meter-appearance-native-computed-style.optional.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-writing-modes/forms/meter-appearance-native-computed-style.optional.html - WPT Dashboard Interop Dashboard

<!doctype html>

<link rel="author" title="Di Zhang" href="mailto:dizhangg@chromium.org">

<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-meter-element-2">

<title>Meter appearance native writing mode computed style</title>

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

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

<meter value="40" min="0" max="100" style="writing-mode: horizontal-tb"></meter>

<meter value="40" min="0" max="100" style="writing-mode: vertical-lr"></meter>

<meter value="40" min="0" max="100" style="writing-mode: vertical-rl"></meter>

<script>

test(() => {

  const meter = document.querySelector(`meter[style="writing-mode: horizontal-tb"]`);

  const style = getComputedStyle(meter);

  const blockSize = parseInt(style.blockSize, 10);

  const inlineSize = parseInt(style.inlineSize, 10);

  assert_not_equals(blockSize, 0);

  assert_not_equals(inlineSize, 0);

  assert_greater_than(inlineSize, blockSize);

  assert_equals(style.blockSize, style.height);

  assert_equals(style.inlineSize, style.width);

}, `meter[style="writing-mode: horizontal-tb"] block size should match height and inline size should match width`);

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

  test(() => {

    const meter = document.querySelector(`meter[style="writing-mode: ${writingMode}"]`);

    const style = getComputedStyle(meter);

    const blockSize = parseInt(style.blockSize, 10);

    const inlineSize = parseInt(style.inlineSize, 10);

    assert_not_equals(blockSize, 0);

    assert_not_equals(inlineSize, 0);

    assert_greater_than(inlineSize, blockSize);

    assert_equals(style.blockSize, style.width);

    assert_equals(style.inlineSize, style.height);

  }, `meter[style="writing-mode: ${writingMode}"] block size should match width and inline size should match height`);

};

</script>