chromium/third_party/blink/web_tests/fast/css3-text/css3-text-decoration/stable/getComputedStyle-text-decoration.html

<!DOCTYPE html>
<script src="../../../../resources/js-test.js"></script>
<div id="target" style="text-decoration: underline;">This text should be underlined</div>
<script>
description("Test that computed style for text-decoration is correctly represented.");

var decoration = getComputedStyle(target).textDecoration;
shouldBe("decoration", "'underline solid rgb(0, 0, 0)'");
</script>