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- This WPT test may be referenced by the following Test IDs:
- /css/css-grid/parsing/grid-shorthand-serialization.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Grid Layout Test: only serialize 'grid' shorthands when the value can roundtrip</title>
<link rel="author" title="Daniel Libby" href="mailto:dlibby@microsoft.com">
<link rel="author" title="Kurt Catti-Schmidt" href="mailto:kschmi@microsoft.com">
<meta name="assert" content="grid shorthand must not serialize when the value cannot roundtrip.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
function test_shorthand_roundtrip(cssText, properties, declarations) {
var div = document.createElement('div');
div.style.cssText = cssText;
for (let property of Object.keys(properties).sort()) {
test(function(){
const readValue = div.style[property];
if (Array.isArray(properties[property])) {
assert_in_array(readValue, properties[property], property + " serialization should be sound");
} else {
assert_equals(readValue, properties[property], property + " serialization should be canonical");
}
if (readValue != "") {
div.style[property] = "";
div.style[property] = readValue;
assert_equals(div.style[property], readValue, "serialization should round-trip");
}
}, "e.style.cssText = " + cssText + " should set " + property);
}
if (declarations) {
let cssTextSerialization = div.style.cssText;
declarations.forEach(decl => {
test(function(){
assert_true(cssTextSerialization.indexOf(decl) !== -1,
`cssText serialization ('${cssTextSerialization}') must contain contain '${decl}'`);
}, `cssText ('${cssText}') must contain '${decl}' in its serialization`);
});
}
}
test_shorthand_roundtrip('grid: auto-flow auto / 100px 100px',
{
'grid': 'none / 100px 100px',
'grid-template-areas': 'none'
});
test_shorthand_roundtrip('grid: auto-flow auto / 100px 100px; grid-template-areas: "one two" "three four"',
{
'grid': '',
'grid-template-areas': '"one two" "three four"',
'grid-auto-flow': 'row',
'grid-auto-rows': 'auto'
});
test_shorthand_roundtrip('grid: 30px 40px / 50px 60px; grid-auto-flow: column',
{
'grid': '',
'grid-template': '30px 40px / 50px 60px',
'grid-auto-flow': 'column',
}, [
'grid-template: 30px 40px / 50px 60px;',
'grid-auto-rows: auto;',
'grid-auto-columns: auto;',
'grid-auto-flow: column;'
]);
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-rows: 20px',
{
'grid': '20px / 10px',
'grid-template': '20px / 10px'
}, [
'grid: 20px / 10px;'
]);
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-rows: repeat(2, 20px)',
{
'grid': 'repeat(2, 20px) / 10px',
'grid-template-rows': 'repeat(2, 20px)'
});
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-rows: repeat(2, 20px) repeat(3, 30px)',
{
'grid': 'repeat(2, 20px) repeat(3, 30px) / 10px',
'grid-template-rows': 'repeat(2, 20px) repeat(3, 30px)'
});
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-rows: repeat(auto-fill, 20px)',
{
'grid': 'repeat(auto-fill, 20px) / 10px',
'grid-template-rows': 'repeat(auto-fill, 20px)'
});
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-rows: repeat(auto-fit, 20px)',
{
'grid': 'repeat(auto-fit, 20px) / 10px',
'grid-template-rows': 'repeat(auto-fit, 20px)'
});
test_shorthand_roundtrip('grid: 10px / auto; grid-template-columns: 20px',
{
'grid': '10px / 20px',
'grid-template': '10px / 20px'
}, [
'grid: 10px / 20px;'
]);
