1 files changed, 46 insertions, 0 deletions
diff --git a/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_cleanup.js b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_cleanup.js
new file mode 100644
index 0000000000..9775153b06
--- /dev/null
+++ b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_cleanup.js
@@ -0,0 +1,46 @@
+/* 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";
+
+const DOMAIN = "http://example.com/";
+const PATH = "browser/browser/components/privatebrowsing/test/browser/";
+const TOP_PAGE = DOMAIN + PATH + "empty_file.html";
+
+add_task(async () => {
+  // Create a private browsing window.
+  let privateWindow = await BrowserTestUtils.openNewBrowserWindow({
+    private: true,
+  });
+
+  let privateTab = privateWindow.gBrowser.selectedBrowser;
+  BrowserTestUtils.loadURIString(privateTab, TOP_PAGE);
+  await BrowserTestUtils.browserLoaded(privateTab);
+
+  let observerExited = {
+    observe(aSubject, aTopic, aData) {
+      ok(false, "Notification received!");
+    },
+  };
+  Services.obs.addObserver(observerExited, "last-pb-context-exited");
+
+  let popup = BrowserTestUtils.waitForNewWindow();
+
+  await SpecialPowers.spawn(privateTab, [], () => {
+    content.window.open("empty_file.html", "_blank", "width=300,height=300");
+  });
+
+  popup = await popup;
+  ok(!!popup, "Popup shown");
+
+  await BrowserTestUtils.closeWindow(privateWindow);
+  Services.obs.removeObserver(observerExited, "last-pb-context-exited");
+
+  let notificationPromise = TestUtils.topicObserved("last-pb-context-exited");
+
+  popup.close();
+
+  await notificationPromise;
+  ok(true, "Notification received!");
+});