BadNameAndType.java revision 9884:06da8d1995bd 
1/*
2 * Copyright (c) 2015, 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.
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23 */
24
25/*
26 * @test
27 * @bug 8042660
28 * @summary Constant pool NameAndType entries must point to non-zero length Utf8 strings
29 * @compile emptySigUtf8.jcod
30 * @compile emptyNameUtf8.jcod
31 * @run main/othervm -Xverify:all BadNameAndType
32 */
33
34// Test that a constant pool NameAndType descriptor_index and/or name_index
35// that points to a zero length Utf8 string causes a ClassFormatError.
36public class BadNameAndType {
37    public static void main(String args[]) throws Throwable {
38
39        System.out.println("Regression test for bug 8042660");
40
41        // Test descriptor_index pointing to zero-length string.
42        try {
43            Class newClass = Class.forName("emptySigUtf8");
44            throw new RuntimeException("Expected ClassFormatError exception not thrown");
45        } catch (java.lang.ClassFormatError e) {
46            System.out.println("Test BadNameAndType passed test case emptySigUtf8");
47        }
48
49        // Test name_index pointing to zero-length string.
50        try {
51            Class newClass = Class.forName("emptyNameUtf8");
52            throw new RuntimeException("Expected ClassFormatError exception not thrown");
53        } catch (java.lang.ClassFormatError e) {
54            System.out.println("Test BadNameAndType passed test case emptyNameUtf8");
55        }
56    }
57}
58