1 files changed, 33 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_485563.js b/browser/components/sessionstore/test/browser_485563.js
new file mode 100644
index 0000000000..797100dd98
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_485563.js
@@ -0,0 +1,33 @@
+/* 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() {
+  /** Test for Bug 485563 **/
+
+  waitForExplicitFinish();
+
+  let uniqueValue =
+    Math.random() + "\u2028Second line\u2029Second paragraph\u2027";
+
+  let tab = BrowserTestUtils.addTab(gBrowser);
+  promiseBrowserLoaded(tab.linkedBrowser).then(() => {
+    ss.setCustomTabValue(tab, "bug485563", uniqueValue);
+    let tabState = JSON.parse(ss.getTabState(tab));
+    is(
+      tabState.extData.bug485563,
+      uniqueValue,
+      "unicode line separator wasn't over-encoded"
+    );
+    ss.deleteCustomTabValue(tab, "bug485563");
+    ss.setTabState(tab, JSON.stringify(tabState));
+    is(
+      ss.getCustomTabValue(tab, "bug485563"),
+      uniqueValue,
+      "unicode line separator was correctly preserved"
+    );
+
+    gBrowser.removeTab(tab);
+    finish();
+  });
+}