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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/resource-timing/link-sequence-of-events.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/resource-timing/link-sequence-of-events.html')
| -rw-r--r-- | testing/web-platform/tests/resource-timing/link-sequence-of-events.html | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resource-timing/link-sequence-of-events.html b/testing/web-platform/tests/resource-timing/link-sequence-of-events.html new file mode 100644 index 0000000000..be9db32cd9 --- /dev/null +++ b/testing/web-platform/tests/resource-timing/link-sequence-of-events.html @@ -0,0 +1,30 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>Test the sequence of events when reporting link timing.</title> +<meta name="timeout" content="long"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<body> +<script> + promise_test(async t => { + const link = document.createElement('link'); + const delay = 500; + const src = `./resources/import.sub.css?delay=${delay}` + const absoluteURL = new URL(src, location.href).toString(); + new PerformanceObserver(t.step_func(() => { + const allPerformanceEntries = performance.getEntriesByType('resource'); + const linkEntry = allPerformanceEntries.find(e => e.name.includes('import.sub.css')); + const importEntry = allPerformanceEntries.find(e => e.name.includes('delay-css')); + if (!linkEntry || !importEntry) + return; + const linkEndTime = linkEntry.startTime + linkEntry.duration; + const importEndTime = importEntry.startTime + importEntry.duration; + assert_greater_than_equal(importEndTime, linkEndTime + delay, "link load should be done before import load"); + t.done(); + + })).observe({type: 'resource'}); + link.href = src; + link.rel = 'stylesheet'; + document.head.appendChild(link); + }, "test that @imports don't affect link resource timings"); +</script> |