forked from mirrors/gecko-dev
89254b8078
Automatic update from web-platform-tests XHR/CSS/Compression: use Wasm to get at a SharedArrayBuffer instance For https://github.com/web-platform-tests/wpt/issues/22358. -- wpt-commits: c8d8f8e2d426e71c11f86512fadd5d8744413c13 wpt-pr: 22359
45 lines
1.3 KiB
HTML
45 lines
1.3 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 a SharedArrayBuffer can't be passed to the parent layout." />
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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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.child {
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height: 100px;
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}
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@supports (display: layout(fallback-sab)) {
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.test {
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display: layout(fallback-sab);
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background: green;
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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('fallback-sab', class {
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async intrinsicSizes() {}
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async layout(children, edges, constraints, styleMap) {
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const childFragments = await Promise.all(children.map(child => child.layoutNextFragment()));
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// See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
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return {autoBlockSize: 0, childFragments, data: {sab: new WebAssembly.Memory({ shared:true, initial:1, maximum:1 }).buffer }};
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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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