forked from mirrors/gecko-dev
3184f30162
MozReview-Commit-ID: FvTMGjxfRXk --HG-- extra : rebase_source : 8f7fd0903c9ca2f545dce2633eb797345a7517f8
103 lines
2.8 KiB
HTML
103 lines
2.8 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../testcommon.js"></script>
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<style>
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:root {
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--var-100px: 100px;
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}
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</style>
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<body>
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<div id="log"></div>
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<script>
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'use strict';
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function getKeyframes(e) {
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return e.getAnimations()[0].effect.getKeyframes();
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}
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function assert_frames_equal(a, b, name) {
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assert_equals(Object.keys(a).sort().toString(),
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Object.keys(b).sort().toString(),
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"properties on " + name);
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for (var p in a) {
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assert_equals(a[p], b[p], "value for '" + p + "' on " + name);
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}
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}
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test(function(t) {
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var div = addDiv(t);
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div.style.left = '0px';
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getComputedStyle(div).transitionProperty;
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div.style.transition = 'left 100s';
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div.style.left = '100px';
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var frames = getKeyframes(div);
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assert_equals(frames.length, 2, "number of frames");
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var expected = [
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{ offset: 0, computedOffset: 0, easing: "ease", composite: null,
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left: "0px" },
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{ offset: 1, computedOffset: 1, easing: "linear", composite: null,
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left: "100px" },
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];
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for (var i = 0; i < frames.length; i++) {
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assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
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}
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}, 'KeyframeEffect.getKeyframes() returns expected frames for a simple'
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+ ' transition');
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test(function(t) {
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var div = addDiv(t);
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div.style.left = '0px';
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getComputedStyle(div).transitionProperty;
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div.style.transition = 'left 100s steps(2,end)';
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div.style.left = '100px';
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var frames = getKeyframes(div);
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assert_equals(frames.length, 2, "number of frames");
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var expected = [
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{ offset: 0, computedOffset: 0, easing: "steps(2)", composite: null,
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left: "0px" },
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{ offset: 1, computedOffset: 1, easing: "linear", composite: null,
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left: "100px" },
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];
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for (var i = 0; i < frames.length; i++) {
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assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
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}
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}, 'KeyframeEffect.getKeyframes() returns expected frames for a simple'
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+ ' transition with a non-default easing function');
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test(function(t) {
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var div = addDiv(t);
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div.style.left = '0px';
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getComputedStyle(div).transitionProperty;
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div.style.transition = 'left 100s';
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div.style.left = 'var(--var-100px)';
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var frames = getKeyframes(div);
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// CSS transition endpoints are based on the computed value so we
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// shouldn't see the variable reference
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var expected = [
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{ offset: 0, computedOffset: 0, easing: 'ease', composite: null,
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left: '0px' },
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{ offset: 1, computedOffset: 1, easing: 'linear', composite: null,
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left: '100px' },
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];
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for (var i = 0; i < frames.length; i++) {
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assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
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}
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}, 'KeyframeEffect.getKeyframes() returns expected frames for a'
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+ ' transition with a CSS variable endpoint');
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</script>
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</body>
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