tests/lib_2/html/element_animate_simple_timing_test.dart

// Copyright (c) 2020, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

library element_animate_test;

import 'dart:async';
import 'dart:html';

import 'package:async_helper/async_minitest.dart';

main() {
  test('simple timing', () {
    if (Animation.supported) {
      var body = document.body;
      var opacity = num.parse(body.getComputedStyle().opacity);
      body.animate([
        {"opacity": 100},
        {"opacity": 0}
      ], 100);
      var newOpacity = num.parse(body.getComputedStyle().opacity);
      expect(newOpacity == opacity, isTrue);
    }
  });
}