diff --git a/test/test.coffee b/test/test.coffee
new file mode 100644
index 0000000..f29abdb
--- /dev/null
+++ b/test/test.coffee
@@ -0,0 +1,36 @@
+
+assert = require 'assert'
+
+lib = require './../lib'
+
+
+# Tue, 07 Jun 2011 18:51:45 GMT
+t = new Date 1307472705867
+
+
+TESTS = [
+  
+  ["%Y", "2011", "2011"]
+  
+  ["%m", "06"]
+  ["%b", "Jun", "Jun"]
+  ["%B", "June", "June"]
+  
+  ["%d", null, "07"]
+  
+  ["%H", null, "18"]
+  
+  ["%M", "51", "51"]
+  
+  ["%S", "45", "45"]
+  
+  ["%s", "1307472705"]
+]
+
+for [format, expectedNonUTC, expectedUTC] in TESTS
+  expectedUTC or= expectedNonUTC
+  for [name, expected] in [['strftime', expectedNonUTC], ['strftimeUTC', expectedUTC]]
+    if expected
+      got = lib[name] format, t
+      assert.equal expected, got, "Error for #{name}(#{JSON.stringify(format)}, t): expected #{JSON.stringify(expected)}, got #{JSON.stringify(got)}"
+