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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /accessible/tests/browser/browser_shutdown_proxy_doc_acc_reference.js | |
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 '')
-rw-r--r-- | accessible/tests/browser/browser_shutdown_proxy_doc_acc_reference.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/accessible/tests/browser/browser_shutdown_proxy_doc_acc_reference.js b/accessible/tests/browser/browser_shutdown_proxy_doc_acc_reference.js new file mode 100644 index 0000000000..6d4ad71f1e --- /dev/null +++ b/accessible/tests/browser/browser_shutdown_proxy_doc_acc_reference.js @@ -0,0 +1,72 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +add_task(async function () { + let docLoaded = waitForEvent( + Ci.nsIAccessibleEvent.EVENT_DOCUMENT_LOAD_COMPLETE, + "body" + ); + const [a11yInitObserver, a11yInit] = initAccService(); + await a11yInitObserver; + + let accService = Cc["@mozilla.org/accessibilityService;1"].getService( + Ci.nsIAccessibilityService + ); + ok(accService, "Service initialized"); + await a11yInit; + + await BrowserTestUtils.withNewTab( + { + gBrowser, + url: `data:text/html, + <html> + <head> + <meta charset="utf-8"/> + <title>Accessibility Test</title> + </head> + <body id="body"></body> + </html>`, + }, + async function (browser) { + let docLoadedEvent = await docLoaded; + let docAcc = docLoadedEvent.accessibleDocument; + ok(docAcc, "Accessible document proxy is created"); + // Remove unnecessary dangling references + docLoaded = null; + docLoadedEvent = null; + forceGC(); + + let canShutdown = false; + const [a11yShutdownObserver, a11yShutdownPromise] = shutdownAccService(); + await a11yShutdownObserver; + const a11yShutdown = new Promise((resolve, reject) => + a11yShutdownPromise.then(flag => + canShutdown + ? resolve() + : reject("Accessible service was shut down incorrectly") + ) + ); + + accService = null; + ok(!accService, "Service is removed"); + // Force garbage collection that should not trigger shutdown because there + // is a reference to an accessible proxy. + forceGC(); + // Have some breathing room when removing a11y service references. + await TestUtils.waitForTick(); + + // Now allow a11y service to shutdown. + canShutdown = true; + // Remove a last reference to an accessible document proxy. + docAcc = null; + ok(!docAcc, "Accessible document proxy is removed"); + + // Force garbage collection that should now trigger shutdown. + forceGC(); + await a11yShutdown; + } + ); +}); |