tests/wpt/css-tests/css-flexbox-1_dev/html/flexbox_computedstyle_flex-basis-percent.htm

<!DOCTYPE html>
<html><head><title>flexbox | computed style | flex-basis: percent</title>
<link href="http://opera.com" rel="author" title="Opera Software">
<link href="http://www.w3.org/TR/css-flexbox-1/#flex-basis-property" rel="help">
<link href="reference/ref-pass-body.htm" rel="match">
<meta content="dom" name="flags">
<style>
body {
	display: flex;
	width: 100px;
}
div {
	color: red;
	flex-basis: 100%;
}
.PASS {color: black;}
</style>
</head><body><div id="test"><h1>FAIL, enable javascript</h1>
<script>
    var test = document.getElementById("test");

    var passed =
	    getComputedStyle(test).getPropertyValue("flex-basis") ==
	    "100%";
    test.textContent = test.className = passed ? "PASS" : "FAIL";
</script>
</body></html>