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# 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
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