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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/mediacapture-streams/enumerateDevices-with-navigation.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/mediacapture-streams/enumerateDevices-with-navigation.https.html')
| -rw-r--r-- | testing/web-platform/tests/mediacapture-streams/enumerateDevices-with-navigation.https.html | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mediacapture-streams/enumerateDevices-with-navigation.https.html b/testing/web-platform/tests/mediacapture-streams/enumerateDevices-with-navigation.https.html new file mode 100644 index 0000000000..d951c1cdff --- /dev/null +++ b/testing/web-platform/tests/mediacapture-streams/enumerateDevices-with-navigation.https.html @@ -0,0 +1,77 @@ +<!doctype html> +<title>enumerateDevices() with navigation</title> +<script src=/resources/testharness.js></script> +<script src=/resources/testharnessreport.js></script> +<script src="/resources/testdriver.js"></script> +<script src="/resources/testdriver-vendor.js"></script> +<body></body> +<script> +'use strict'; +const blank_url = '/common/blank.html'; +const search2 = '?2'; + +function promise_new_task(t) { + return new Promise(resolve => t.step_timeout(resolve, 0)); +} +function promise_event(target, name) { + return new Promise(resolve => target[`on${name}`] = resolve); +} + +promise_test(async t => { + // Gecko persists only toplevel documents, so load documents in a toplevel. + await test_driver.bless('window.open()'); + const proxy = window.open(blank_url); + t.add_cleanup(() => proxy.close()); + await promise_event(proxy, 'pageshow'); + const devices = proxy.navigator.mediaDevices; + // Use another task so that another load creates a new session history entry. + await promise_new_task(t); + + proxy.location = blank_url + search2; + await promise_event(proxy, 'pagehide'); + // Use another task to ensure the first subdocument is no longer fully + // active and proxy refers to the realm of the second document. + await promise_new_task(t); + assert_equals(proxy.location.search, search2, 'navigated search'); + // Enumerate from the inactive first Window. + const promise_enumerate = devices.enumerateDevices(); + // `then()` is used rather than static Promise methods because microtasks + // for `PromiseResolve()` do not run when Promises from inactive realms are + // involved. Whether microtasks for `then()` run depends on the realm of + // the handler rather than the realm of the Promise. + // Don't use `finally()`, because it uses `PromiseResolve()` and so + // microtasks don't run. + // See https://github.com/whatwg/html/issues/5319. + let promise_state = 'pending'; + promise_enumerate.then(() => promise_state = 'resolved', + () => promise_state = 'rejected'); + // Enumerate in the active second Window to provide enough time to check + // that the Promise from the inactive Window does not settle. + await proxy.navigator.mediaDevices.enumerateDevices(); + + proxy.history.back(); + await promise_event(proxy, 'pagehide'); + // enumerateDevices() Promise resolution is triggered only in parallel + // steps, so manipulation of the Promise (if the first document was + // persisted) would occur through a queued task, which would run after + // the pagehide event is dispatched and so after the associated + // microtask that runs the following assert. + // https://html.spec.whatwg.org/multipage/webappapis.html#event-loop-for-spec-authors + assert_equals(promise_state, 'pending', 'Promise state while inactive'); + // If the first document is restored, then that will occur immediately after + // pagehide (and associated microtasks), before the next global task is run. + // https://html.spec.whatwg.org/multipage/history.html#traverse-the-history-by-a-delta + await promise_new_task(t); + if (proxy.navigator.mediaDevices == devices) { + // The first document was persisted and restored. + assert_equals(proxy.location.search, '', 'history search'); + await promise_enumerate; + } else { + // The first document was not restored, but gets re-fetched. + await t.step_wait(() => proxy.location.search == '', 'navigation'); + assert_not_equals(proxy.navigator.mediaDevices, devices, 'new realm') + await proxy.navigator.mediaDevices.enumerateDevices(); + assert_equals(promise_state, 'pending', 'Promise state after discard'); + } +}, 'enumerateDevices with navigation'); +</script> |