import unittest

from mercurial import mdiff

class splitnewlinesTests(unittest.TestCase):

    def test_splitnewlines(self):

        cases = {

            b'a\nb\nc\n': [b'a\n', b'b\n', b'c\n'],

            b'a\nb\nc': [b'a\n', b'b\n', b'c'],

            b'a\nb\nc\n\n': [b'a\n', b'b\n', b'c\n', b'\n'],

            b'': [],

            b'abcabc': [b'abcabc'],

        }

        for inp, want in cases.items():

            self.assertEqual(mdiff.splitnewlines(inp), want)

if __name__ == '__main__':

    import silenttestrunner

    silenttestrunner.main(__name__)