testing/test-cases/env-DYLD_LIBRARY_PATH-cache.dtest/main.c

   1
   2 // BUILD:  $CC myzlib.c -dynamiclib -o $BUILD_DIR/override/libz.1.dylib -install_name /usr/lib/libz.1.dylib -compatibility_version 1.0 -framework CoreFoundation
   3 // BUILD:  $CC reexported-myzlib.c -dynamiclib -o $BUILD_DIR/re-export-override/reexported.dylib -compatibility_version 1.0 -framework CoreFoundation -install_name $RUN_DIR/re-export-override/reexported.dylib
   4 // BUILD:  $CC reexporter.c -dynamiclib -o $BUILD_DIR/re-export-override/libz.1.dylib -install_name /usr/lib/libz.1.dylib -compatibility_version 1.0 -Wl,-reexport_library,$BUILD_DIR/re-export-override/reexported.dylib -Wl,-debug_variant
   5 // BUILD:  $CC main.c  -o $BUILD_DIR/env-DYLD_LIBRARY_PATH-cache.exe -lz
   6 // BUILD:  $DYLD_ENV_VARS_ENABLE $BUILD_DIR/env-DYLD_LIBRARY_PATH-cache.exe
   7
   8 // RUN:  ./env-DYLD_LIBRARY_PATH-cache.exe
   9 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/override/ ./env-DYLD_LIBRARY_PATH-cache.exe
  10 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/re-export-override/ ./env-DYLD_LIBRARY_PATH-cache.exe
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <zlib.h>
  16 #include <stdbool.h>
  17 #include <mach-o/dyld_priv.h>
  18
  19 #include "test_support.h"
  20
  21 // The test here is to override libz.1.dylib which is in the dyld cache with our own implementation.
  22
  23 int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
  24     bool expectMyDylib = (getenv("DYLD_LIBRARY_PATH") != NULL) && !_dyld_shared_cache_optimized();
  25
  26     bool usingMyDylib = (strcmp(zlibVersion(), "my") == 0);
  27
  28         if ( usingMyDylib == expectMyDylib )
  29         PASS("Succes");
  30     else
  31         FAIL("Expected %s, got %s", expectMyDylib ? "my" : "os", expectMyDylib ? "os" : "my");
  32 }
  33