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

   1
   2 // BUILD:  mkdir -p $BUILD_DIR/override
   3 // BUILD:  mkdir -p $BUILD_DIR/re-export-override
   4 // 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
   5 // BUILD:  $CC reexported-myzlib.c -dynamiclib -o $BUILD_DIR/re-export-override/reexported.dylib -compatibility_version 1.0 -framework CoreFoundation
   6 // 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
   7 // BUILD:  $CC main.c  -o $BUILD_DIR/main.exe -lz
   8 // BUILD:  $DYLD_ENV_VARS_ENABLE $BUILD_DIR/main.exe
   9
  10 // RUN:  ./main.exe
  11 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/override/ ./main.exe
  12 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/re-export-override/ ./main.exe
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include <zlib.h>
  18 #include <stdbool.h>
  19
  20 // The test here is to override libz.1.dylib which is in the dyld cache with our own implementation.
  21
  22 int main()
  23 {
  24     bool expectMyDylib = (getenv("DYLD_LIBRARY_PATH") != NULL);
  25
  26     printf("[BEGIN] env-DYLD_LIBRARY_PATH-cache, %s\n", expectMyDylib ? "my" : "os");
  27
  28     bool usingMyDylib = (strcmp(zlibVersion(), "my") == 0);
  29
  30         if ( usingMyDylib == expectMyDylib )
  31         printf("[PASS] env-DYLD_LIBRARY_PATH-cache, %s\n", expectMyDylib ? "my" : "os");
  32     else
  33         printf("[FAIL] env-DYLD_LIBRARY_PATH-cache, %s\n", expectMyDylib ? "my" : "os");
  34
  35         return 0;
  36 }
  37