1 files changed, 31 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_579868.js b/browser/components/sessionstore/test/browser_579868.js
new file mode 100644
index 0000000000..b54aa89cdb
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_579868.js
@@ -0,0 +1,31 @@
+/* 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/. */
+
+function test() {
+  waitForExplicitFinish();
+
+  let tab1 = BrowserTestUtils.addTab(gBrowser, "about:rights");
+  let tab2 = BrowserTestUtils.addTab(gBrowser, "about:mozilla");
+
+  promiseBrowserLoaded(tab1.linkedBrowser).then(() => {
+    // Tell the session storer that the tab is pinned
+    let newTabState =
+      '{"entries":[{"url":"about:rights"}],"pinned":true,"userTypedValue":"Hello World!"}';
+    ss.setTabState(tab1, newTabState);
+
+    // Undo pinning
+    gBrowser.unpinTab(tab1);
+
+    // Close and restore tab
+    gBrowser.removeTab(tab1);
+    let savedState = ss.getClosedTabDataForWindow(window)[0].state;
+    isnot(savedState.pinned, true, "Pinned should not be true");
+    tab1 = ss.undoCloseTab(window, 0);
+
+    isnot(tab1.pinned, true, "Should not be pinned");
+    gBrowser.removeTab(tab1);
+    gBrowser.removeTab(tab2);
+    finish();
+  });
+}