1 files changed, 141 insertions, 0 deletions
diff --git a/accessible/tests/browser/browser_shutdown_remote_no_reference.js b/accessible/tests/browser/browser_shutdown_remote_no_reference.js
new file mode 100644
index 0000000000..dc2a7e33e9
--- /dev/null
+++ b/accessible/tests/browser/browser_shutdown_remote_no_reference.js
@@ -0,0 +1,141 @@
+/* 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();
+
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: `data:text/html,
+      <html>
+        <head>
+          <meta charset="utf-8"/>
+          <title>Accessibility Test</title>
+        </head>
+        <body></body>
+      </html>`,
+    },
+    async function (browser) {
+      info(
+        "Creating a service in parent and waiting for service to be created " +
+          "in content"
+      );
+      await loadContentScripts(browser, {
+        script: "Common.sys.mjs",
+        symbol: "CommonUtils",
+      });
+      // Create a11y service in the main process. This will trigger creating of
+      // the a11y service in parent as well.
+      const [parentA11yInitObserver, parentA11yInit] = initAccService();
+      const [contentA11yInitObserver, contentA11yInit] =
+        initAccService(browser);
+      let [parentConsumersChangedObserver, parentConsumersChanged] =
+        accConsumersChanged();
+      let [contentConsumersChangedObserver, contentConsumersChanged] =
+        accConsumersChanged(browser);
+
+      await Promise.all([
+        parentA11yInitObserver,
+        contentA11yInitObserver,
+        parentConsumersChangedObserver,
+        contentConsumersChangedObserver,
+      ]);
+
+      let accService = Cc["@mozilla.org/accessibilityService;1"].getService(
+        Ci.nsIAccessibilityService
+      );
+      ok(accService, "Service initialized in parent");
+      await Promise.all([parentA11yInit, contentA11yInit]);
+      await parentConsumersChanged.then(data =>
+        Assert.deepEqual(
+          data,
+          {
+            XPCOM: true,
+            MainProcess: false,
+            PlatformAPI: false,
+          },
+          "Accessibility service consumers in parent are correct."
+        )
+      );
+      await contentConsumersChanged.then(data =>
+        Assert.deepEqual(
+          data,
+          {
+            XPCOM: false,
+            MainProcess: true,
+            PlatformAPI: false,
+          },
+          "Accessibility service consumers in content are correct."
+        )
+      );
+
+      Assert.deepEqual(
+        JSON.parse(accService.getConsumers()),
+        {
+          XPCOM: true,
+          MainProcess: false,
+          PlatformAPI: false,
+        },
+        "Accessibility service consumers in parent are correct."
+      );
+
+      info(
+        "Removing a service in parent and waiting for service to be shut " +
+          "down in content"
+      );
+      // Remove a11y service reference in the main process.
+      const [parentA11yShutdownObserver, parentA11yShutdown] =
+        shutdownAccService();
+      const [contentA11yShutdownObserver, contentA11yShutdown] =
+        shutdownAccService(browser);
+      [parentConsumersChangedObserver, parentConsumersChanged] =
+        accConsumersChanged();
+      [contentConsumersChangedObserver, contentConsumersChanged] =
+        accConsumersChanged(browser);
+
+      await Promise.all([
+        parentA11yShutdownObserver,
+        contentA11yShutdownObserver,
+        parentConsumersChangedObserver,
+        contentConsumersChangedObserver,
+      ]);
+
+      accService = null;
+      ok(!accService, "Service is removed in parent");
+      // Force garbage collection that should trigger shutdown in both main and
+      // content process.
+      forceGC();
+      await Promise.all([parentA11yShutdown, contentA11yShutdown]);
+      await parentConsumersChanged.then(data =>
+        Assert.deepEqual(
+          data,
+          {
+            XPCOM: false,
+            MainProcess: false,
+            PlatformAPI: false,
+          },
+          "Accessibility service consumers are correct."
+        )
+      );
+      await contentConsumersChanged.then(data =>
+        Assert.deepEqual(
+          data,
+          {
+            XPCOM: false,
+            MainProcess: false,
+            PlatformAPI: false,
+          },
+          "Accessibility service consumers are correct."
+        )
+      );
+    }
+  );
+
+  // Unsetting e10s related preferences.
+  await unsetE10sPrefs();
+});