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<!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-progress-element-2">
<title>Progress appearance native writing mode computed style</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<progress value="30" min="0" max="100" style="writing-mode: horizontal-tb"></progress>
<progress value="30" min="0" max="100" style="writing-mode: vertical-lr"></progress>
<progress value="30" min="0" max="100" style="writing-mode: vertical-rl"></progress>
<script>
test(() => {
const progress = document.querySelector(`progress[style="writing-mode: horizontal-tb"]`);
const style = getComputedStyle(progress);
assert_equals(style.blockSize, "16px");
assert_equals(style.inlineSize, "160px");
assert_equals(style.blockSize, style.height);
assert_equals(style.inlineSize, style.width);
}, `progress[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 progress = document.querySelector(`progress[style="writing-mode: ${writingMode}"]`);
const style = getComputedStyle(progress);
assert_equals(style.blockSize, "16px");
assert_equals(style.inlineSize, "160px");
assert_equals(style.blockSize, style.width);
assert_equals(style.inlineSize, style.height);
}, `progress[style="writing-mode: ${writingMode}"] block size should match width and inline size should match height`);
};
</script>
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