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Polish unique chars challenge and solution

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Add None input test case.  Update constraints.
This commit is contained in:
Donne Martin
2016-06-12 23:19:09 -04:00
parent 4fc8dbcc32
commit 895011b685
3 changed files with 29 additions and 14 deletions
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1
arrays_strings/unique_chars/test_unique_chars.py
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@@ -4,6 +4,7 @@ from nose.tools import assert_equal
class TestUniqueChars(object):
def test_unique_chars(self, func):
assert_equal(func(None), False)
assert_equal(func(''), True)
assert_equal(func('foo'), False)
assert_equal(func('bar'), True)