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# test builtin property combined with inheritance
try:
property
except:
print("SKIP")
raise SystemExit
# test property in a base class works for derived classes
class A:
@property
def x(self):
print('A x')
return 123
class B(A):
pass
class C(B):
pass
class D:
pass
class E(C, D):
pass
print(A().x)
print(B().x)
print(C().x)
print(E().x)
# test that we can add a property to base class after creation
class F:
pass
F.foo = property(lambda self: print('foo get'))
class G(F):
pass
F().foo
G().foo
# should be able to add a property to already-subclassed class because it already has one
F.bar = property(lambda self: print('bar get'))
F().bar
G().bar
# test case where class (H here) is already subclassed before adding attributes
class H:
pass
class I(H):
pass
# should be able to add a normal member to already-subclassed class
H.val = 2
print(I().val)
# should be able to add a property to the derived class
I.baz = property(lambda self: print('baz get'))
I().baz
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