1 files changed, 55 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_485482.js b/browser/components/sessionstore/test/browser_485482.js
new file mode 100644
index 0000000000..28b011f5f8
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_485482.js
@@ -0,0 +1,55 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const URL = ROOT + "browser_485482_sample.html";
+
+/**
+ * Bug 485482 - Make sure that we produce valid XPath expressions even for very
+ * weird HTML documents.
+ */
+add_task(async function test_xpath_exp_for_strange_documents() {
+  // Load a page with weird tag names.
+  let tab = BrowserTestUtils.addTab(gBrowser, URL);
+  let browser = tab.linkedBrowser;
+  await promiseBrowserLoaded(browser);
+
+  // Fill in some values.
+  let uniqueValue = Math.random();
+  await setPropertyOfFormField(
+    browser,
+    "input[type=text]",
+    "value",
+    uniqueValue
+  );
+  await setPropertyOfFormField(
+    browser,
+    "input[type=checkbox]",
+    "checked",
+    true
+  );
+
+  // Duplicate the tab.
+  let tab2 = gBrowser.duplicateTab(tab);
+  let browser2 = tab2.linkedBrowser;
+  await promiseTabRestored(tab2);
+
+  // Check that we generated valid XPath expressions to restore form values.
+  let text = await getPropertyOfFormField(
+    browser2,
+    "input[type=text]",
+    "value"
+  );
+  is("" + text, "" + uniqueValue, "generated XPath expression was valid");
+  let checkbox = await getPropertyOfFormField(
+    browser2,
+    "input[type=checkbox]",
+    "checked"
+  );
+  ok(checkbox, "generated XPath expression was valid");
+
+  // Cleanup.
+  gBrowser.removeTab(tab2);
+  gBrowser.removeTab(tab);
+});