matchers: fix the bug in rust PatternMatcher that made it cut off early
This brings the rust output in line with the Python output.
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__)