gecko-dev/testing/web-platform/tests/css/css-writing-modes/text-orientation-script-001o.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Writing Modes Test: Test orientation of characters where vo=U (#6/6, 51 code points in U+2F9EB-2FA1D).</title>
<link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#text-orientation">
<meta name="assert" content="Test orientation of characters where vo=U (#6/6, 51 code points in U+2F9EB-2FA1D)">
<meta name="flags" content="dom">
<link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
@font-face {
    font-family: "orientation";
    src: url("/fonts/adobe-fonts/CSSHWOrientationTest.otf");
}
.test {
    font: 16px/1 "orientation";
    height: 17em;
    writing-mode: vertical-rl;
}
.line {
    white-space: pre;
}
.U {
    text-orientation: upright;
}
.R {
    text-orientation: sideways;
}
#details {
    margin: 1em .5em;
}
summary {
    font-size: 1.2em;
    font-weight: bold;
    margin-top: .5em;
}
</style>
<div id="log"></div>
<div id="details"></div>
<div id="container">
<div data-vo="U" class="test">
<div data-block="CJK">
<div class="line">鏹鐕𨯺開䦕閷𨵷䧦雃嶲霣𩅅𩈚䩮䩶韠𩐊䪲𩒖頋頋頩𩖶飢䬳餩馧駂駾䯎𩬰鬒</div>
<div class="line">鱀鳽䳎䳭鵧𪃎䳸𪄅𪈎𪊑麻䵖黹黾鼅鼏鼖鼻𪘀</div>
</div>
</div>
</div>
<script src="support/text-orientation.js"></script>