style-sharing-inline-stylesheet.html

<html lang=en>
<head>
<script src="../../resources/js-test.js"></script>
<style>
.testclass { background-color: red; }
</style>
</head>
<body>
<div class=testclass>first div</div>
<style>
.testclass { background-color: green; }
</style>
<div class=testclass>second div</div>

<script>
description("Test that inline stylesheet does not confuse style sharing.");
shouldBe('window.getComputedStyle(document.getElementsByClassName("testclass")[1]).backgroundColor','"rgb(0, 128, 0)"');
</script>
</body>

chromium/third_party/blink/web_tests/fast/css/style-sharing-inline-stylesheet.html