chromium/third_party/blink/web_tests/css3/flexbox/floated-flexbox.html

<!DOCTYPE html>
<html>
<style>
.flexbox {
    display: flex;
    background-color: #aaa;
    border: 5px solid blue;
    float:left;
}
.flexbox :nth-child(1) {
    background-color: salmon;
}
.flexbox :nth-child(2) {
    background-color: lime;
}
</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 data-expected-width=130 data-expected-height=30 class=flexbox>
    <div style="background-color:pink; width: 20px; height: 20px;"></div>
    <div style="background-color:red; width: 100px; height: 20px;"></div>
</div>

<div style="clear: left; position: relative">
    <div style="width: 100px; height: 100px; background-color: green; float: left"></div>
    <div data-expected-height=30 data-offset-x=100 data-offset-y=0 class="flexbox" style="float: none">
        <div data-expected-height=20 data style="height: 20px; flex: 1"></div>
        <div data-expected-height=20 style="height: 20px; flex: 1"></div>
    </div>
</div>

</body>
</html>