mirror of
https://github.com/servo/servo.git
synced 2025-06-26 18:14:34 +01:00
60 lines
1.8 KiB
HTML
60 lines
1.8 KiB
HTML
<!DOCTYPE html>
|
|
<title>Viewport units are responsive to writing-mode changes</title>
|
|
<link rel="help" href="https://drafts.csswg.org/css-values-4/#viewport-relative-lengths">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
|
|
<style>
|
|
iframe {
|
|
width: 200px;
|
|
height: 100px;
|
|
}
|
|
</style>
|
|
|
|
<iframe id=iframe></iframe>
|
|
|
|
<script>
|
|
|
|
const doc = iframe.contentDocument;
|
|
const win = iframe.contentWindow;
|
|
|
|
function test_writing_mode(value, expected_pre, expected_post) {
|
|
test((t) => {
|
|
t.add_cleanup(() => { doc.body.innerHTML = ''; });
|
|
doc.body.innerHTML = `
|
|
<style>
|
|
div {
|
|
writing-mode: initial;
|
|
height: ${value};
|
|
}
|
|
.vertical {
|
|
writing-mode: vertical-rl;
|
|
}
|
|
</style>
|
|
<div></div>
|
|
`;
|
|
let div = doc.querySelector('div');
|
|
assert_equals(win.getComputedStyle(div).height, expected_pre);
|
|
|
|
// The writing-mode of the document element does not matter.
|
|
t.add_cleanup(() => { doc.documentElement.classList.remove('vertical'); })
|
|
doc.documentElement.classList.add('vertical');
|
|
assert_equals(win.getComputedStyle(div).height, expected_pre);
|
|
|
|
// The writing-mode of the target element is what matters.
|
|
div.classList.add('vertical');
|
|
assert_equals(win.getComputedStyle(div).height, expected_post);
|
|
}, `${value} computes to ${expected_post} with vertical writing-mode`);
|
|
}
|
|
|
|
test_writing_mode('100vi', '200px', '100px');
|
|
test_writing_mode('100svi', '200px', '100px');
|
|
test_writing_mode('100lvi', '200px', '100px');
|
|
test_writing_mode('100dvi', '200px', '100px');
|
|
|
|
test_writing_mode('100vb', '100px', '200px');
|
|
test_writing_mode('100svb', '100px', '200px');
|
|
test_writing_mode('100lvb', '100px', '200px');
|
|
test_writing_mode('100dvb', '100px', '200px');
|
|
|
|
</script>
|