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import pytest
from pybind11_tests import enums as m
def test_unscoped_enum():
assert str(m.UnscopedEnum.EOne) == "UnscopedEnum.EOne"
assert str(m.UnscopedEnum.ETwo) == "UnscopedEnum.ETwo"
assert str(m.EOne) == "UnscopedEnum.EOne"
# __members__ property
assert m.UnscopedEnum.__members__ == \
{"EOne": m.UnscopedEnum.EOne, "ETwo": m.UnscopedEnum.ETwo}
# __members__ readonly
with pytest.raises(AttributeError):
m.UnscopedEnum.__members__ = {}
# __members__ returns a copy
foo = m.UnscopedEnum.__members__
foo["bar"] = "baz"
assert m.UnscopedEnum.__members__ == \
{"EOne": m.UnscopedEnum.EOne, "ETwo": m.UnscopedEnum.ETwo}
# no TypeError exception for unscoped enum ==/!= int comparisons
y = m.UnscopedEnum.ETwo
assert y == 2
assert y != 3
assert int(m.UnscopedEnum.ETwo) == 2
assert str(m.UnscopedEnum(2)) == "UnscopedEnum.ETwo"
# order
assert m.UnscopedEnum.EOne < m.UnscopedEnum.ETwo
assert m.UnscopedEnum.EOne < 2
assert m.UnscopedEnum.ETwo > m.UnscopedEnum.EOne
assert m.UnscopedEnum.ETwo > 1
assert m.UnscopedEnum.ETwo <= 2
assert m.UnscopedEnum.ETwo >= 2
assert m.UnscopedEnum.EOne <= m.UnscopedEnum.ETwo
assert m.UnscopedEnum.EOne <= 2
assert m.UnscopedEnum.ETwo >= m.UnscopedEnum.EOne
assert m.UnscopedEnum.ETwo >= 1
assert not (m.UnscopedEnum.ETwo < m.UnscopedEnum.EOne)
assert not (2 < m.UnscopedEnum.EOne)
def test_scoped_enum():
assert m.test_scoped_enum(m.ScopedEnum.Three) == "ScopedEnum::Three"
z = m.ScopedEnum.Two
assert m.test_scoped_enum(z) == "ScopedEnum::Two"
# expected TypeError exceptions for scoped enum ==/!= int comparisons
with pytest.raises(TypeError):
assert z == 2
with pytest.raises(TypeError):
assert z != 3
# order
assert m.ScopedEnum.Two < m.ScopedEnum.Three
assert m.ScopedEnum.Three > m.ScopedEnum.Two
assert m.ScopedEnum.Two <= m.ScopedEnum.Three
assert m.ScopedEnum.Two <= m.ScopedEnum.Two
assert m.ScopedEnum.Two >= m.ScopedEnum.Two
assert m.ScopedEnum.Three >= m.ScopedEnum.Two
def test_implicit_conversion():
assert str(m.ClassWithUnscopedEnum.EMode.EFirstMode) == "EMode.EFirstMode"
assert str(m.ClassWithUnscopedEnum.EFirstMode) == "EMode.EFirstMode"
f = m.ClassWithUnscopedEnum.test_function
first = m.ClassWithUnscopedEnum.EFirstMode
second = m.ClassWithUnscopedEnum.ESecondMode
assert f(first) == 1
assert f(first) == f(first)
assert not f(first) != f(first)
assert f(first) != f(second)
assert not f(first) == f(second)
assert f(first) == int(f(first))
assert not f(first) != int(f(first))
assert f(first) != int(f(second))
assert not f(first) == int(f(second))
# noinspection PyDictCreation
x = {f(first): 1, f(second): 2}
x[f(first)] = 3
x[f(second)] = 4
# Hashing test
assert str(x) == "{EMode.EFirstMode: 3, EMode.ESecondMode: 4}"
def test_binary_operators():
assert int(m.Flags.Read) == 4
assert int(m.Flags.Write) == 2
assert int(m.Flags.Execute) == 1
assert int(m.Flags.Read | m.Flags.Write | m.Flags.Execute) == 7
assert int(m.Flags.Read | m.Flags.Write) == 6
assert int(m.Flags.Read | m.Flags.Execute) == 5
assert int(m.Flags.Write | m.Flags.Execute) == 3
assert int(m.Flags.Write | 1) == 3
state = m.Flags.Read | m.Flags.Write
assert (state & m.Flags.Read) != 0
assert (state & m.Flags.Write) != 0
assert (state & m.Flags.Execute) == 0
assert (state & 1) == 0
state2 = ~state
assert state2 == -7
assert int(state ^ state2) == -1
def test_enum_to_int():
m.test_enum_to_int(m.Flags.Read)
m.test_enum_to_int(m.ClassWithUnscopedEnum.EMode.EFirstMode)
m.test_enum_to_uint(m.Flags.Read)
m.test_enum_to_uint(m.ClassWithUnscopedEnum.EMode.EFirstMode)
m.test_enum_to_long_long(m.Flags.Read)
m.test_enum_to_long_long(m.ClassWithUnscopedEnum.EMode.EFirstMode)
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