date-input-block-size.html | Explore in Territory

<!doctype html>
<title>Test block-size of date-based inputs is consistent across writing-modes</title>
<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">
<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>
for (const inputType of ["date", "datetime-local", "month", "time", "week"]) {
    horizontalInput.type = inputType;
    verticalInput.type = inputType;
    for (const writingMode of ["vertical-lr", "vertical-rl"]) {
        test(t => {
            verticalInput.style.writingMode = writingMode;
            t.add_cleanup(() => {
                verticalInput.removeAttribute("style");
            });

            const verticalRect = verticalInput.getBoundingClientRect();
            const horizontalRect = horizontalInput.getBoundingClientRect();
            assert_approx_equals(
                verticalRect.width,
                horizontalRect.height,
                1,
                "width of vertical input matches height of horizontal input",
            );
        }, `Test input[type=${inputType}] block-size in writing-mode: ${writingMode}`);
    }
}
</script>
chromium/third_party/blink/web_tests/fast/forms/date/date-input-block-size.html
