예제 #1
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def test_countparens_empty():
    assert 0 == parens.count_parens("")
예제 #2
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def test_countparens_countsOpens():
    assert 1 == parens.count_parens("(")
    assert 2 == parens.count_parens("((")
예제 #3
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def test_countparens_subtractsCloseds():
    assert -1 == parens.count_parens(")")
    assert -2 == parens.count_parens("))")
    assert -1 == parens.count_parens("())")
    assert 0 == parens.count_parens("()")