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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 /dom/serviceworkers/test/test_install_event_gc.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 'dom/serviceworkers/test/test_install_event_gc.html')
| -rw-r--r-- | dom/serviceworkers/test/test_install_event_gc.html | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/test_install_event_gc.html b/dom/serviceworkers/test/test_install_event_gc.html new file mode 100644 index 0000000000..8b68b8ac47 --- /dev/null +++ b/dom/serviceworkers/test/test_install_event_gc.html @@ -0,0 +1,121 @@ +<!-- + Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ +--> +<!DOCTYPE HTML> +<html> +<head> + <title>Test install event being GC'd before waitUntil fulfills</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<script class="testbody" type="text/javascript"> +var script = 'blocking_install_event_worker.js'; +var scope = 'sw_clients/simple.html?install-event-gc'; +var registration; + +function register() { + return navigator.serviceWorker.register(script, { scope }) + .then(swr => registration = swr); +} + +function unregister() { + if (!registration) { + return; + } + return registration.unregister(); +} + +function waitForInstallEvent() { + return new Promise((resolve, reject) => { + navigator.serviceWorker.addEventListener('message', evt => { + if (evt.data.type === 'INSTALL_EVENT') { + resolve(); + } + }); + }); +} + +function gcWorker() { + return new Promise(function(resolve, reject) { + // We are able to trigger asynchronous garbage collection and cycle + // collection by emitting "child-cc-request" and "child-gc-request" + // observer notifications. The worker RuntimeService will translate + // these notifications into the appropriate operation on all known + // worker threads. + // + // In the failure case where GC/CC causes us to abort the installation, + // we will know something happened from the statechange event. + const statechangeHandler = evt => { + // Reject rather than resolving to avoid the possibility of us seeing + // an unrelated racing statechange somehow. Since in the success case we + // will still see a state change on termination, we do explicitly need to + // be removed on the success path. + ok(registration.installing, 'service worker is still installing?'); + reject(); + }; + registration.installing.addEventListener('statechange', statechangeHandler); + // In the success case since the service worker installation is effectively + // hung, we instead depend on sending a 'ping' message to the service worker + // and hearing it 'pong' back. Since we issue our postMessage after we + // trigger the GC/CC, our 'ping' will only be processed after the GC/CC and + // therefore the pong will also strictly occur after the cycle collection. + navigator.serviceWorker.addEventListener('message', evt => { + if (evt.data.type === 'pong') { + registration.installing.removeEventListener( + 'statechange', statechangeHandler); + resolve(); + } + }); + // At the current time, the service worker will exist in our same process + // and notifyObservers is synchronous. However, in the future, service + // workers may end up in a separate process and in that case it will be + // appropriate to use notifyObserversInParentProcess or something like it. + // (notifyObserversInParentProcess is a synchronous IPC call to the parent + // process's main thread. IPDL PContent::CycleCollect is an async message. + // Ordering will be maintained if the postMessage goes via PContent as well, + // but that seems unlikely.) + SpecialPowers.notifyObservers(null, 'child-gc-request'); + SpecialPowers.notifyObservers(null, 'child-cc-request'); + SpecialPowers.notifyObservers(null, 'child-gc-request'); + // (Only send the ping after we set the gc/cc/gc in motion.) + registration.installing.postMessage({ type: 'ping' }); + }); +} + +function terminateWorker() { + return SpecialPowers.pushPrefEnv({ + set: [ + ["dom.serviceWorkers.idle_timeout", 0], + ["dom.serviceWorkers.idle_extended_timeout", 0] + ] + }).then(_ => { + registration.installing.postMessage({ type: 'RESET_TIMER' }); + }); +} + +function runTest() { + Promise.all([ + waitForInstallEvent(), + register() + ]).then(_ => ok(registration.installing, 'service worker is installing')) + .then(gcWorker) + .then(_ => ok(registration.installing, 'service worker is still installing')) + .then(terminateWorker) + .catch(e => ok(false, e)) + .then(unregister) + .then(SimpleTest.finish); +} + +SimpleTest.waitForExplicitFinish(); +SpecialPowers.pushPrefEnv({"set": [ + ["dom.serviceWorkers.exemptFromPerDomainMax", true], + ["dom.serviceWorkers.enabled", true], + ["dom.serviceWorkers.testing.enabled", true], + ["dom.caches.enabled", true], +]}, runTest); +</script> +</pre> +</body> +</html> |