Files
sdk/tests/html/request_animation_frame_test.dart
T
gram@google.com 981c4b11df Restructure pkg/unittest and pkg/webdriver to follow the pub conventions.
This means all imports of unittest in our test code had to change to include 'lib' in the path.
While doing that change I changed the library/imports to the new syntax in the affected files.
Review URL: https://codereview.chromium.org//11301046

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@14443 260f80e4-7a28-3924-810f-c04153c831b5
2012-11-01 23:09:47 +00:00

56 lines
1.8 KiB
Dart

// Copyright (c) 2012, 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.
library RequestAnimationFrameTest;
import '../../pkg/unittest/lib/unittest.dart';
import '../../pkg/unittest/lib/html_config.dart';
import 'dart:html';
main() {
useHtmlConfiguration();
test('oneShot', () {
var frame = window.requestAnimationFrame(
expectAsync1((timestamp) { }));
});
test('twoShot', () {
var frame = window.requestAnimationFrame(
expectAsync1((timestamp1) {
window.requestAnimationFrame(
expectAsync1((timestamp2) {
// Not monotonic on Safari and IE.
// expect(timestamp2, greaterThan(timestamp1),
// reason: 'timestamps ordered');
}));
}));
});
// How do we test that a callback is never called? We can't wrap the uncalled
// callback with 'expectAsync1'. Will request several frames and try
// cancelling the one that is not the last.
test('cancel1', () {
var frame1 = window.requestAnimationFrame(
(timestamp1) {
throw new Exception('Should have been cancelled');
});
var frame2 = window.requestAnimationFrame(
expectAsync1((timestamp2) { }));
window.cancelAnimationFrame(frame1);
});
test('cancel2', () {
var frame1 = window.requestAnimationFrame(
expectAsync1((timestamp1) { }));
var frame2 = window.requestAnimationFrame(
(timestamp2) {
throw new Exception('Should have been cancelled');
});
var frame3 = window.requestAnimationFrame(
expectAsync1((timestamp3) { }));
window.cancelAnimationFrame(frame2);
});
}