1 files changed, 29 insertions, 0 deletions
diff --git a/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_noSessionRestoreMenuOption.js b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_noSessionRestoreMenuOption.js
new file mode 100644
index 0000000000..17ea34d1aa
--- /dev/null
+++ b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_noSessionRestoreMenuOption.js
@@ -0,0 +1,29 @@
+"use strict";
+
+/**
+ * Tests that if we open a tab within a private browsing window, and then
+ * close that private browsing window, that subsequent private browsing
+ * windows do not allow the command for restoring the last session.
+ */
+add_task(async function test_no_session_restore_menu_option() {
+  let win = await BrowserTestUtils.openNewBrowserWindow({ private: true });
+  ok(true, "The first private window got loaded");
+  BrowserTestUtils.addTab(win.gBrowser, "about:mozilla");
+  await BrowserTestUtils.closeWindow(win);
+
+  win = await BrowserTestUtils.openNewBrowserWindow({ private: true });
+  let srCommand = win.document.getElementById("Browser:RestoreLastSession");
+  ok(srCommand, "The Session Restore command should exist");
+  is(
+    PrivateBrowsingUtils.isWindowPrivate(win),
+    true,
+    "PrivateBrowsingUtils should report the correct per-window private browsing status"
+  );
+  is(
+    srCommand.hasAttribute("disabled"),
+    true,
+    "The Session Restore command should be disabled in private browsing mode"
+  );
+
+  await BrowserTestUtils.closeWindow(win);
+});