@include test-module('Sassdash') {
  @include test('_unique-id') {
    $actual: _times(500, _unique-id);

    @include assert-equal(length(_uniq($actual)), length($actual),
      'should generate unique ids');

    $actual: _unique-id('test-');

    @include assert-equal(_starts-with($actual, 'test-'), true,
      'should prepend prefix to unique id if specified');
  }
}