1 files changed, 12 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_fileReader.js b/js/xpconnect/tests/unit/test_fileReader.js
new file mode 100644
index 0000000000..ea86096319
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_fileReader.js
@@ -0,0 +1,12 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test() {
+  var sb = new Cu.Sandbox('http://www.example.com',
+                          { wantGlobalProperties: ["FileReader"] });
+  sb.ok = ok;
+  Cu.evalInSandbox('ok((new FileReader()) instanceof FileReader);',
+                   sb);
+  Cu.importGlobalProperties(["FileReader"]);
+  Assert.ok((new FileReader()) instanceof FileReader);
+}