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

   1
   2 // BUILD:  mkdir -p $BUILD_DIR/override
   3 // 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
   4 // BUILD:  $CC main.c  -o $BUILD_DIR/main.exe -lz
   5 // BUILD:  $DYLD_ENV_VARS_ENABLE $BUILD_DIR/main.exe
   6
   7 // RUN:  ./main.exe
   8 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/override/ ./main.exe
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <zlib.h>
  14 #include <stdbool.h>
  15
  16 // The test here is to override libz.1.dylib which is in the dyld cache with our own implementation.
  17
  18 int main()
  19 {
  20     bool expectMyDylib = (getenv("DYLD_LIBRARY_PATH") != NULL);
  21
  22     printf("[BEGIN] env-DYLD_LIBRARY_PATH-cache, %s\n", expectMyDylib ? "my" : "os");
  23
  24     bool usingMyDylib = (strcmp(zlibVersion(), "my") == 0);
  25
  26         if ( usingMyDylib == expectMyDylib )
  27         printf("[PASS] env-DYLD_LIBRARY_PATH-cache, %s\n", expectMyDylib ? "my" : "os");
  28     else
  29         printf("[FAIL] env-DYLD_LIBRARY_PATH-cache, %s\n", expectMyDylib ? "my" : "os");
  30
  31         return 0;
  32 }
  33