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"""
.. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
"""
import itertools
import sys
from decimal import Decimal
import pytest
from typepy import Nan, StrictLevel, Typecode
nan = float("nan")
inf = float("inf")
class Test_Nan_is_type:
@pytest.mark.parametrize(
["value", "strict_level", "expected"],
list(
itertools.product(
[0.0, sys.maxsize, "0", inf, None], [StrictLevel.MIN, StrictLevel.MAX], [False]
)
)
+ list(itertools.product([nan, Decimal("NaN")], [StrictLevel.MIN, StrictLevel.MAX], [True]))
+ [
["nan", StrictLevel.MIN, True],
["nan", StrictLevel.MAX, False],
["-Nan", StrictLevel.MIN, True],
["-Nan", StrictLevel.MAX, False],
["NAN", StrictLevel.MIN, True],
["NAN", StrictLevel.MAX, False],
],
)
def test_normal(self, value, strict_level, expected):
type_checker = Nan(value, strict_level)
assert type_checker.is_type() == expected
assert type_checker.typecode == Typecode.NAN
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