unit-tests/test-cases/bundle-multi-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 <mach-o/dyld.h>
  25 #include <Availability.h>
  26
  27 #include "test.h" // PASS(), FAIL()
  28
  29 ///
  30 /// The point of this test is to load the same bundle file multiple times and
  31 /// verify each time it is linked is a new instantiations (new globals, etc)
  32 ///
  33
  34 int main()
  35 {
  36 // NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
  37 #if __MAC_OS_X_VERSION_MIN_REQUIRED
  38         NSObjectFileImage ofi;
  39         if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) {
  40                 FAIL("NSCreateObjectFileImageFromFile failed");
  41                 return 0;
  42         }
  43
  44         NSModule mod = NSLinkModule(ofi, "test.bundle", NSLINKMODULE_OPTION_NONE);
  45         if ( mod == NULL ) {
  46                 FAIL("NSLinkModule failed");
  47                 return 0;
  48         }
  49
  50         NSSymbol sym = NSLookupSymbolInModule(mod, "_foo");
  51         if ( sym == NULL ) {
  52                 FAIL("NSLookupSymbolInModule failed");
  53                 return 0;
  54         }
  55
  56         void* func = NSAddressOfSymbol(sym);
  57         //fprintf(stderr, "1st address of foo() = %p in module %p in OFI %p\n", func, mod, ofi);
  58
  59
  60         NSObjectFileImage ofi2;
  61         if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi2) != NSObjectFileImageSuccess ) {
  62                 FAIL("2nd NSCreateObjectFileImageFromFile failed");
  63                 return 0;
  64         }
  65
  66         NSModule mod2 = NSLinkModule(ofi2, "test2.bundle", NSLINKMODULE_OPTION_NONE);
  67         if ( mod2 == NULL ) {
  68                 FAIL("2nd NSLookupSymbolInModule failed");
  69                 return 0;
  70         }
  71         if ( mod == mod2 ) {
  72                 FAIL("2nd NSLinkModule return same function address as first\n");
  73                 return 0;
  74         }
  75
  76         NSSymbol sym2 = NSLookupSymbolInModule(mod2, "_foo");
  77         if ( sym2 == NULL ) {
  78                 FAIL("2nd NSLookupSymbolInModule failed\n");
  79                 return 0;
  80         }
  81
  82         void* func2 = NSAddressOfSymbol(sym2);
  83         //fprintf(stderr, "2nd address of foo() = %p in module %p in OFI %p\n", func2, mod2, ofi2);
  84         if ( func == func2 ) {
  85                 FAIL("2nd NSAddressOfSymbol return same function address as 1st\n");
  86                 return 0;
  87         }
  88
  89
  90         NSObjectFileImage ofi3;
  91         if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi3) != NSObjectFileImageSuccess ) {
  92                 FAIL("3rd NSCreateObjectFileImageFromFile failed");
  93                 return 0;
  94         }
  95         NSModule mod3 = NSLinkModule(ofi3, "test3.bundle", NSLINKMODULE_OPTION_NONE);
  96         if ( mod3 == NULL ) {
  97                 FAIL("3rd NSLinkModule failed\n");
  98                 return 0;
  99         }
 100         if ( mod3 == mod ) {
 101                 FAIL("3rd NSLinkModule return same function address as 1st\n");
 102                 return 0;
 103         }
 104         if ( mod3 == mod2 ) {
 105                 FAIL("3rd NSLinkModule return same function address as 2nd\n");
 106                 return 0;
 107         }
 108
 109    NSSymbol sym3 = NSLookupSymbolInModule(mod3, "_foo");
 110         if ( sym3 == NULL ) {
 111                 FAIL("3rd NSLookupSymbolInModule failed\n");
 112                 return 0;
 113         }
 114         void* func3 = NSAddressOfSymbol(sym3);
 115         //fprintf(stderr, "3rd address of foo() = %p in module %p in OFI %p\n", func3, mod3, ofi3);
 116         if ( func3 == func ) {
 117                 FAIL("3rd NSAddressOfSymbol return same function address as 1st\n");
 118                 return 0;
 119         }
 120         if ( func3 == func2 ) {
 121                 FAIL("3rd NSAddressOfSymbol return same function address as 2nd\n");
 122                 return 0;
 123         }
 124
 125         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
 126                 FAIL("NSUnLinkModule failed");
 127                 return 0;
 128         }
 129
 130         if ( !NSUnLinkModule(mod3, NSUNLINKMODULE_OPTION_NONE) ) {
 131                 FAIL("3rd NSUnLinkModule failed");
 132                 return 0;
 133         }
 134
 135         // note, we are calling NSDestroyObjectFileImage() before NSUnLinkModule()
 136         if ( !NSDestroyObjectFileImage(ofi2) ) {
 137                 FAIL("2nd NSDestroyObjectFileImage failed");
 138                 return 0;
 139         }
 140         if ( !NSUnLinkModule(mod2, NSUNLINKMODULE_OPTION_NONE) ) {
 141                 FAIL("2nd NSUnLinkModule failed");
 142                 return 0;
 143         }
 144
 145         if ( !NSDestroyObjectFileImage(ofi) ) {
 146                 FAIL("1st NSDestroyObjectFileImage failed");
 147                 return 0;
 148         }
 149         if ( !NSDestroyObjectFileImage(ofi3) ) {
 150                 FAIL("3rd NSDestroyObjectFileImage failed");
 151                 return 0;
 152         }
 153 #endif
 154         PASS("bundle-multi-load");
 155         return 0;
 156 }
 157