1import pytest
2
3
4def test_unscoped_enum():
5 from pybind11_tests import UnscopedEnum, EOne
6
7 assert str(UnscopedEnum.EOne) == "UnscopedEnum.EOne"
8 assert str(UnscopedEnum.ETwo) == "UnscopedEnum.ETwo"
9 assert str(EOne) == "UnscopedEnum.EOne"
10 # __members__ property
11 assert UnscopedEnum.__members__ == {"EOne": UnscopedEnum.EOne, "ETwo": UnscopedEnum.ETwo}
12 # __members__ readonly
13 with pytest.raises(AttributeError):
14 UnscopedEnum.__members__ = {}
15 # __members__ returns a copy
16 foo = UnscopedEnum.__members__
17 foo["bar"] = "baz"
18 assert UnscopedEnum.__members__ == {"EOne": UnscopedEnum.EOne, "ETwo": UnscopedEnum.ETwo}
19
20 # no TypeError exception for unscoped enum ==/!= int comparisons
21 y = UnscopedEnum.ETwo
22 assert y == 2
23 assert y != 3
24
25 assert int(UnscopedEnum.ETwo) == 2
26 assert str(UnscopedEnum(2)) == "UnscopedEnum.ETwo"
27
28 # order
29 assert UnscopedEnum.EOne < UnscopedEnum.ETwo
30 assert UnscopedEnum.EOne < 2
31 assert UnscopedEnum.ETwo > UnscopedEnum.EOne
32 assert UnscopedEnum.ETwo > 1
33 assert UnscopedEnum.ETwo <= 2
34 assert UnscopedEnum.ETwo >= 2
35 assert UnscopedEnum.EOne <= UnscopedEnum.ETwo
36 assert UnscopedEnum.EOne <= 2
37 assert UnscopedEnum.ETwo >= UnscopedEnum.EOne
38 assert UnscopedEnum.ETwo >= 1
39 assert not (UnscopedEnum.ETwo < UnscopedEnum.EOne)
40 assert not (2 < UnscopedEnum.EOne)
41
42
43def test_scoped_enum():
44 from pybind11_tests import ScopedEnum, test_scoped_enum
45
46 assert test_scoped_enum(ScopedEnum.Three) == "ScopedEnum::Three"
47 z = ScopedEnum.Two
48 assert test_scoped_enum(z) == "ScopedEnum::Two"
49
50 # expected TypeError exceptions for scoped enum ==/!= int comparisons
51 with pytest.raises(TypeError):
52 assert z == 2
53 with pytest.raises(TypeError):
54 assert z != 3
55
56 # order
57 assert ScopedEnum.Two < ScopedEnum.Three
58 assert ScopedEnum.Three > ScopedEnum.Two
59 assert ScopedEnum.Two <= ScopedEnum.Three
60 assert ScopedEnum.Two <= ScopedEnum.Two
61 assert ScopedEnum.Two >= ScopedEnum.Two
62 assert ScopedEnum.Three >= ScopedEnum.Two
63
64
65def test_implicit_conversion():
66 from pybind11_tests import ClassWithUnscopedEnum
67
68 assert str(ClassWithUnscopedEnum.EMode.EFirstMode) == "EMode.EFirstMode"
69 assert str(ClassWithUnscopedEnum.EFirstMode) == "EMode.EFirstMode"
70
71 f = ClassWithUnscopedEnum.test_function
72 first = ClassWithUnscopedEnum.EFirstMode
73 second = ClassWithUnscopedEnum.ESecondMode
74
75 assert f(first) == 1
76
77 assert f(first) == f(first)
78 assert not f(first) != f(first)
79
80 assert f(first) != f(second)
81 assert not f(first) == f(second)
82
83 assert f(first) == int(f(first))
84 assert not f(first) != int(f(first))
85
86 assert f(first) != int(f(second))
87 assert not f(first) == int(f(second))
88
89 # noinspection PyDictCreation
90 x = {f(first): 1, f(second): 2}
91 x[f(first)] = 3
92 x[f(second)] = 4
93 # Hashing test
94 assert str(x) == "{EMode.EFirstMode: 3, EMode.ESecondMode: 4}"
95
96
97def test_binary_operators():
98 from pybind11_tests import Flags
99
100 assert int(Flags.Read) == 4
101 assert int(Flags.Write) == 2
102 assert int(Flags.Execute) == 1
103 assert int(Flags.Read | Flags.Write | Flags.Execute) == 7
104 assert int(Flags.Read | Flags.Write) == 6
105 assert int(Flags.Read | Flags.Execute) == 5
106 assert int(Flags.Write | Flags.Execute) == 3
107 assert int(Flags.Write | 1) == 3
108
109 state = Flags.Read | Flags.Write
110 assert (state & Flags.Read) != 0
111 assert (state & Flags.Write) != 0
112 assert (state & Flags.Execute) == 0
113 assert (state & 1) == 0
114
115 state2 = ~state
116 assert state2 == -7
117 assert int(state ^ state2) == -1