<!DOCTYPE html>
<meta content="width=100" name="viewport">
<meta name="assert" content="text-size-adjust should affect font-size, even if a narrow viewport is used.">
<link rel="help" href="https://drafts.csswg.org/css-size-adjust/#propdef-text-size-adjust">
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script>
function runTest() {
// This should not be needed but is required to work around a bug in
// Chrome's old autosizer due to computed style being updated during layout.
// TODO(pdr): Remove this when b/340389272 launches.
const forceLayout = document.body.offsetHeight;
test(() => {
const fontSize = getComputedStyle(textSizeAdjust75)['font-size'];
assert_equals(fontSize, '12px');
}, 'Font-size on element with text-size-adjust: 75%');
test(() => {
const fontSize = getComputedStyle(textSizeAdjust100)['font-size'];
assert_equals(fontSize, '16px');
}, 'Font-size on element with text-size-adjust: 100%');
test(() => {
const fontSize = getComputedStyle(textSizeAdjust125)['font-size'];
assert_equals(fontSize, '20px');
}, 'Font-size on element with text-size-adjust: 125%');
}
</script>
<body onload="runTest()">
<div id="textSizeAdjust75" style="text-size-adjust: 75%;">Hello world</div>
<div id="textSizeAdjust100" style="text-size-adjust: 100%;">Hello world</div>
<div id="textSizeAdjust125" style="text-size-adjust: 125%;">Hello world</div>
</body>