Add m-esr52 at 52.6.0

1 files changed, 13 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 000000000..cd4859301
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_fileReader.js
@@ -0,0 +1,13 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test() {
+  var Cu = Components.utils;
+  var sb = new Cu.Sandbox('http://www.example.com',
+                          { wantGlobalProperties: ["FileReader"] });
+  sb.do_check_true = do_check_true;
+  Cu.evalInSandbox('do_check_true((new FileReader()) instanceof FileReader);',
+                   sb);
+  Cu.importGlobalProperties(["FileReader"]);
+  do_check_true((new FileReader()) instanceof FileReader);
+}