1 files changed, 21 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_aboutPrivateBrowsing.js b/browser/components/sessionstore/test/browser_aboutPrivateBrowsing.js
new file mode 100644
index 000000000..3050bd4c1
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_aboutPrivateBrowsing.js
@@ -0,0 +1,21 @@
+"use strict";
+
+// Tests that an about:privatebrowsing tab with no history will not
+// be saved into session store and thus, it will not show up in
+// Recently Closed Tabs.
+
+add_task(function* () {
+  let tab = gBrowser.addTab("about:privatebrowsing");
+  let browser = tab.linkedBrowser;
+  yield promiseBrowserLoaded(browser);
+
+  is(gBrowser.browsers[1].currentURI.spec, "about:privatebrowsing",
+     "we will be removing an about:privatebrowsing tab");
+
+  let r = `rand-${Math.random()}`;
+  ss.setTabValue(tab, "foobar", r);
+
+  yield promiseRemoveTab(tab);
+  let closedTabData = ss.getClosedTabData(window);
+  ok(!closedTabData.includes(r), "tab not stored in _closedTabs");
+});