зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1380133 - Part 9: Automated test for inheriting the start value of a transition. r=heycam
MozReview-Commit-ID: 6uue8qUePUh --HG-- extra : rebase_source : 3b1338356c2f6f21e497a588939c34ba0edb93ef
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@ -288,6 +288,7 @@ skip-if = !stylo
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[test_transitions_and_reframes.html]
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[test_transitions_and_restyles.html]
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[test_transitions_and_zoom.html]
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[test_transitions_at_start.html]
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[test_transitions_cancel_near_end.html]
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[test_transitions_computed_values.html]
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[test_transitions_computed_value_combinations.html]
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@ -0,0 +1,38 @@
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<!doctype html>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1380133
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-->
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<head>
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<meta charset=utf-8>
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<title>Test for transition value at start (Bug 1380133)</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<link rel="stylesheet" href="/resources/testharness.css">
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<style>
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a {
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color: red;
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transition: 100s color;
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}
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a.active {
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color: blue;
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}
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</style>
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</head>
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<body>
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<a id=anchor><span id=span>Test</span></a>
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</body>
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<script>
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'use strict';
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const anchor = document.getElementById('anchor');
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const span = document.getElementById('span');
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test(() => {
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anchor.classList.add('active');
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assert_equals(getComputedStyle(span).color, 'rgb(255, 0, 0)',
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'The child of a transitioning element should inherit its'
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+ ' parent\'s transition start value');
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}, 'Transition start value should be inherited');
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</script>
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</html>
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