def test_hash():
a = ClassTest(Object())
a.field = 17
b = ClassTest(Object())
b.field = 17
assert hash(a) == hash(b)
b.field = 18
assert hash(a) != hash(b)
def test_ptr():
c = ClassTest(Object())
o = Object()
assert c.ptr is None
c.ptr = o
print c.ptr
assert c.ptr is o
c.ptr = None
assert c.ptr is None
def test_ref():
c = ClassTest(Object())
assert isinstance(c.ref, Object)
o = Object()
c.ref = o
assert c.ref is o
try:
c.ref = None
assert False
except TypeError:
pass
def test_ptr2():
c = ClassTest(Object())
assert c.ptr2 is None
c.ptr2 = {}
assert isinstance(c.ptr2, dict)
c.ptr2 = None
assert c.ptr2 is None
def test_extra():
# Extra arguments should throw exceptions
try:
ClassTest(Object(), 4)
assert False
except TypeError:
pass
def test_weakref():
import weakref
c = ClassTest(Object())
r = weakref.ref(c)
assert r() is c
del c
assert r() is None
def test_prop():
c = ClassTest(Object())
assert c.prop == 17
c.data = 78
assert c.data == 78
try:
c.prop = 23
assert False
except AttributeError:
pass
def test_inherit():
class A(ClassTest):
def __init__(self, o, x):
d = self.__dict__
self.x = x
self.y = o
a = A(Object(), x=5)
assert a.x == 5
assert a.prop == 17
assert a.ref is a.y
def test_compare():
c = ClassTest2(17)
assert c == c
assert not c != c
try:
c < c
assert False
except TypeError:
pass
a = ClassTest(Object())
b = ClassTest(Object())
for i in 0, 1:
a.field = i
for j in 0, 1:
b.field = j
assert (a == b) == (a.field == b.field)
assert (a != b) == (a.field != b.field)
assert (a < b) == (a.field < b.field)
assert (a > b) == (a.field > b.field)
assert (a <= b) == (a.field <= b.field)
assert (a >= b) == (a.field >= b.field)
def test_attr():
c = ClassTest(Object())
assert c.attr == 8
c.attr = 9
assert c.attr == 9
try:
c.blah
assert False
except AttributeError:
pass
try:
c.blah = 0
assert False
except AttributeError:
pass
def test_methods():
c = ClassTest(Object())
assert c.normal(1) == 2
assert c.virtual_(2) == 6
assert c.static_(3) == 15
assert c(6) == 24
def test_ref2():
c = ClassTest(Object())
c.ref2 = {}
assert isinstance(c.ref2, dict)
c.ref2 = None
assert c.ref2 is None
def test_field():
c = ClassTest(Object())
c.field = 2
assert c.field == 2
assert c.static_const == 17