{ lib, stdenv, cffi }:

if cffi == null then null else cffi.overridePythonAttrs {
  disabledTests = lib.optionals stdenv.isDarwin [
    # cannot load library 'c'
    "test_FILE"
    "test_FILE_object"
    "test_FILE_only_for_FILE_arg"
    "test_load_and_call_function"
    "test_load_library"

    # cannot load library 'dl'
    "test_dlopen_handle"

    # cannot load library 'm'
    "test_dir_on_dlopen_lib"
    "test_dlclose"
    "test_dlopen"
    "test_dlopen_constant"
    "test_dlopen_flags"
    "test_function_typedef"
    "test_line_continuation_in_defines"
    "test_missing_function"
    "test_remove_comments"
    "test_remove_line_continuation_comments"
    "test_simple"
    "test_sin"
    "test_sinf"
    "test_stdcall_only_on_windows"
    "test_wraps_from_stdlib"

    # MemoryError
    "test_callback_as_function_argument"
    "test_callback_crash"
    "test_callback_decorator"
    "test_callback_large_struct"
    "test_callback_returning_void"
    "test_cast_functionptr_and_int"
    "test_function_pointer"
    "test_functionptr_intptr_return"
    "test_functionptr_simple"
    "test_functionptr_void_return"
    "test_functionptr_voidptr_return"
  ];
}