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<!doctype html>
<meta charset="utf-8">
<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
<link rel="help" href="https://drafts.csswg.org/css-writing-modes/#block-flow">
<title>Button appearance native writing mode computed style</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<button id="horizontal-button">あいなき あいなき</button>
<button id="horizontal-button-multiline">あいなき あいなき<br>あいなき</button>
<input type="button" id="horizontal-input" value="あいなき あいなき">
<input type="button" id="horizontal-input-multiline" value="あいなき あいなき あいなき">
<button id="vertical-lr-button" style="writing-mode: vertical-lr">あいなき あいなき</button>
<button id="vertical-rl-button" style="writing-mode: vertical-rl">あいなき あいなき</button>
<button id="vertical-lr-button-multiline" style="writing-mode: vertical-lr">あいなき あいなき<br>あいなき</button>
<button id="vertical-rl-button-multiline" style="writing-mode: vertical-rl">あいなき あいなき<br>あいなき</button>
<input type="button" id="vertical-lr-input" style="writing-mode: vertical-lr" value="あいなき あいなき">
<input type="button" id="vertical-rl-input" style="writing-mode: vertical-rl" value="あいなき あいなき">
<input type="button" id="vertical-lr-input-multiline" style="writing-mode: vertical-lr" value="あいなき あいなき あいなき">
<input type="button" id="vertical-rl-input-multiline" style="writing-mode: vertical-rl" value="あいなき あいなき あいなき">
<script>
for (const element of document.querySelectorAll("[id^='horizontal-']")) {
test(() => {
const style = getComputedStyle(element);
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);
}, `${element.id} block size should match height and inline size should match width`);
if (!element.matches("[id$='-multiline']")) {
test(() => {
const multiline = document.querySelector(`#${element.id}-multiline`);
const style = getComputedStyle(element);
const multilineStyle = getComputedStyle(multiline);
assert_greater_than(parseInt(multilineStyle.height, 10), parseInt(style.height, 10));
assert_equals(multilineStyle.width, style.width);
}, `${element.id}'s height is less than its multi-line counterpart, but width is identical.`);
}
}
for (const element of document.querySelectorAll("[id^='vertical-']")) {
test(() => {
const style = getComputedStyle(element);
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);
}, `${element.id} block size should match width and inline size should match height`);
if (!element.matches("[id$='-multiline']")) {
test(() => {
const multiline = document.querySelector(`#${element.id}-multiline`);
const style = getComputedStyle(element);
const multilineStyle = getComputedStyle(multiline);
assert_greater_than(parseInt(multilineStyle.width, 10), parseInt(style.width, 10));
assert_equals(multilineStyle.height, style.height);
}, `${element.id}'s width is less than its multi-line counterpart, but height is identical.`);
}
}
</script>
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