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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js b/accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js new file mode 100644 index 0000000000..af21b3dc4c --- /dev/null +++ b/accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js @@ -0,0 +1,76 @@ +/* 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 () { + // Create a11y service. + const [a11yInitObserver, a11yInit] = initAccService(); + await a11yInitObserver; + + let accService = Cc["@mozilla.org/accessibilityService;1"].getService( + Ci.nsIAccessibilityService + ); + + await a11yInit; + ok(accService, "Service initialized"); + + let docAcc = accService.getAccessibleFor(document); + ok(docAcc, "Accessible document is created"); + + // Accessible object reference will live longer than the scope of this + // function. + let acc = await new Promise(resolve => { + let intervalId = setInterval(() => { + let tabAcc = accService.getAccessibleFor(gBrowser.selectedTab); + if (tabAcc) { + clearInterval(intervalId); + resolve(tabAcc); + } + }, 10); + }); + ok(acc, "Accessible object is created"); + + let canShutdown = false; + // This promise will resolve only if canShutdown flag is set to true. If + // 'a11y-init-or-shutdown' event with '0' flag comes before it can be shut + // down, the promise will reject. + 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 are + // references to accessible objects. + forceGC(); + // Have some breathing room when removing a11y service references. + await TestUtils.waitForTick(); + + // Remove a reference to an accessible document. + docAcc = null; + ok(!docAcc, "Accessible document is removed"); + // Force garbage collection that should not trigger shutdown because there is + // a reference to an accessible object. + forceGC(); + // Have some breathing room when removing a11y service references. + await TestUtils.waitForTick(); + + // Now allow a11y service to shutdown. + canShutdown = true; + // Remove a reference to an accessible object. + acc = null; + ok(!acc, "Accessible object is removed"); + + // Force garbage collection that should now trigger shutdown. + forceGC(); + await a11yShutdown; +}); |