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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-variables/variable-animation-substitute-into-keyframe.html
parentInitial commit. (diff)
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Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<html>
+<head>
+ <title>CSS Variables - Animation - Substitute Into Keyframe</title>
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+
+ <meta rel="author" title="Kevin Babbitt">
+ <meta rel="author" title="Greg Whitworth">
+ <link rel="author" title="Microsoft Corporation" href="http://microsoft.com" />
+ <link rel="help" href="http://www.w3.org/TR/css-variables-1/#syntax">
+
+ <style>
+ @keyframes coloranim
+ {
+ from { color: blue; }
+ to { color: var(--endColor); }
+ }
+
+ /* Start the animation in the paused state and fill at both ends so we can inspect values from both keyframes. */
+ #target
+ {
+ animation-name: coloranim;
+ animation-duration: 1s;
+ animation-play-state: paused;
+ animation-fill-mode: both;
+ }
+ #target
+ {
+ color: red;
+ --endColor: green;
+ }
+ </style>
+</head>
+<body>
+
+ <div id="target">This text should animate from blue to green over a period of 1 second.</div>
+
+<script type="text/javascript">
+ "use strict";
+
+ // Force an initial layout pass
+ document.documentElement.offsetHeight;
+
+ test(function() {
+ // Different browsers generate interpolated colors differently, so check multiple valid forms.
+ assert_in_array(window.getComputedStyle(document.getElementById("target")).getPropertyValue("color").trim(),
+ ["rgb(0, 0, 255)", "rgba(0, 0, 255, 1)"],
+ "color is blue before animation runs");
+ }, "Verify color before animation");
+
+ var animationTest = async_test("Verify color after animation");
+
+ animationTest.step(function() {
+ // Set event handler
+ document.getElementById("target").addEventListener("animationend", animationTest.step_func(function() {
+ assert_in_array(window.getComputedStyle(document.getElementById("target")).getPropertyValue("color").trim(),
+ ["rgb(0, 128, 0)", "rgba(0, 128, 0, 1)"],
+ "color is green after animation runs")
+ animationTest.done();
+ }));
+
+ // Trigger animation
+ document.getElementById("target").style.animationPlayState = "running";
+ });
+</script>
+
+</body>
+</html>