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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/preload/preconnect.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/preload/preconnect.html')
| -rw-r--r-- | testing/web-platform/tests/preload/preconnect.html | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/preload/preconnect.html b/testing/web-platform/tests/preload/preconnect.html new file mode 100644 index 0000000000..f95a5c0ba0 --- /dev/null +++ b/testing/web-platform/tests/preload/preconnect.html @@ -0,0 +1,39 @@ +<!DOCTYPE html> +<html> +<title>Makes sure that preloaded resources reduce connection time to zero</title> +<meta name="timeout" content="long"> +<meta name="pac" content="/common/proxy-all.sub.pac"> +<script src="/common/utils.js"></script> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<body> +<script> + const FAKE_PORT = 30303; + promise_test(async t => { + const fake_remote_origin = `http://${token()}.wpt:${FAKE_PORT}`; + const link = document.createElement('link'); + link.rel = "preconnect"; + link.href = fake_remote_origin; + document.head.appendChild(link); + await new Promise(r => t.step_timeout(r, 1000)); + const url = `${fake_remote_origin}/images/smiley.png`; + const entryPromise = new Promise(resolve => { + new PerformanceObserver(list => { + const entries = list.getEntriesByName(url); + if (entries.length) + resolve(entries[0]); + }).observe({type: "resource"}); + }); + + const img = document.createElement('img'); + img.src = url; + document.body.appendChild(img); + const entry = await entryPromise; + assert_equals(entry.domainLookupStart, entry.domainLookupEnd); + assert_equals(entry.domainLookupStart, entry.connectStart); + assert_equals(entry.domainLookupStart, entry.connectEnd); + }, "Test that preconnect reduces connection time to zero"); +</script> +</body> +</html> |