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78 lines
3.1 KiB
HTML
78 lines
3.1 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Default document timeline tests</title>
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<link rel="help" href="https://w3c.github.io/web-animations/#the-documents-default-timeline">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<iframe width="10" height="10" id="iframe"></iframe>
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<script>
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'use strict';
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test(function() {
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assert_equals(document.timeline, document.timeline,
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'document.timeline returns the same object every time');
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var iframe = document.getElementById('iframe');
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assert_not_equals(document.timeline, iframe.contentDocument.timeline,
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'document.timeline returns a different object for each document');
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assert_not_equals(iframe.contentDocument.timeline, null,
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'document.timeline on an iframe is not null');
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}, 'document.timeline identity tests');
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promise_test(function(t) {
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assert_true(document.timeline.currentTime > 0,
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'document.timeline.currentTime is positive');
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// document.timeline.currentTime should be set even before document
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// load fires. We expect this code to be run before document load and hence
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// the above assertion is sufficient.
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// If the following assertion fails, this test needs to be redesigned.
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assert_true(document.readyState !== 'complete',
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'Test is running prior to document load');
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// Test that the document timeline's current time is measured from
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// navigationStart.
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//
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// We can't just compare document.timeline.currentTime to
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// window.performance.now() because currentTime is only updated on a sample
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// so we use requestAnimationFrame instead.
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return window.requestAnimationFrame(t.step_func(function(rafTime) {
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assert_equals(document.timeline.currentTime, rafTime,
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'document.timeline.currentTime matches' +
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' requestAnimationFrame time');
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}));
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}, 'document.timeline.currentTime value tests');
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promise_test(function(t) {
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var valueAtStart = document.timeline.currentTime;
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var timeAtStart = window.performance.now();
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while (window.performance.now() - timeAtStart < 100) {
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// Wait 100ms
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}
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assert_equals(document.timeline.currentTime, valueAtStart,
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'document.timeline.currentTime does not change within a script block');
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return window.requestAnimationFrame(t.step_func(function() {
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assert_true(document.timeline.currentTime > valueAtStart,
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'document.timeline.currentTime increases between script blocks');
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}));
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}, 'document.timeline.currentTime liveness tests');
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async_test(function(t) {
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var startTime = document.timeline.currentTime;
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var firstRafTime;
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requestAnimationFrame(function() {
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t.step(function() {
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assert_greater_than_equal(document.timeline.currentTime, startTime, 'currentTime should have progressed');
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firstRafTime = document.timeline.currentTime;
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});
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});
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requestAnimationFrame(function() {
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t.step(function() {
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assert_equals(document.timeline.currentTime, firstRafTime, 'currentTime should be the same');
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});
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t.done();
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});
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}, 'document.timeline.currentTime time should be the same for all RAF callbacks in a frame');
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</script>
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