unit-tests/test-cases/bundle-unload-keep-mapped/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 <stdbool.h>
  25 #include <mach-o/dyld.h>
  26
  27 #include "test.h" // PASS(), FAIL()
  28
  29 typedef bool (*CheckFunc)();
  30
  31 int main()
  32 {
  33         NSObjectFileImage ofi;
  34         if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) {
  35                 FAIL("NSCreateObjectFileImageFromFile failed");
  36                 return 1;
  37         }
  38
  39         NSModule mod = NSLinkModule(ofi, "test.bundle", NSLINKMODULE_OPTION_NONE);
  40         if ( mod == NULL ) {
  41                 FAIL("NSLinkModule failed");
  42                 return 1;
  43         }
  44
  45         NSSymbol sym = NSLookupSymbolInModule(mod, "_checkdata");
  46         if ( sym == NULL ) {
  47                 FAIL("NSLookupSymbolInModule failed");
  48                 return 1;
  49         }
  50
  51         CheckFunc func = NSAddressOfSymbol(sym);
  52         if ( !func() ) {
  53                 FAIL("NSAddressOfSymbol failed");
  54                 return 1;
  55         }
  56
  57         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_KEEP_MEMORY_MAPPED) ) {
  58                 FAIL("NSUnLinkModule failed");
  59                 return 1;
  60         }
  61
  62         if ( !NSDestroyObjectFileImage(ofi) ) {
  63                 FAIL("NSDestroyObjectFileImage failed");
  64                 return 1;
  65         }
  66
  67         // call function again, even though bundle is unloaded
  68         func();
  69
  70
  71         PASS("bundle-basic");
  72         return 0;
  73 }