1 files changed, 21 insertions, 0 deletions
diff --git a/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_nonbrowser.js b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_nonbrowser.js
new file mode 100644
index 0000000000..24586d7464
--- /dev/null
+++ b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_nonbrowser.js
@@ -0,0 +1,21 @@
+"use strict";
+
+/**
+ * Tests that we fire the last-pb-context-exited observer notification
+ * when the last private browsing window closes, even if a chrome window
+ * was opened from that private browsing window.
+ */
+add_task(async function () {
+  let win = await BrowserTestUtils.openNewBrowserWindow({ private: true });
+  let chromeWin = win.open(
+    "chrome://browser/content/places/places.xhtml",
+    "_blank",
+    "chrome,extrachrome,menubar,resizable,scrollbars,status,toolbar"
+  );
+  await BrowserTestUtils.waitForEvent(chromeWin, "load");
+  let obsPromise = TestUtils.topicObserved("last-pb-context-exited");
+  await BrowserTestUtils.closeWindow(win);
+  await obsPromise;
+  Assert.ok(true, "Got the last-pb-context-exited notification");
+  chromeWin.close();
+});