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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| 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_proxy_acc_reference.js | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/tests/browser/browser_shutdown_proxy_acc_reference.js')
| -rw-r--r-- | accessible/tests/browser/browser_shutdown_proxy_acc_reference.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/accessible/tests/browser/browser_shutdown_proxy_acc_reference.js b/accessible/tests/browser/browser_shutdown_proxy_acc_reference.js new file mode 100644 index 0000000000..f0e93cc188 --- /dev/null +++ b/accessible/tests/browser/browser_shutdown_proxy_acc_reference.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 () { + // Making sure that the e10s is enabled on Windows for testing. + await setE10sPrefs(); + + 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><div id="div" style="visibility: hidden;"></div></body> + </html>`, + }, + async function (browser) { + let onShow = waitForEvent(Ci.nsIAccessibleEvent.EVENT_SHOW, "div"); + await invokeSetStyle(browser, "div", "visibility", "visible"); + let showEvent = await onShow; + let divAcc = showEvent.accessible; + ok(divAcc, "Accessible proxy is created"); + // Remove unnecessary dangling references + onShow = null; + showEvent = 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 proxy. + divAcc = null; + ok(!divAcc, "Accessible proxy is removed"); + + // Force garbage collection that should now trigger shutdown. + forceGC(); + await a11yShutdown; + } + ); + + // Unsetting e10s related preferences. + await unsetE10sPrefs(); +}); |