blob: e7ab1687a148cad94d5d0263df188a6061028d18 [file] [log] [blame]
<!doctype html>
<meta charset=utf-8>
<title>Web Animations API: DocumentTimeline tests</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<iframe src="data:text/html;charset=utf-8," width="10" height="10" id="iframe"></iframe>
'use strict';
test(function() {
assert_equals(document.timeline, document.timeline,
'document.timeline returns the same object every time');
var iframe = document.getElementById('iframe');
assert_not_equals(document.timeline, iframe.contentDocument.timeline,
'document.timeline returns a different object for each document');
assert_not_equals(iframe.contentDocument.timeline, null,
'document.timeline on an iframe is not null');
'document.timeline identity tests',
help: '',
assert: [ 'Each document has a timeline called the document timeline' ],
author: 'Brian Birtles'
async_test(function(t) {
assert_true(document.timeline.currentTime > 0,
'document.timeline.currentTime is positive');
// document.timeline.currentTime should be set even before document
// load fires. We expect this code to be run before document load and hence
// the above assertion is sufficient.
// If the following assertion fails, this test needs to be redesigned.
assert_true(document.readyState !== 'complete',
'Test is running prior to document load');
// Test that the document timeline's current time is measured from
// navigationStart.
// We can't just compare document.timeline.currentTime to
// because currentTime is only updated on a sample
// so we use requestAnimationFrame instead.
window.requestAnimationFrame(t.step_func(function(rafTime) {
assert_equals(document.timeline.currentTime, rafTime,
'document.timeline.currentTime matches' +
' requestAnimationFrame time');
'document.timeline.currentTime value tests',
help: [
assert: [
'The global clock is a source of monotonically increasing time values',
'The time values of the document timeline are calculated as a fixed' +
' offset from the global clock',
'the zero time corresponds to the navigationStart moment',
'the time value of each document timeline must be equal to the time ' +
'passed to animation frame request callbacks for that browsing context'
author: 'Brian Birtles'
async_test(function(t) {
var valueAtStart = document.timeline.currentTime;
var timeAtStart =;
while ( - timeAtStart < 100) {
// Wait 100ms
assert_equals(document.timeline.currentTime, valueAtStart,
'document.timeline.currentTime does not change within a script block');
window.requestAnimationFrame(t.step_func(function() {
assert_true(document.timeline.currentTime > valueAtStart,
'document.timeline.currentTime increases between script blocks');
'document.timeline.currentTime liveness tests',
help: '',
assert: [ 'The value returned by the currentTime attribute of a' +
' document timeline will not change within a script block' ],
author: 'Brian Birtles'