diff --git a/test/data/iotest.out b/test/data/iotest.out
new file mode 100644
index 00000000..487b3abe
--- /dev/null
+++ b/test/data/iotest.out
@@ -0,0 +1,10 @@
+Exif.Image.DateTime                          Ascii      21  2004-07-13T21:23:44Z
+Iptc.Application2.City                       String      7  Seattle
+Exif.Image.DateTime                          Ascii      20  2012:04:07 16:11:27
+Exif.Photo.DateTimeOriginal                  Ascii      20  2004:06:21 23:37:53
+Exif.Photo.DateTimeDigitized                 Ascii      20  2004:06:21 23:37:53
+Iptc.Application2.City                       String     19  Straits of Magellan
+Xmp.photoshop.City                           XmpText    19  Straits of Magellan
+Exif.Image.DateTime                          Ascii      20  2015:02:13 20:46:51
+Exif.Photo.DateTimeOriginal                  Ascii      20  2015:02:13 13:51:35
+Exif.Photo.DateTimeDigitized                 Ascii      20  2015:02:13 13:51:35