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-columns: repeat(2, 20px)',
{
'grid': 'none / repeat(2, 20px)',
'grid-template-columns': 'repeat(2, 20px)'
});
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-columns: repeat(2, 20px) repeat(3, 30px)',
{
'grid': 'none / repeat(2, 20px) repeat(3, 30px)',
'grid-template-columns': 'repeat(2, 20px) repeat(3, 30px)'
});
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-columns: repeat(auto-fill, 20px)',
{
'grid': 'none / repeat(auto-fill, 20px)',
'grid-template-columns': 'repeat(auto-fill, 20px)'
});
test_shorthand_roundtrip('grid: auto-flow / 10px; grid-template-columns: repeat(auto-fit, 20px)',
{
'grid': 'none / repeat(auto-fit, 20px)',
'grid-template-columns': 'repeat(auto-fit, 20px)'
});
test_shorthand_roundtrip('grid: auto-flow 1px / 2px; grid-auto-flow: inherit', { 'grid': '' });
test_shorthand_roundtrip('grid: 1px / 2px; grid-auto-flow: row', { 'grid': '1px / 2px' });
test_shorthand_roundtrip('grid: none / 2px; grid-auto-flow: row', { 'grid': 'none / 2px' });
test_shorthand_roundtrip('grid: 1px / 2px; grid-auto-columns: auto', { 'grid': '1px / 2px' });
test_shorthand_roundtrip('grid: 1px / 2px; grid-auto-rows: auto', { 'grid': '1px / 2px' });
test_shorthand_roundtrip('grid: 1px / auto-flow 2px; grid-auto-rows: auto', { 'grid': '1px / auto-flow 2px' });
test_shorthand_roundtrip('grid: 1px / auto-flow; grid-auto-columns: auto', { 'grid': '1px / auto-flow' });
test_shorthand_roundtrip('grid: auto-flow 1px / 2px; grid-auto-columns: auto', { 'grid': 'auto-flow 1px / 2px' });
test_shorthand_roundtrip('grid: auto-flow 1px / none; grid-auto-columns: auto', { 'grid': 'auto-flow 1px / none' });
test_shorthand_roundtrip('grid: auto-flow dense / 2px; grid-auto-rows: auto', { 'grid': 'auto-flow dense / 2px' });
test_shorthand_roundtrip('grid: auto-flow 1px / 2px; grid-auto-columns: 3px',
{
'grid': '',
'grid-auto-columns': '3px',
'grid-auto-rows': '1px',
'grid-auto-flow': 'row',
'grid-template-columns': '2px',
'grid-template-rows': 'none'
});
test_shorthand_roundtrip('grid: 1px / auto-flow 2px; grid-auto-rows: 3px',
{
'grid': '',
'grid-auto-columns': '2px',
'grid-auto-rows': '3px',
'grid-auto-flow': 'column',
'grid-template-columns': 'none',
'grid-template-rows': '1px'
});
test_shorthand_roundtrip('grid: none / auto-flow 1px; grid-template-columns: 3px',
{
'grid': '',
'grid-auto-columns': '1px',
'grid-auto-rows': 'auto',
'grid-auto-flow': 'column',
'grid-template-columns': '3px',
'grid-template-rows': 'none'
});
test_shorthand_roundtrip('grid: none / auto-flow 1px; grid-template-columns: repeat(2, 3px)',
{
'grid': '',
'grid-auto-columns': '1px',
'grid-auto-rows': 'auto',
'grid-auto-flow': 'column',
'grid-template-columns': 'repeat(2, 3px)',
'grid-template-rows': 'none'
});
test_shorthand_roundtrip('grid: none / auto-flow 1px; grid-template-columns: repeat(auto-fill, 3px)',
{
'grid': '',
'grid-auto-columns': '1px',
'grid-auto-rows': 'auto',
'grid-auto-flow': 'column',
'grid-template-columns': 'repeat(auto-fill, 3px)',
'grid-template-rows': 'none'
});
test_shorthand_roundtrip('grid: none / auto-flow 1px; grid-template-columns: repeat(auto-fit, 3px)',
{
'grid': '',
'grid-auto-columns': '1px',
'grid-auto-rows': 'auto',
'grid-auto-flow': 'column',
'grid-template-columns': 'repeat(auto-fit, 3px)',
'grid-template-rows': 'none'
});
test_shorthand_roundtrip('grid: auto-flow 1px / none; grid-template-rows: 3px',
{
'grid': '',
