gecko-dev/layout/reftests/flexbox/flexbox-whitespace-handling...

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<?xml version="1.0" encoding="UTF-8"?>
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!--
This test verifies that we don't create anonymous flex items around
runs of inline content that are _purely_ whitespace.
The test uses "white-space: pre", to try to tempt us into honoring
that whitespace. (but we should resist that temptation).
The test also uses 'justify-content: space-around' to be sure we can
tell whether anonymous flex items are being created around the whitespace
(since they'd claim a share of the packing space if they were there).
-->
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style>
div { height: 100px; }
div.flexbox {
white-space: pre;
border: 1px dashed blue;
width: 200px;
display: flex;
justify-content: space-around;
}
div.a {
flex: none;
width: 30px;
background: lightgreen;
}
div.b {
flex: none;
width: 20px;
background: lightblue;
}
img { width: 40px; }
</style>
</head>
<body>
<!-- whitespace & tab after flex item -->
<div class="flexbox"><div class="a"/> </div>
<!-- 2 spaces before flex item -->
<div class="flexbox"> <div class="a"/><div class="b"/></div>
<!-- newline & whitespace between flex items -->
<div class="flexbox"><img src="solidblue.png"/>
<img src="solidblue.png"/></div>
</body>
</html>