chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/flex-shorthand-flex-basis-middle.html

<!DOCTYPE html>
<html>
<title>CSS Flexbox: flex shorthand with 'auto' or 'zero' percentage value</title>
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-property">
<link href="support/flexbox.css" rel="stylesheet">
<meta name="assert" content="This test ensures that setting '%0' or 'auto' to the flex-basis
in the middle of between 'flex-grow' and 'flex-shrink' properties whose value is '1' works properly.">
<style>
.flexbox {
    width: 500px;
    height: 100px;
    background: green;
}

.flexbox > div {
    width: 50px;
    background: yellow;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.flexbox')">
<div id=log></div>
<div class="flexbox">
    <div data-expected-width="50" style="flex: 1 0% 1"></div>
    <div data-expected-width="50" style="flex: 1 0% 1"></div>
    <div data-expected-width="50" style="flex: 1 0% 1"></div>
</div>

<div class="flexbox">
    <div data-expected-width="50" style="flex: 1 auto 1"></div>
    <div data-expected-width="50" style="flex: 1 auto 1"></div>
    <div data-expected-width="50" style="flex: 1 auto 1"></div>
</div>
</body>
</html>