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Move overflow recalc regression test to WPT

In r729750 we added a regression test as an internal test
but it's better to move the test into WPT.

BUG=1036644

Change-Id: I16bcfc99ef2faff90bd03020a8cc4809689d2d5c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1994299
Reviewed-by: Philip Rogers <pdr@chromium.org>
Commit-Queue: Manuel Rego <rego@igalia.com>
Cr-Commit-Position: refs/heads/master@{#730180}
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mrego authored and chromium-wpt-export-bot committed Jan 10, 2020
1 parent 04d69ee commit 49f7773d68e56ce5f26263f556f6d5411913bafa
Showing with 72 additions and 0 deletions.
  1. +52 −0 css/css-overflow/overflow-recalc-001.html
  2. +20 −0 css/css-overflow/reference/overflow-recalc-001-ref.html
@@ -0,0 +1,52 @@
<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Overflow: Overflow recalc after font-size change</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-overflow/">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1036644">
<link rel="match" href="reference/overflow-recalc-001-ref.html">
<meta name="assert" content="Checks that overflow of an inline element is properly recomputed after changes on the descendants.">
<script src="/common/reftest-wait.js"></script>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
#scroller {
height: 200px;
overflow: scroll;
position: relative;
}
#wrapper {
margin-top: 100px;
width: 200px;
height: 200px;
overflow: hidden;
font-family: Ahem;
line-height: 1;
color: green;
}
#red {
background: red;
width: 200px;
height: 200px;
position: absolute;
top: 100px;
z-index: -1;
}
</style>
<p>Test passes if there is <strong>no red</strong>.</p>
<div id="scroller">
<div id="wrapper">
<span id="inlineouter">
<span id="inlineinner">X</span>
</span>
</div>
<div id="red"></div>
</div>

<script>
requestAnimationFrame(() => requestAnimationFrame(() => {
inlineinner.style.fontSize = "200px";
takeScreenshot();
}));
</script>
</html>
@@ -0,0 +1,20 @@
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow: Reference Overflow recalc after font-size change</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<style>
#scroller {
height: 200px;
overflow: scroll;
}
#wrapper {
margin-top: 100px;
width: 200px;
height: 200px;
background: green;
}
</style>
<p>Test passes if there is <strong>no red</strong>.</p>
<div id="scroller">
<div id="wrapper"></div>
</div>

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