select-multiple-options-visual-order.html

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This test has a WPT meta file that expects 5 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-writing-modes/forms/select-multiple-options-visual-order.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta name="timeout" content="long">

<link rel="author" title="Aditya Keerthi" href="https://github.com/pxlcoder">

<link rel="help" href="https://html.spec.whatwg.org/#the-select-element">

<link rel="help" href="https://drafts.csswg.org/css-writing-modes-4/#block-flow">

<title>Test &lt;select&gt; multiple attribute options visual order</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-actions.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<select multiple size="4"></select>

<script>

const select = document.querySelector("select");

for (let i = 0; i < 4; i++) {

    const option = document.createElement("option");

    option.textContent = `Option ${i + 1}`;

    select.appendChild(option);

for (const writingMode of ["horizontal-tb", "vertical-lr", "vertical-rl", "sideways-lr", "sideways-rl"]) {

    if (!CSS.supports(`writing-mode: ${writingMode}`))

        continue;

    const isHorizontal = writingMode === "horizontal-tb";

    const isReversedBlockFlowDirection = writingMode.endsWith("-rl");

    promise_test(async function() {

        select.style.writingMode = writingMode;

        this.add_cleanup(() => {

            select.removeAttribute("style");

            select.value = "";

});

        const elementBox = select.getBoundingClientRect();

        const computedStyle = getComputedStyle(select);

        const borderAndPaddingTop = parseFloat(computedStyle.borderTopWidth) + parseFloat(computedStyle.paddingTop);

        const borderAndPaddingRight = parseFloat(computedStyle.borderRightWidth) + parseFloat(computedStyle.paddingRight);

        const borderAndPaddingBottom = parseFloat(computedStyle.borderBottomWidth) + parseFloat(computedStyle.paddingBottom);

        const borderAndPaddingLeft = parseFloat(computedStyle.borderLeftWidth) + parseFloat(computedStyle.paddingLeft);

        const contentX = elementBox.x + borderAndPaddingLeft;

        const contentY = elementBox.y + borderAndPaddingTop;

        const contentWidth = elementBox.width - borderAndPaddingLeft - borderAndPaddingRight;

        const contentHeight = elementBox.height - borderAndPaddingTop - borderAndPaddingBottom;

        const logicalOptionHeight = (isHorizontal ? contentHeight : contentWidth) / select.size;

        let currentX = contentX + (isHorizontal ? contentWidth : logicalOptionHeight) / 2;

        let currentY = contentY + (isHorizontal ? logicalOptionHeight : contentHeight) / 2;

        for (let i = 0; i < select.size; i++) {

            await new test_driver.Actions()

                .pointerMove(Math.round(currentX), Math.round(currentY))

                .pointerDown()

                .pointerUp()

                .send();

            assert_equals(

                select.value,

                select.options[isReversedBlockFlowDirection ? (select.size - i - 1) : i].value,

                "options are in visually incorrect order"

);

            if (isHorizontal) {

                currentY += logicalOptionHeight;

            } else {

                currentX += logicalOptionHeight;

    }, `select[multiple][style="writing-mode: ${writingMode}"] has visually correct option order`);

};

</script>