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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/css/css-layout-api/sync-layout-microtasks.https.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-layout-api/sync-layout-microtasks.https.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-layout-api/sync-layout-microtasks.https.html | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-layout-api/sync-layout-microtasks.https.html b/testing/web-platform/tests/css/css-layout-api/sync-layout-microtasks.https.html new file mode 100644 index 0000000000..84457c0c9d --- /dev/null +++ b/testing/web-platform/tests/css/css-layout-api/sync-layout-microtasks.https.html @@ -0,0 +1,56 @@ +<!DOCTYPE html> +<html> +<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#invoke-a-layout-callback"> +<meta name="assert" content="This test checks running the microtask queue for a layout() class won't run the main world's microtask queue." /> +<style> +#test { + display: layout(child-layout); + width: 100px; +} + +#test > div { + height: 100px; +} +</style> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/common/worklet-reftest.js"></script> + +<div id="test"> + <div></div> +</div> + +<script id="code" type="text/worklet"> +registerLayout('child-layout', class { + async intrinsicSizes() {} + async layout([child]) { + const fragment = await child.layoutNextFragment(); + return {autoBlockSize: 50, childFragments: [fragment]}; + } +}); +</script> + +<script> +promise_test(async t => { + if (typeof CSS.layoutWorklet === 'undefined') { + throw Error('CSS Layout API not supported.'); + } + + await importWorklet(CSS.layoutWorklet, document.getElementById('code').textContent); + + let resolved = false; + let p = Promise.resolve().then(() => { + resolved = true; + }); + assert_false(resolved); + + // Running the layout-worklet's microtask queue shouldn't trigger the main + // world's microtask queue. + assert_equals(document.getElementById('test').clientHeight, 50); + assert_false(resolved); + + await p; + assert_true(resolved); +}); +</script> +</html> |