# -*- coding: utf-8 -*-
"""Test clr enum support."""
import pytest
import Python.Test as Test
from ._compat import DictProxyType, long
def test_enum_standard_attrs():
"""Test standard enum attributes."""
from System import DayOfWeek
assert DayOfWeek.__name__ == 'DayOfWeek'
assert DayOfWeek.__module__ == 'System'
assert isinstance(DayOfWeek.__dict__, DictProxyType)
assert DayOfWeek.__doc__ is None
def test_enum_get_member():
"""Test access to enum members."""
from System import DayOfWeek
assert DayOfWeek.Sunday == 0
assert DayOfWeek.Monday == 1
assert DayOfWeek.Tuesday == 2
assert DayOfWeek.Wednesday == 3
assert DayOfWeek.Thursday == 4
assert DayOfWeek.Friday == 5
assert DayOfWeek.Saturday == 6
def test_byte_enum():
"""Test byte enum."""
assert Test.ByteEnum.Zero == 0
assert Test.ByteEnum.One == 1
assert Test.ByteEnum.Two == 2
def test_sbyte_enum():
"""Test sbyte enum."""
assert Test.SByteEnum.Zero == 0
assert Test.SByteEnum.One == 1
assert Test.SByteEnum.Two == 2
def test_short_enum():
"""Test short enum."""
assert Test.ShortEnum.Zero == 0
assert Test.ShortEnum.One == 1
assert Test.ShortEnum.Two == 2
def test_ushort_enum():
"""Test ushort enum."""
assert Test.UShortEnum.Zero == 0
assert Test.UShortEnum.One == 1
assert Test.UShortEnum.Two == 2
def test_int_enum():
"""Test int enum."""
assert Test.IntEnum.Zero == 0
assert Test.IntEnum.One == 1
assert Test.IntEnum.Two == 2
def test_uint_enum():
"""Test uint enum."""
assert Test.UIntEnum.Zero == long(0)
assert Test.UIntEnum.One == long(1)
assert Test.UIntEnum.Two == long(2)
def test_long_enum():
"""Test long enum."""
assert Test.LongEnum.Zero == long(0)
assert Test.LongEnum.One == long(1)
assert Test.LongEnum.Two == long(2)
def test_ulong_enum():
"""Test ulong enum."""
assert Test.ULongEnum.Zero == long(0)
assert Test.ULongEnum.One == long(1)
assert Test.ULongEnum.Two == long(2)
def test_instantiate_enum_fails():
"""Test that instantiation of an enum class fails."""
from System import DayOfWeek
with pytest.raises(TypeError):
_ = DayOfWeek()
def test_subclass_enum_fails():
"""Test that subclassing of an enumeration fails."""
from System import DayOfWeek
with pytest.raises(TypeError):
class Boom(DayOfWeek):
pass
_ = Boom
def test_enum_set_member_fails():
"""Test that setattr operations on enumerations fail."""
from System import DayOfWeek
with pytest.raises(TypeError):
DayOfWeek.Sunday = 13
with pytest.raises(TypeError):
del DayOfWeek.Sunday
def test_enum_with_flags_attr_conversion():
"""Test enumeration conversion with FlagsAttribute set."""
# This works because the FlagsField enum has FlagsAttribute.
Test.FieldTest().FlagsField = 99
# This should fail because our test enum doesn't have it.
with pytest.raises(ValueError):
Test.FieldTest().EnumField = 99
def test_enum_conversion():
"""Test enumeration conversion."""
ob = Test.FieldTest()
assert ob.EnumField == 0
ob.EnumField = Test.ShortEnum.One
assert ob.EnumField == 1
with pytest.raises(ValueError):
Test.FieldTest().EnumField = 20
with pytest.raises(OverflowError):
Test.FieldTest().EnumField = 100000
with pytest.raises(TypeError):
Test.FieldTest().EnumField = "str"