// If OpenFile is nil, Import uses os.Open.
	OpenFile func(path string) (io.ReadCloser, error)
}

// joinPath calls ctxt.JoinPath (if not nil) or else filepath.Join.
func (ctxt *Context) joinPath(elem ...string) string {
	if f := ctxt.JoinPath; f != nil {
		return f(elem...)
	}
	return filepath.Join(elem...)
}

		if tt.out == "" {
			wantErr = "non-nil error"
		}
		if out, err := JoinPath(tt.base, tt.elem...); out != tt.out || (err == nil) != (tt.out != "") {
			t.Errorf("JoinPath(%q, %q) = %q, %v, want %q, %v", tt.base, tt.elem, out, err, tt.out, wantErr)
		}
		var out string
		u, err := Parse(tt.base)
		if err == nil {
			u = u.JoinPath(tt.elem...)
			out = u.String()
		}

        "_", /*replace_all=*/true);
    if (!cloud_path_.empty()) {
      // We have to join path for non-local filesystem manually to make sure
      // that this test will run on Windows since `tensorflow::io::JoinPath`
      // behaves differently on Windows. `tmp_dir` should be something like
      // `path/to/tmp/dir/`. After joining path, we will have
      // /path/to/tmp/dir/tf_fs_rng_name/`
      root_dir_ = tensorflow::strings::StrCat(

#if !defined(TENSORFLOW_NO_SHARED_OBJECTS)
  {
    // Load the library.
    TF_Status* status = TF_NewStatus();
    string lib_path = tensorflow::GetDataDependencyFilepath(
        tensorflow::io::JoinPath("tensorflow", "c", "test_op1.so"));
    TF_Library* lib = TF_LoadLibrary(lib_path.c_str(), status);
    TF_Code code = TF_GetCode(status);
    string status_msg(TF_Message(status));
    TF_DeleteStatus(status);

                       disable_per_channel_for_dense_layers);
}

std::unique_ptr<FlatBufferModel> ReadModel(const string& model_name) {
  auto model_path = tensorflow::io::JoinPath(*g_test_model_dir, model_name);
  return FlatBufferModel::BuildFromFile(model_path.c_str());
}

template <typename T>
std::vector<T> GetAsVector(const flatbuffers::Vector<T>* vec) {