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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/timers.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/timers.html')
| -rw-r--r-- | testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/timers.html | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/timers.html b/testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/timers.html new file mode 100644 index 0000000000..aab650f36e --- /dev/null +++ b/testing/web-platform/tests/html/browsers/browsing-the-web/back-forward-cache/timers.html @@ -0,0 +1,68 @@ +<!doctype html> +<meta name="timeout" content="long"> +<link rel="help" href="https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers:fully-active"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/common/utils.js"></script> +<script src="/common/dispatcher/dispatcher.js"></script> +<script src="resources/helper.sub.js"></script> +<script> +// Timers should be paused when the Document is not fully active. +// This test is checking this by measuring the actual elapsed time for a timer +// started before a page is stored into BFCache, staying for a while in BFCache, +// and fired after the page is restored from BFCache. + +const delayMain = 18000; +const delayBeforeForwardNavigation = 6000; +const delayBeforeBackNavigation = 5000; +// `delayBeforeForwardNavigation` and `delayBeforeBackNavigation` are set +// sufficiently large in order to distinguish the expected case from other +// scenarios listed in `funcAfterAssertion()`, and to allow some delays outside +// timers (e.g. due to communication between Windows). The additional delays +// can be large (e.g. ~4 seconds), so the delays above should be sufficiently +// large. + +const startTime = performance.now(); + +runBfcacheTest({ + funcBeforeNavigation: async (delayMain, delayBeforeForwardNavigation) => { + // Set `promiseMainTimer` that is resolved after a timeout of `delayMain` + // ms. + window.promiseMainTimer = new Promise(resolve => { + setTimeout(resolve, delayMain); + }); + // Then navigate to another page after `delayBeforeForwardNavigation` ms. + await new Promise(resolve => + setTimeout(resolve, delayBeforeForwardNavigation)); + }, + argsBeforeNavigation: [delayMain, delayBeforeForwardNavigation], + funcBeforeBackNavigation: async (delayBeforeBackNavigation) => { + // Back navigate after `delayBeforeBackNavigation` ms. + await new Promise(resolve => + setTimeout(resolve, delayBeforeBackNavigation)); + }, + argsBeforeBackNavigation: [delayBeforeBackNavigation], + funcAfterAssertion: async (pageA) => { + // Wait for `promiseMainTimer` resolution and check its timing. + await pageA.execute_script(() => window.promiseMainTimer); + const actualDelay = performance.now() - startTime; + + if (actualDelay >= delayMain + delayBeforeBackNavigation + + delayBeforeForwardNavigation) { + assert_unreached( + "The timer is fired too late. " + + "Maybe the timer is reset when restored from BFCache and " + + "waits from the beginning again"); + } else if (actualDelay >= delayMain + delayBeforeBackNavigation) { + // Expected: The timer is paused when the page is in BFCache. + } else if (actualDelay >= delayMain) { + assert_unreached( + "The timer is fired too early. " + + "Maybe the time isn't paused when the page is in BFCache"); + } else { + assert_unreached( + "The timer is fired too early, even earlier than delayMain."); + } + } +}, 'Timers should be paused when the page is in BFCache'); +</script> |