blob: 6e9a802574950d92f6b7b966b3dc8b0e1e9711db [file] [log] [blame]
// Copyright (c) 2014, 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.
/// @assertion Future<num> get animationFrame
/// Returns a Future that completes just before the window is about to repaint
/// so the user can draw an animation frame.
/// The Future completes to a timestamp that represents a floating point value
/// of the number of milliseconds that have elapsed since the page started to load
/// (which is also the timestamp at this call to animationFrame).
/// @description Checks that the Future completes with a floating point value
import "dart:html";
import "dart:async";
import "../../../Utils/expect.dart";
main() {
Window nw = document.window as Window;
Future<num> animationFrame = nw.animationFrame;
animationFrame.then((num) {
Expect.isTrue(num is double);