1 files changed, 20 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug376865.js b/netwerk/test/unit/test_bug376865.js
new file mode 100644
index 000000000..a068c555a
--- /dev/null
+++ b/netwerk/test/unit/test_bug376865.js
@@ -0,0 +1,20 @@
+function run_test() {
+  var stream = Cc["@mozilla.org/io/string-input-stream;1"].
+    createInstance(Ci.nsISupportsCString);
+  stream.data = "foo bar baz";
+
+  var pump = Cc["@mozilla.org/network/input-stream-pump;1"].
+    createInstance(Ci.nsIInputStreamPump);
+  pump.init(stream, -1, -1, 0, 0, false);
+
+  // When we pass a null listener argument too asyncRead we expect it to throw
+  // instead of crashing.
+  try {
+    pump.asyncRead(null, null);
+  }
+  catch (e) {
+    return;
+  }
+
+  do_throw("asyncRead didn't throw when passed a null listener argument.");
+}