1 files changed, 46 insertions, 0 deletions
diff --git a/test/tc_utfwidth.py b/test/tc_utfwidth.py
new file mode 100644
index 00000000..0288c17b
--- /dev/null
+++ b/test/tc_utfwidth.py
@@ -0,0 +1,46 @@
+# -*- encoding: utf8 -*-
+# Copyright (C) 2009, 2010  Roman Zimbelmann <romanz@lavabit.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+
+import os.path
+import sys
+rangerpath = os.path.join(os.path.dirname(__file__), '..')
+if sys.path[1] != rangerpath:
+	sys.path[1:1] = [rangerpath]
+sys.path[1:1] = ['..']
+
+from unittest import TestCase, main
+from ranger.ext.utfwidth import *
+
+a_ascii = "a"      # width = 1, bytes = 1
+a_umlaut = "ä"     # width = 1, bytes = 2
+a_katakana = "ア"  # width = 2, bytes = 3
+# need one with width = 1 & bytes = 3
+
+class Test(TestCase):
+	def test_utf_byte_length(self):
+		self.assertEqual(1, utf_byte_length(a_ascii))
+		self.assertEqual(2, utf_byte_length(a_umlaut))
+		self.assertEqual(3, utf_byte_length(a_katakana))
+
+	def test_uwid(self):
+		self.assertEqual(1, uwid(a_ascii))
+		self.assertEqual(1, uwid(a_umlaut))
+		self.assertEqual(2, uwid(a_katakana))
+		self.assertEqual(3, uwid(a_katakana + a_umlaut))
+		self.assertEqual(4, uwid("asdf"))
+		self.assertEqual(5, uwid("löööl"))
+		self.assertEqual(6, uwid("バババ"))
+
+if __name__ == '__main__': main()