1 files changed, 16 insertions, 0 deletions
diff --git a/modules/libjar/test/unit/test_bug458158.js b/modules/libjar/test/unit/test_bug458158.js
new file mode 100644
index 0000000000..15e327fba5
--- /dev/null
+++ b/modules/libjar/test/unit/test_bug458158.js
@@ -0,0 +1,16 @@
+function run_test() {
+  var zReader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(
+    Ci.nsIZipReader
+  );
+  try {
+    zReader.open(null);
+    do_throw("Shouldn't get here!");
+  } catch (e) {
+    if (
+      !(e instanceof Ci.nsIException && e.result == Cr.NS_ERROR_NULL_POINTER)
+    ) {
+      throw e;
+    }
+    // do nothing, this test passes
+  }
+}