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-rw-r--r--xpcom/tests/unit/test_ioutil.js29
1 files changed, 29 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_ioutil.js b/xpcom/tests/unit/test_ioutil.js
new file mode 100644
index 0000000000..e269b424a2
--- /dev/null
+++ b/xpcom/tests/unit/test_ioutil.js
@@ -0,0 +1,29 @@
+/* -*- 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/. */
+
+const util = Cc["@mozilla.org/io-util;1"].getService(Ci.nsIIOUtil);
+
+function run_test() {
+ try {
+ util.inputStreamIsBuffered(null);
+ do_throw("inputStreamIsBuffered should have thrown");
+ } catch (e) {
+ Assert.equal(e.result, Cr.NS_ERROR_INVALID_POINTER);
+ }
+
+ try {
+ util.outputStreamIsBuffered(null);
+ do_throw("outputStreamIsBuffered should have thrown");
+ } catch (e) {
+ Assert.equal(e.result, Cr.NS_ERROR_INVALID_POINTER);
+ }
+
+ var s = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
+ Ci.nsIStringInputStream
+ );
+ var body = "This is a test";
+ s.setData(body, body.length);
+ Assert.equal(util.inputStreamIsBuffered(s), true);
+}