1 files changed, 25 insertions, 0 deletions
diff --git a/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_aboutSessionRestore.js b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_aboutSessionRestore.js
new file mode 100644
index 0000000000..a838a7e52d
--- /dev/null
+++ b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_aboutSessionRestore.js
@@ -0,0 +1,25 @@
+/* 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/. */
+
+// This test checks that the session restore button from about:sessionrestore
+// is disabled in private mode
+add_task(async function testNoSessionRestoreButton() {
+  // Opening, then closing, a private window shouldn't create session data.
+  (await BrowserTestUtils.openNewBrowserWindow({ private: true })).close();
+
+  let win = await BrowserTestUtils.openNewBrowserWindow({ private: true });
+  let tab = BrowserTestUtils.addTab(win.gBrowser, "about:sessionrestore");
+  let browser = tab.linkedBrowser;
+
+  await BrowserTestUtils.browserLoaded(browser);
+
+  await SpecialPowers.spawn(browser, [], async function () {
+    Assert.ok(
+      content.document.getElementById("errorTryAgain").disabled,
+      "The Restore about:sessionrestore button should be disabled"
+    );
+  });
+
+  win.close();
+});