def test_enum_bool(self):
from Merlin.Testing.BaseClass import EmptyEnum
from Merlin.Testing.TypeSample import EnumByte, EnumSByte, EnumUInt16, EnumInt16, EnumUInt32, EnumInt32, EnumUInt64, EnumInt64
#An empty enumeration
self.assertTrue(not bool(EmptyEnum()))
#__nonzero__
o = EnumInt32()
self.assertTrue(not o.A.__nonzero__())
self.assertTrue(o.B.__nonzero__())
for enum_type in [
EnumByte,
EnumSByte,
EnumUInt16,
EnumInt16,
EnumUInt32,
EnumInt32,
EnumUInt64,
EnumInt64,
]:
self.assertTrue(not bool(enum_type().A))
self.assertTrue(not bool(enum_type.A))
self.assertTrue(bool(enum_type().B))
self.assertTrue(bool(enum_type.B))
self.assertTrue(bool(enum_type().C))
self.assertTrue(bool(enum_type.C))
self.assertTrue(enum_type)
self.assertTrue(not bool(enum_type()))
def test_get_set(self):
from Merlin.Testing.TypeSample import EnumInt32
o = EnumInt32()
self.assertEqual(o.A, EnumInt32.A)
desc = EnumInt32.__dict__['B']
self.assertEqual(EnumInt32.B, desc)
def f():
o.A = 10
self.assertRaisesRegex(
AttributeError, "attribute 'A' of 'EnumInt32' object is read-only",
f)
def f():
EnumInt32.B = 10
self.assertRaisesRegex(
AttributeError, "attribute 'B' of 'EnumInt32' object is read-only",
f)
def f():
EnumInt32.B = EnumInt32.A
self.assertRaisesRegex(
AttributeError, "attribute 'B' of 'EnumInt32' object is read-only",
f)