1 files changed, 39 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_339445.js b/browser/components/sessionstore/test/browser_339445.js
new file mode 100644
index 0000000000..e7c7ffa5cb
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_339445.js
@@ -0,0 +1,39 @@
+/* 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/. */
+
+add_task(async function test() {
+  /** Test for Bug 339445 **/
+
+  let testURL =
+    "http://mochi.test:8888/browser/" +
+    "browser/components/sessionstore/test/browser_339445_sample.html";
+
+  let tab = BrowserTestUtils.addTab(gBrowser, testURL);
+  await promiseBrowserLoaded(tab.linkedBrowser, true, testURL);
+
+  await SpecialPowers.spawn(tab.linkedBrowser, [], function () {
+    let doc = content.document;
+    is(
+      doc.getElementById("storageTestItem").textContent,
+      "PENDING",
+      "sessionStorage value has been set"
+    );
+  });
+
+  let tab2 = gBrowser.duplicateTab(tab);
+  await promiseTabRestored(tab2);
+
+  await ContentTask.spawn(tab2.linkedBrowser, null, function () {
+    let doc2 = content.document;
+    is(
+      doc2.getElementById("storageTestItem").textContent,
+      "SUCCESS",
+      "sessionStorage value has been duplicated"
+    );
+  });
+
+  // clean up
+  BrowserTestUtils.removeTab(tab2);
+  BrowserTestUtils.removeTab(tab);
+});