1 files changed, 35 insertions, 0 deletions
diff --git a/toolkit/components/contentprefs/tests/unit/test_bug503971.js b/toolkit/components/contentprefs/tests/unit/test_bug503971.js
new file mode 100644
index 000000000..ccfe1d02b
--- /dev/null
+++ b/toolkit/components/contentprefs/tests/unit/test_bug503971.js
@@ -0,0 +1,35 @@
+/* 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 run_test() {
+  var cps = new ContentPrefInstance(null);
+
+  var uri = ContentPrefTest.getURI("http://www.example.com/");
+
+  do_check_thrown(function () { cps.setPref(uri, null, 8); });
+  do_check_thrown(function () { cps.hasPref(uri, null); });
+  do_check_thrown(function () { cps.getPref(uri, null); });
+  do_check_thrown(function () { cps.removePref(uri, null); });
+  do_check_thrown(function () { cps.getPrefsByName(null); });
+  do_check_thrown(function () { cps.removePrefsByName(null); });
+
+  do_check_thrown(function () { cps.setPref(uri, "", 21); });
+  do_check_thrown(function () { cps.hasPref(uri, ""); });
+  do_check_thrown(function () { cps.getPref(uri, ""); });
+  do_check_thrown(function () { cps.removePref(uri, ""); });
+  do_check_thrown(function () { cps.getPrefsByName(""); });
+  do_check_thrown(function () { cps.removePrefsByName(""); });
+}
+
+function do_check_thrown (aCallback) {
+  var exThrown = false;
+  try {
+    aCallback();
+    do_throw("NS_ERROR_ILLEGAL_VALUE should have been thrown here");
+  } catch (e) {
+    do_check_eq(e.result, Cr.NS_ERROR_ILLEGAL_VALUE);
+    exThrown = true;
+  }
+  do_check_true(exThrown);
+}