chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/intrinsic-width-orthogonal-writing-mode.html

<!DOCTYPE html>
<html>
<title>CSS Flexbox: container widths & ortho items</title>
<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#flex-containers">
<link rel="help" href="https://www.w3.org/TR/css-writing-modes-4/#block-flow">
<link href="support/flexbox.css" rel="stylesheet">
<meta name="assert" content="the correct width/height of ortho children is used to size flex containers">
<style>
.vertical {
    writing-mode: vertical-lr;
}
</style>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.inline-flexbox')">
<div id=log></div>

<div class="inline-flexbox" data-expected-width="20">
    <div class="vertical" style="width: 20px; height: 50px;"></div>
</div>

<div class="inline-flexbox" data-expected-width="20">
    <div class="vertical" style="line-height: 20px;">Some text</div>
</div>

<div class="inline-flexbox" data-expected-width="20">
    <span class="vertical" data-expected-width="20" style="line-height: 20px;">Some text</span>
</div>
</body>