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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /accessible/tests/browser/browser_shutdown_parent_own_reference.js | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'accessible/tests/browser/browser_shutdown_parent_own_reference.js')
| -rw-r--r-- | accessible/tests/browser/browser_shutdown_parent_own_reference.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/accessible/tests/browser/browser_shutdown_parent_own_reference.js b/accessible/tests/browser/browser_shutdown_parent_own_reference.js new file mode 100644 index 000000000..9895bd2c7 --- /dev/null +++ b/accessible/tests/browser/browser_shutdown_parent_own_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(function* () { + // Making sure that the e10s is enabled on Windows for testing. + yield setE10sPrefs(); + + yield BrowserTestUtils.withNewTab({ + gBrowser, + url: `data:text/html, + <html> + <head> + <meta charset="utf-8"/> + <title>Accessibility Test</title> + </head> + <body></body> + </html>` + }, function*(browser) { + info('Creating a service in parent and waiting for service to be created ' + + 'in content'); + // Create a11y service in the main process. This will trigger creating of + // the a11y service in parent as well. + let parentA11yInit = initPromise(); + let contentA11yInit = initPromise(browser); + let accService = Cc['@mozilla.org/accessibilityService;1'].getService( + Ci.nsIAccessibilityService); + ok(accService, 'Service initialized in parent'); + yield Promise.all([parentA11yInit, contentA11yInit]); + + info('Adding additional reference to accessibility service in content ' + + 'process'); + // Add a new reference to the a11y service inside the content process. + loadFrameScripts(browser, `let accService = Components.classes[ + '@mozilla.org/accessibilityService;1'].getService( + Components.interfaces.nsIAccessibilityService);`); + + info('Trying to shut down a service in content and making sure it stays ' + + 'alive as it was started by parent'); + let contentCanShutdown = false; + // This promise will resolve only if contentCanShutdown flag is set to true. + // If 'a11y-init-or-shutdown' event with '0' flag (in content) comes before + // it can be shut down, the promise will reject. + let contentA11yShutdown = new Promise((resolve, reject) => + shutdownPromise(browser).then(flag => contentCanShutdown ? + resolve() : reject('Accessible service was shut down incorrectly'))); + // Remove a11y service reference in content and force garbage collection. + // This should not trigger shutdown since a11y was originally initialized by + // the main process. + loadFrameScripts(browser, `accService = null; Components.utils.forceGC();`); + + // Have some breathing room between a11y service shutdowns. + yield new Promise(resolve => executeSoon(resolve)); + + info('Removing a service in parent'); + // Now allow a11y service to shutdown in content. + contentCanShutdown = true; + // Remove the a11y service reference in the main process. + let parentA11yShutdown = shutdownPromise(); + accService = null; + ok(!accService, 'Service is removed in parent'); + // Force garbage collection that should trigger shutdown in both parent and + // content. + forceGC(); + yield Promise.all([parentA11yShutdown, contentA11yShutdown]); + + // Unsetting e10s related preferences. + yield unsetE10sPrefs(); + }); +}); |