<!DOCTYPE html>
<html>
<style>
#testcase > div {
    height: 50px;
    width: 50px;
    background-color: green;
    outline: 2px solid darkgreen;
}
#testcase > div > div {
    -webkit-flex: 1;
}
</style>
<script src="../../resources/check-layout.js"></script>
<body onload="checkLayout('#testcase')">
<p>This test passes if the three green boxes are on the same horizontal line.</p>

<div id="testcase" style="position: relative">
<div data-offset-y="0" data-offset-x="0" data-expected-width="50" data-expected-height="50" style="display: inline-block">
</div><div data-offset-y="0" data-offset-x="50" data-expected-width="50" data-expected-height="50" style="display: -webkit-inline-flex;">
    <div data-expected-width="25"></div>
    <div data-expected-width="25"></div>
</div><div data-offset-y="0" data-offset-x="100" data-expected-width="50" data-expected-height="50" style="display: inline-block"></div>
</div>
</body>
</html>