1 files changed, 23 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_stringstream.js b/xpcom/tests/unit/test_stringstream.js
new file mode 100644
index 000000000..60503a58f
--- /dev/null
+++ b/xpcom/tests/unit/test_stringstream.js
@@ -0,0 +1,23 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
+/* 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/. */
+
+var Cc = Components.classes;
+var Ci = Components.interfaces;
+var Cr = Components.results;
+
+function run_test()
+{
+    var s = Cc["@mozilla.org/io/string-input-stream;1"]
+              .createInstance(Ci.nsIStringInputStream);
+    var body = "This is a test";
+    s.setData(body, body.length);
+    do_check_eq(s.available(), body.length);
+
+    var sis = Cc["@mozilla.org/scriptableinputstream;1"]
+                .createInstance(Ci.nsIScriptableInputStream);
+    sis.init(s);
+
+    do_check_eq(sis.read(body.length), body);
+}