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69 lines
1.9 KiB
HTML
69 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<html class=reftest-wait>
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<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutfragment-data">
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<link rel="match" href="green-square-ref.html">
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<meta name="assert" content="This test checks that LayoutFragment#data is immutable between child layout passes." />
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<style>
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.test {
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background: red;
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width: 100px;
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}
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@supports (display: layout(parent)) {
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.test {
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display: layout(parent);
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background: green;
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}
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.child {
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display: layout(child);
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}
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}
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</style>
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<script src="/common/reftest-wait.js"></script>
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<script src="/common/worklet-reftest.js"></script>
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<div class="test">
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<div class="child"></div>
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</div>
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<script id="code" type="text/worklet">
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registerLayout('parent', class {
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async intrinsicSizes() {}
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async layout([child], edges, constraints, styleMap) {
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const childFragment10 = await child.layoutNextFragment({fixedInlineSize: 10});
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// First layout data should be "10".
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if (childFragment10.data.size !== 10) {
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return {autoBlockSize: 0, childFragments: [childFragment10]};
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}
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const childFragment20 = await child.layoutNextFragment({fixedInlineSize: 20});
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// Second layout data should be "20".
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if (childFragment20.data.size !== 20) {
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return {autoBlockSize: 0, childFragments: [childFragment10]};
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}
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// First layout data should still be "10".
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if (childFragment10.data.size !== 10) {
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return {autoBlockSize: 0, childFragments: [childFragment10]};
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}
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return {autoBlockSize: 100, childFragments: [childFragment20]};
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}
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});
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registerLayout('child', class {
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async intrinsicSizes() {}
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async layout(children, edges, constraints, styleMap) {
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return {autoBlockSize: 10, data: {size: constraints.fixedInlineSize}};
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}
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});
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</script>
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<script>
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importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent);
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</script>
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</html>
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