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# mode: run
# tag: cpp, cpp11
cdef extern from *:
"""
enum class Enum1 {
Item1 = 1,
Item2 = 2
};
enum class Enum2 {
Item4 = 4,
Item5 = 5
};
"""
cpdef enum class Enum1:
Item1
Item2
cpdef enum class Enum2:
"""Apricots and other fruits.
"""
Item4
Item5
def test_enum_to_list():
"""
>>> test_enum_to_list()
"""
assert list(Enum1) == [1, 2]
assert list(Enum2) == [4, 5]
def test_enum_doc():
"""
>>> Enum2.__doc__ == "Apricots and other fruits.\\n "
True
>>> Enum1.__doc__ != "Apricots and other fruits.\\n "
True
"""
pass
def to_from_py_conversion(Enum1 val):
"""
>>> to_from_py_conversion(Enum1.Item1) is Enum1.Item1
True
Scoped enums should not be used as flags, and therefore attempts to set them
with arbitrary values should fail
>>> to_from_py_conversion(500)
Traceback (most recent call last):
...
ValueError: 500 is not a valid Enum1
# Note that the ability to bitwise-or together the two numbers is inherited
from the Python enum (so not in Cython's remit to prevent)
>>> to_from_py_conversion(Enum1.Item1 | Enum1.Item2)
Traceback (most recent call last):
...
ValueError: 3 is not a valid Enum1
"""
return val
def test_pickle():
"""
>>> from pickle import loads, dumps
>>> import sys
Pickling enums won't work without the enum module, so disable the test
>>> if sys.version_info < (3, 4):
... loads = dumps = lambda x: x
>>> loads(dumps(Enum1.Item2)) == Enum1.Item2
True
>>> loads(dumps(Enum2.Item4)) == Enum2.Item4
True
"""
pass
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