77 lines
1.7 KiB
Python
77 lines
1.7 KiB
Python
# tests basics of bound methods
|
|
|
|
# uPy and CPython differ when printing a bound method, so just print the type
|
|
print(type(repr([].append)))
|
|
|
|
|
|
class A:
|
|
def f(self):
|
|
return 0
|
|
|
|
def g(self, a):
|
|
return a
|
|
|
|
def h(self, a, b, c, d, e, f):
|
|
return a + b + c + d + e + f
|
|
|
|
|
|
# bound method with no extra args
|
|
m = A().f
|
|
print(m())
|
|
|
|
# bound method with 1 extra arg
|
|
m = A().g
|
|
print(m(1))
|
|
|
|
# bound method with lots of extra args
|
|
m = A().h
|
|
print(m(1, 2, 3, 4, 5, 6))
|
|
|
|
# can't assign attributes to a bound method
|
|
try:
|
|
A().f.x = 1
|
|
except AttributeError:
|
|
print("AttributeError")
|
|
|
|
print("--------")
|
|
|
|
# bound method comparison with same object
|
|
a = A()
|
|
m1 = a.f
|
|
m2 = a.f
|
|
print(m1 == a.f) # should result in True
|
|
print(m2 == a.f) # should result in True
|
|
print(m1 == m2) # should result in True
|
|
print(m1 != a.f) # should result in False
|
|
|
|
# bound method comparison with different objects
|
|
a1 = A()
|
|
a2 = A()
|
|
m1 = a1.f
|
|
m2 = a2.f
|
|
print(m1 == a2.f) # should result in False
|
|
print(m2 == a1.f) # should result in False
|
|
print(m1 != a2.f) # should result in True
|
|
|
|
# bound method comparison with non-bound-method objects
|
|
print(A().f == None) # should result in False
|
|
print(A().f != None) # should result in True
|
|
print(None == A().f) # should result in False
|
|
print(None != A().f) # should result in True
|
|
|
|
print("--------")
|
|
|
|
# bound method hashing
|
|
a = A()
|
|
m1 = a.f
|
|
m2 = a.f
|
|
print(hash(m1) == hash(a.f)) # should result in True
|
|
print(hash(m2) == hash(a.f)) # should result in True
|
|
print(hash(m1) == hash(m2)) # should result in True
|
|
print(hash(m1) != hash(a.g)) # should result in True
|
|
|
|
# bound method hashing with different objects
|
|
a2 = A()
|
|
m2 = a2.f
|
|
print(hash(m1) == hash(a2.f)) # should result in False
|