зеркало из https://github.com/mozilla/gecko-dev.git
36 строки
950 B
HTML
36 строки
950 B
HTML
<!doctype html>
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<meta charset=utf-8>
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<script src="../testcommon.js"></script>
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<style>
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@keyframes abc {
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to { transform: translate(10px) }
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}
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</style>
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<body>
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<script>
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'use strict';
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async_test(function(t) {
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var div = addDiv(t, { style: 'animation: abc 100s infinite' });
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var animation = div.getAnimations()[0];
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animation.ready.then(t.step_func(function() {
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// Seek to a time outside the active range so that play() will have to
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// snap back to the start
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animation.currentTime = -5000;
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animation.playbackRate = -1;
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assert_throws('InvalidStateError',
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function () { animation.play(); },
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'Expect InvalidStateError exception on calling play() ' +
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'with a negative playbackRate and infinite-duration ' +
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'animation');
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t.done();
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}));
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}, 'play() throws when seeking an infinite-duration animation played in ' +
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'reverse');
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done();
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</script>
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</body>
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