1 files changed, 23 insertions, 0 deletions
diff --git a/modules/libjar/test/unit/test_dirjar_bug525755.js b/modules/libjar/test/unit/test_dirjar_bug525755.js
new file mode 100644
index 0000000000..4e718e927d
--- /dev/null
+++ b/modules/libjar/test/unit/test_dirjar_bug525755.js
@@ -0,0 +1,23 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* 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/. */
+
+// Check that we refuse to open weird files
+function run_test() {
+  // open a bogus file
+  var file = do_get_file("/");
+
+  var zipreader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(
+    Ci.nsIZipReader
+  );
+  var failed = false;
+  try {
+    zipreader.open(file);
+  } catch (e) {
+    failed = true;
+  }
+  Assert.ok(failed);
+  zipreader = null;
+}