unit-tests/test-cases/bundle-unload-keep-mapped/main.c

   1 /*
   2  * Copyright (c) 2005-2009 Apple 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>
  24 #include <stdbool.h>
  25 #include <mach-o/dyld.h>
  26 #include <Availability.h>
  27
  28 #include "test.h" // PASS(), FAIL()
  29
  30 typedef bool (*CheckFunc)();
  31
  32 int main()
  33 {
  34 // NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
  35 #if __MAC_OS_X_VERSION_MIN_REQUIRED
  36         NSObjectFileImage ofi;
  37         if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) {
  38                 FAIL("NSCreateObjectFileImageFromFile failed");
  39                 return 1;
  40         }
  41
  42         NSModule mod = NSLinkModule(ofi, "test.bundle", NSLINKMODULE_OPTION_NONE);
  43         if ( mod == NULL ) {
  44                 FAIL("NSLinkModule failed");
  45                 return 1;
  46         }
  47
  48         NSSymbol sym = NSLookupSymbolInModule(mod, "_checkdata");
  49         if ( sym == NULL ) {
  50                 FAIL("NSLookupSymbolInModule failed");
  51                 return 1;
  52         }
  53
  54         CheckFunc func = NSAddressOfSymbol(sym);
  55         if ( !func() ) {
  56                 FAIL("NSAddressOfSymbol failed");
  57                 return 1;
  58         }
  59
  60         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_KEEP_MEMORY_MAPPED) ) {
  61                 FAIL("NSUnLinkModule failed");
  62                 return 1;
  63         }
  64
  65         if ( !NSDestroyObjectFileImage(ofi) ) {
  66                 FAIL("NSDestroyObjectFileImage failed");
  67                 return 1;
  68         }
  69
  70         // call function again, even though bundle is unloaded
  71         func();
  72 #endif
  73
  74         PASS("bundle-basic");
  75         return 0;
  76 }