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<!doctype html>
<meta charset="utf-8">
<meta name="flags" content="ahem">
<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
<link rel="help" href="https://html.spec.whatwg.org/#the-input-element">
<link rel="help" href="https://drafts.csswg.org/css-writing-modes-4/#block-flow">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<title>Test block-size of text-based inputs is consistent across writing-modes</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
input {
appearance: none;
font: 30px/1 Ahem;
}
</style>
<input id="horizontalInput">
<input id="verticalInput">
<script>
setup({ explicit_done: true });
document.fonts.ready.then(() => {
for (const inputType of ["text", "email", "password", "search", "tel", "url", "number"]) {
horizontalInput.type = inputType;
verticalInput.type = inputType;
for (const writingMode of ["vertical-lr", "vertical-rl", "sideways-lr", "sideways-rl"]) {
if (!CSS.supports(`writing-mode: ${writingMode}`))
continue;
test(t => {
verticalInput.style.writingMode = writingMode;
t.add_cleanup(() => {
verticalInput.removeAttribute("style");
});
const verticalRect = verticalInput.getBoundingClientRect();
assert_true(
verticalRect.width < verticalRect.height,
"input has correct aspect ratio for default input size"
);
const horizontalRect = horizontalInput.getBoundingClientRect();
assert_equals(
Math.round(verticalRect.width),
Math.round(horizontalRect.height),
"width of vertical input matches height of horizontal input"
);
}, `Test input[type=${inputType}] block-size in writing-mode: ${writingMode}`);
}
}
done();
});
</script>
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