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         // load bundle which indirectly loads libfoo and libbar
  33         NSObjectFileImage ofi;
  34         if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) {
  35                 FAIL("NSCreateObjectFileImageFromFile failed");
  36                 return 1;
  37         }
  38
  39         // link bundle, this will fail because bar2 is missing from libbar
  40         NSModule mod = NSLinkModule(ofi, "test.bundle", NSLINKMODULE_OPTION_RETURN_ON_ERROR);
  41         if ( mod != NULL ) {
  42                 FAIL("NSLinkModule succeeded but should have failed");
  43                 return 1;
  44         }
  45
  46         // load libfoo, this should fail because it can't be loaded
  47         const struct mach_header* mh = NSAddImage("libfoo.dylib", NSADDIMAGE_OPTION_RETURN_ON_ERROR);
  48         if ( mh != NULL ) {
  49                 return 1;
  50         }
  51
  52 #if 0
  53         // find foo
  54         NSSymbol sym = NSLookupSymbolInImage(mh, "_foo", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND);
  55         if ( sym == NULL ) {
  56                 FAIL("NSLookupSymbolInImage failed");
  57                 return 1;
  58         }
  59
  60         // if foo() was only partially bound, this will crash
  61         int (*fooPtr)() = NSAddressOfSymbol(sym);
  62         (*fooPtr)();
  63 #endif
  64         return 0;
  65 }