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<!DOCTYPE html>
<title>Tests parsing of the anchor-size() function</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#anchor-size">
<link rel="author" href="mailto:xiaochengh@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
<script>
const anchorNames = [
'--foo',
'',
];
const sizeProperties = [
'width',
'min-width',
'max-width',
'height',
'min-height',
'max-height',
'block-size',
'min-block-size',
'max-block-size',
'inline-size',
'min-inline-size',
'max-inline-size',
];
const anchorSizes = [
'width',
'height',
'block',
'inline',
'self-block',
'self-inline',
];
const fallbacks = [
null,
'1px',
'50%',
'calc(50% + 1px)',
'anchor-size(block)',
'anchor-size(--bar block)',
'anchor-size(--bar block, anchor-size(--baz inline))',
];
// Tests basic combinations
for (let name of anchorNames) {
for (let property of sizeProperties) {
for (let size of anchorSizes) {
for (let fallback of fallbacks) {
let value = `anchor-size(${name ? name + ' ' : ''}${size}${fallback ? ', ' + fallback : ''})`;
test_valid_value(property, value);
}
}
}
}
// Tests that anchor-size() can be used in a calc tree
test_valid_value('width', 'calc((anchor-size(--foo width) + anchor-size(--bar height)) / 2)');
test_valid_value('width', 'anchor-size(--foo width, calc(anchor-size(--bar height) * 0.5))');
test_valid_value('width', 'min(100px, 10%, anchor-size(--foo width), anchor-size(--bar height))');
</script>
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