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

   1 // BUILD(macos):  $CC myzlib.c -dynamiclib -o $BUILD_DIR/override/libz.1.dylib -install_name /usr/lib/libz.1.dylib -compatibility_version 1.0 -framework CoreFoundation -target x86_64-apple-macos10.16 -target-variant x86_64-apple-ios14.0-macabi
   2 // BUILD(macos):  $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 -target x86_64-apple-macos10.16 -target-variant x86_64-apple-ios14.0-macabi
   3 // BUILD(macos):  $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 -target x86_64-apple-macos10.16 -target-variant x86_64-apple-ios14.0-macabi
   4 // BUILD(macos):  $CC main.c  -o $BUILD_DIR/env-DYLD_LIBRARY_PATH-cache-iOSMac.exe -lz -target x86_64-apple-ios14.0-macabi
   5 // BUILD(macos):  $DYLD_ENV_VARS_ENABLE $BUILD_DIR/env-DYLD_LIBRARY_PATH-cache-iOSMac.exe
   6
   7 // BUILD(ios,tvos,watchos,bridgeos):
   8
   9 // RUN:  ./env-DYLD_LIBRARY_PATH-cache-iOSMac.exe
  10 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/override/ ./env-DYLD_LIBRARY_PATH-cache-iOSMac.exe
  11 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/re-export-override/ ./env-DYLD_LIBRARY_PATH-cache-iOSMac.exe
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <zlib.h>
  17 #include <stdbool.h>
  18 #include <mach-o/dyld_priv.h>
  19
  20 #include "test_support.h"
  21
  22 // The test here is to override libz.1.dylib which is in the dyld cache with our own implementation.
  23
  24 int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
  25     bool expectMyDylib = (getenv("DYLD_LIBRARY_PATH") != NULL) && !_dyld_shared_cache_optimized();
  26
  27     bool usingMyDylib = (strcmp(zlibVersion(), "my") == 0);
  28
  29         if ( usingMyDylib == expectMyDylib )
  30         PASS("Succes");
  31     else
  32         FAIL("Expected %s, got %s", expectMyDylib ? "my" : "os", expectMyDylib ? "os" : "my");
  33 }
  34