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<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#layout-invalidation">
<link rel="match" href="style-map-ref.html">
<meta name="assert" content="This test checks that properties are correctly given to the layout function." />
<style>
.test {
background: red;
margin: 10px;
width: 100px;
/* Properties under test. */
--foo: bar;
margin-left: 2px;
}
@supports (display: layout(test)) {
.test {
background: green;
}
.test-0 { display: layout(test-0); }
.test-1 { display: layout(test-1); }
.test-2 { display: layout(test-2); }
.test-3 { display: layout(test-3); }
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="test test-0"></div>
<div class="test test-1"></div>
<div class="test test-2"></div>
<div class="test test-3"></div>
<script>
const tmpl = (test, idx) => {
return `
registerLayout('test-${idx}', class {
static get inputProperties() { return ['${test.property}']; }
async intrinsicSizes() {}
async layout(children, edges, constraints, styleMap) {
const value = styleMap.get('${test.property}');
const result = '[' + value.constructor.name + '=' + value.toString() + ']';
if (result != '${test.expected}')
return {autoBlockSize: 0};
const size = Array.from(styleMap.keys()).length;
if (size != 1)
return {autoBlockSize: 0};
return {autoBlockSize: 100};
}
});
`;
}
const tests = [
{property: '--bar', expected: '[CSSUnparsedValue=]'},
{property: '--foo', expected: '[CSSUnparsedValue= bar]'},
{property: 'empty-cells', expected: '[CSSKeywordValue=show]'},
{property: 'margin-left', expected: '[CSSUnitValue=2px]'},
];
const workletSource = tests.map(tmpl).join('\n');
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, workletSource);
</script>
</html>
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