diff --git a/spec/tlib/dictionary.vim b/spec/tlib/dictionary.vim
new file mode 100644
index 0000000..52439e6
--- /dev/null
+++ b/spec/tlib/dictionary.vim
@@ -0,0 +1,28 @@
+" @Author:      Tom Link (mailto:micathom AT gmail com?subject=[vim])
+" @Website:     https://github.com/tomtom
+" @License:     GPL (see http://www.gnu.org/licenses/gpl.txt)
+" @Created:     2016-04-03.
+" @Last Change: 2016-04-03.
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+
+
+SpecBegin 'title': 'tlib#dictionary'
+
+
+It should handle basic test cases for tlib#dictionary#Rev properly.
+
+Should be equal tlib#dictionary#Rev({}), {}
+Should be equal tlib#dictionary#Rev({1: 2, 3: 4}), {'2': '1', '4': '3'}
+Should be equal tlib#dictionary#Rev({1: '', 3: 4}, {'empty': '*'}), {'*': '1', '4': '3'}
+Should be equal tlib#dictionary#Rev({1: '', 3: 4}, {'use_string': 1}), {'''''': '1', '4': '3'}
+Should be equal tlib#dictionary#Rev({1: '', 3: 4}, {'use_string': 1, 'use_eval': 1}), {'''''': 1, '4': 3}
+Should be equal tlib#dictionary#Rev(tlib#dictionary#Rev({1: '', 3: 4}, {'use_string': 1}), {'use_eval': 1}), {1: '', 3: 4}
+Should be equal tlib#dictionary#Rev({1: 4, 2: 4}, {'values_as_list': 1}), {'4': ['1', '2']}
+Should be equal tlib#dictionary#Rev({1: 4, 2: 4}, {'values_as_list': 1, 'use_eval': 1}), {'4': [1, 2]}
+
+
+let &cpo = s:save_cpo
+unlet s:save_cpo