, 0x08, 0x07, 0x00, 0x09, 0x01, 0x00, 0x06,
61 0x3c, 0x69, 0x6e, 0x69, 0x74, 0x3e, 0x01, 0x00,
62 0x03, 0x28, 0x29, 0x56, 0x01, 0x00, 0x04, 0x43,
63 0x6f, 0x64, 0x65, 0x0c, 0x00, 0x04, 0x00, 0x05,
64 0x01, 0x00, 0x01, 0x53, 0x01, 0x00, 0x13, 0x6a,
65 0x61, 0x76, 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67,
66 0x2f, 0x54, 0x68, 0x72, 0x6f, 0x77, 0x61, 0x62,
67 0x6c, 0x65, 0x01, 0x00, 0x10, 0x6a, 0x61, 0x76,
68 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, 0x4f,
69 0x62, 0x6a, 0x65, 0x63, 0x74, 0x07, 0x00, 0x0a,
70 0x00, 0x21, 0x00, 0x02, 0x00, 0x03, 0x00, 0x00,
71 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x04,
72 0x00, 0x05, 0x00, 0x01, 0x00, 0x06, 0x00, 0x00,
73 0x00, 0x11, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00,
74 0x00, 0x05, 0x2a, b(0xb7), 0x00, 0x01, b(0xb1), 0x00,
75 0x00, 0x00, 0x00, 0x00, 0x00
76 };
77
78 public Class findClass(String name) throws ClassNotFoundException {
79 return defineClass(name, S_class, 0, S_class.length);
80 }
81 }
82 }