'grid-auto-columns': 'auto',
'grid-auto-rows': '1px',
'grid-auto-flow': 'row',
'grid-template-columns': 'none',
'grid-template-rows': '3px'
});
test_shorthand_roundtrip('grid: auto-flow 1px / none; grid-template-rows: repeat(2, 3px)',
{
'grid': '',
'grid-auto-columns': 'auto',
'grid-auto-rows': '1px',
'grid-auto-flow': 'row',
'grid-template-columns': 'none',
'grid-template-rows': 'repeat(2, 3px)'
});
test_shorthand_roundtrip('grid: auto-flow 1px / none; grid-template-rows: repeat(auto-fill, 3px)',
{
'grid': '',
'grid-auto-columns': 'auto',
'grid-auto-rows': '1px',
'grid-auto-flow': 'row',
'grid-template-columns': 'none',
'grid-template-rows': 'repeat(auto-fill, 3px)'
});
test_shorthand_roundtrip('grid: auto-flow 1px / none; grid-template-rows: repeat(auto-fit, 3px)',
{
'grid': '',
'grid-auto-columns': 'auto',
'grid-auto-rows': '1px',
'grid-auto-flow': 'row',
'grid-template-columns': 'none',
'grid-template-rows': 'repeat(auto-fit, 3px)'
});
test_shorthand_roundtrip('grid-template: none;',
{
'grid': '',
'grid-template-areas': 'none',
'grid-template-rows': 'none',
'grid-template-columns': 'none',
'grid-template': 'none'
});
test_shorthand_roundtrip('grid-template: auto / auto;',
{
'grid': '',
'grid-template-areas': 'none',
'grid-template-rows': 'auto',
'grid-template-columns': 'auto',
'grid-template': 'auto / auto'
});
test_shorthand_roundtrip('grid-template: [header-top] "a a a" [header-bottom] [main-top] "b b b" 1fr [main-bottom] / auto 1fr auto',
{
'grid': '',
'grid-template-areas': '"a a a" "b b b"',
'grid-template-rows': '[header-top] auto [header-bottom main-top] 1fr [main-bottom]',
'grid-template-columns': 'auto 1fr auto',
'grid-template': '[header-top] "a a a" [header-bottom main-top] "b b b" 1fr [main-bottom] / auto 1fr auto'
});
test_shorthand_roundtrip('grid-template: [header-top] "a a a" [header-bottom] [main-top] "b b b" 1fr [main-bottom] "c c c" "d d d" / auto',
{
'grid': '',
'grid-template-areas': '"a a a" "b b b" "c c c" "d d d"',
'grid-template-rows': '[header-top] auto [header-bottom main-top] 1fr [main-bottom] auto auto',
'grid-template-columns': 'auto',
'grid-template': '[header-top] "a a a" [header-bottom main-top] "b b b" 1fr [main-bottom] "c c c" "d d d" / auto'
});
test_shorthand_roundtrip('grid-template-rows: auto auto; grid-template-columns: repeat(2, 3px); grid-template-areas: "one two" "three four"',
{
'grid': '',
'grid-template-areas': '"one two" "three four"',
'grid-template-rows': 'auto auto',
'grid-template-columns': 'repeat(2, 3px)'
});
test_shorthand_roundtrip('grid-template-rows: auto auto; grid-template-columns: repeat(2, 1fr); grid-template-areas: "one two" "three four"',
{
'grid': '',
'grid-template-areas': '"one two" "three four"',
'grid-template-rows': 'auto auto',
'grid-template-columns': 'repeat(2, 1fr)'
});
test_shorthand_roundtrip('grid-template-rows: auto auto; grid-template-columns: repeat(auto-fill, 3px); grid-template-areas: "one two" "three four"',
{
'grid': '',
'grid-template-areas': '"one two" "three four"',
'grid-template-rows': 'auto auto',
'grid-template-columns': 'repeat(auto-fill, 3px)'
});
test_shorthand_roundtrip('grid-template-rows: auto auto; grid-template-columns: repeat(auto-fit, 3px); grid-template-areas: "one two" "three four"',
{
'grid': '',
'grid-template-areas': '"one two" "three four"',
'grid-template-rows': 'auto auto',
'grid-template-columns': 'repeat(auto-fit, 3px)'
});
</script>