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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/css/css-flexbox/canvas-dynamic-change-001.html
parentInitial commit. (diff)
downloadthunderbird-upstream.tar.xz
thunderbird-upstream.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/testing/web-platform/tests/css/css-flexbox/canvas-dynamic-change-001.html b/testing/web-platform/tests/css/css-flexbox/canvas-dynamic-change-001.html
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+++ b/testing/web-platform/tests/css/css-flexbox/canvas-dynamic-change-001.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<meta charset="UTF-8">
+<title>Canvas size dynamic change in flexbox layout</title>
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-items">
+<meta name="assert" content="This test ensures proper layouting of canvas element as flex-items"/>
+<link href="support/flexbox.css" rel="stylesheet">
+<style>
+.red {
+ width: 600px;
+ height: 400px;
+ background: red;
+}
+canvas {
+ background: green;
+}
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/check-layout-th.js"></script>
+<div id=log></div>
+
+<div class="red">
+ <div class="flexbox column">
+ <!-- The height=400 attribute makes the aspect ratio be 300x400. 300 from
+ the fallback width of replaced elements. 400 from the attribute.
+ After stretching to 600px wide, the height should be 800px. -->
+ <canvas id="canvas" data-expected-height="800"></canvas>
+ </div>
+</div>
+
+<script>
+var canvas = document.getElementById('canvas');
+
+requestAnimationFrame(function() {
+ canvas.height = 400;
+ checkLayout('.flexbox');
+});
+
+</script>