dyld-43.tar.gz
[apple/dyld.git] / unit-tests / test-cases / dlsym-error / main.c
1 /*
2 * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23 #include <stdio.h> // fprintf(), NULL
24 #include <stdlib.h> // exit(), EXIT_SUCCESS
25 #include <string.h>
26 #include <dlfcn.h>
27
28 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
29
30
31 int foo()
32 {
33 return 42;
34 }
35
36
37 int main()
38 {
39 void* handle = (void*)0x12345; // bogus value
40
41 // expect dlsym() to return NULL
42 void* sym = dlsym(handle, "foo");
43 if ( sym != NULL ) {
44 FAIL("dlsym(handle, \"foo\") should not have succeeded");
45 exit(1);
46 }
47 // expect dlerro() to mention "handle"
48 if ( strstr(dlerror(), "handle") == NULL ) {
49 FAIL("dlerror() after dlsym(handle, \"foo\") does not mention \"handle\"");
50 exit(1);
51 }
52
53 PASS("dlsym-error");
54 return EXIT_SUCCESS;
55 }