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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-inline/baseline-shift/baseline-shift-sub-super.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="stylesheet" href="/fonts/ahem.css">
<meta name="flags" content="ahem" />
<meta charset="utf-8">
</head>
<body>
<span style="font: 20px/1 'Ahem';">
<span id="baseline">X</span>
<span id="sub" style="baseline-shift: sub">X</span>
<span id="super" style="baseline-shift: super">X</span>
</span>
<script>
const $baseline = document.getElementById('baseline');
const $sub = document.getElementById('sub');
const $super = document.getElementById('super');
test(() => {
assert_greater_than(
$sub.getBoundingClientRect().top,
$baseline.getBoundingClientRect().top
);
}, "baseline-shift: sub is below baseline");
test(() => {
assert_less_than(
$super.getBoundingClientRect().top,
$baseline.getBoundingClientRect().top
);
}, "baseline-shift: super is above baseline");
</script>
</body>
</html>