unit-tests/test-cases/dlclose-basic/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 <dlfcn.h>
  26
  27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  28
  29
  30
  31 int main()
  32 {
  33         // regular open
  34         void* handle = dlopen("test.bundle", RTLD_LAZY);
  35         if ( handle == NULL ) {
  36                 FAIL("dlopen(\"test.bundle\", RTLD_LAZY) failed");
  37                 exit(1);
  38         }
  39
  40         // regular close
  41         int result = dlclose(handle);
  42         if ( result != 0 ) {
  43                 FAIL("dlclose() failed");
  44                 exit(1);
  45         }
  46
  47         // now try to close again (expect to fail)
  48         result = dlclose(handle);
  49         if ( result != -1 ) {
  50                 FAIL("dlclose() on released handle should have returned -1, but returned %d", result);
  51                 exit(1);
  52         }
  53
  54         // now try to close a bad handle value (expect to fail)
  55         result = dlclose((void*)0x12345);
  56         if ( result != -1 ) {
  57                 FAIL("dlclose() on bogus handle should have returned -1, but returned %d", result);
  58                 exit(1);
  59         }
  60
  61         PASS("dlclose-basic");
  62         return EXIT_SUCCESS;
  63 }