unit-tests/test-cases/partial-library-load/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>
  24 #include <string.h>
  25 #include <mach-o/dyld.h>
  26
  27 #include "test.h" // PASS(), FAIL()
  28
  29
  30 int main()
  31 {
  32 // NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
  33 #if __MAC_OS_X_VERSION_MIN_REQUIRED
  34         // load bundle which indirectly loads libfoo and libbar
  35         NSObjectFileImage ofi;
  36         if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) {
  37                 FAIL("NSCreateObjectFileImageFromFile failed");
  38                 return 1;
  39         }
  40
  41         // link bundle, this will fail because bar2 is missing from libbar
  42         NSModule mod = NSLinkModule(ofi, "test.bundle", NSLINKMODULE_OPTION_RETURN_ON_ERROR);
  43         if ( mod != NULL ) {
  44                 FAIL("NSLinkModule succeeded but should have failed");
  45                 return 1;
  46         }
  47
  48         // load libfoo, this should fail because it can't be loaded
  49         const struct mach_header* mh = NSAddImage("libfoo.dylib", NSADDIMAGE_OPTION_RETURN_ON_ERROR);
  50         if ( mh != NULL ) {
  51                 return 1;
  52         }
  53 #endif
  54 #if 0
  55         // find foo
  56         NSSymbol sym = NSLookupSymbolInImage(mh, "_foo", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND);
  57         if ( sym == NULL ) {
  58                 FAIL("NSLookupSymbolInImage failed");
  59                 return 1;
  60         }
  61
  62         // if foo() was only partially bound, this will crash
  63         int (*fooPtr)() = NSAddressOfSymbol(sym);
  64         (*fooPtr)();
  65 #endif
  66         return 0;
  67 }