1 files changed, 12 insertions, 0 deletions
diff --git a/modules/libjar/test/unit/test_bug336691.js b/modules/libjar/test/unit/test_bug336691.js
new file mode 100644
index 000000000..e10dd3c9c
--- /dev/null
+++ b/modules/libjar/test/unit/test_bug336691.js
@@ -0,0 +1,12 @@
+// Regression test for bug 336691 - nsZipArchive::Test shouldn't try to ExtractFile on directories.
+var Cc = Components.classes;
+var Ci = Components.interfaces;
+
+function run_test() {
+  var file = do_get_file("data/test_bug336691.zip");
+  var zipReader = Cc["@mozilla.org/libjar/zip-reader;1"].
+                  createInstance(Ci.nsIZipReader);
+  zipReader.open(file);
+  zipReader.test(null); // We shouldn't crash here.
+  zipReader.close();
+}