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76 lines
2.8 KiB
HTML
76 lines
2.8 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>iterationStart tests</title>
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<link rel="help" href="https://w3c.github.io/web-animations/#dom-animationeffecttiming-iterationstart">
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<link rel="author" title="Daisuke Akatsuka" href="mailto:daisuke@mozilla-japan.org">
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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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<body>
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<div id="log"></div>
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<script>
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'use strict';
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test(function(t) {
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var anim = createDiv(t).animate(null);
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assert_equals(anim.effect.timing.iterationStart, 0);
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}, 'Test default value');
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test(function(t) {
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var div = createDiv(t);
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var anim = div.animate({ opacity: [ 0, 1 ] },
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{ iterationStart: 0.2,
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iterations: 1,
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fill: 'both',
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duration: 100,
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delay: 1 });
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anim.effect.timing.iterationStart = 2.5;
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assert_equals(anim.effect.getComputedTiming().progress, 0.5);
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assert_equals(anim.effect.getComputedTiming().currentIteration, 2);
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}, 'Test that changing the iterationStart affects computed timing ' +
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'when backwards-filling');
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test(function(t) {
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var div = createDiv(t);
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var anim = div.animate({ opacity: [ 0, 1 ] },
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{ iterationStart: 0.2,
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iterations: 1,
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fill: 'both',
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duration: 100,
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delay: 0 });
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anim.effect.timing.iterationStart = 2.5;
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assert_equals(anim.effect.getComputedTiming().progress, 0.5);
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assert_equals(anim.effect.getComputedTiming().currentIteration, 2);
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}, 'Test that changing the iterationStart affects computed timing ' +
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'during the active phase');
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test(function(t) {
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var div = createDiv(t);
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var anim = div.animate({ opacity: [ 0, 1 ] },
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{ iterationStart: 0.2,
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iterations: 1,
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fill: 'both',
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duration: 100,
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delay: 0 });
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anim.finish();
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anim.effect.timing.iterationStart = 2.5;
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assert_equals(anim.effect.getComputedTiming().progress, 0.5);
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assert_equals(anim.effect.getComputedTiming().currentIteration, 3);
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}, 'Test that changing the iterationStart affects computed timing ' +
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'when forwards-filling');
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test(function(t) {
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var div = createDiv(t);
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var anim = div.animate(null);
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for (let invalid of [-1, NaN, Infinity]) {
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assert_throws({ name: 'TypeError' }, function() {
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anim.effect.timing.iterationStart = invalid;
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}, 'setting ' + invalid);
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assert_throws({ name: 'TypeError' }, function() {
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div.animate({}, { iterationStart: invalid });
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}, 'animate() with ' + invalid);
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}
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}, 'Using invalid values should throw TypeError');
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</script>
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</body>
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