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from rpython.tool.descriptor import InstanceMethod
class X(object):
def f(self, *args, **kwds):
return args, kwds
def test_bound():
obj = X()
obj.x = 12
meth = InstanceMethod(X.f.im_func, obj, X)
assert meth(1, z=2) == ((1,), {'z': 2})
def test_unbound():
obj = X()
obj.x = 12
meth = InstanceMethod(X.f.im_func, None, X)
assert meth(obj, 1, z=2) == ((1,), {'z': 2})
def test_eq_hash():
obj1 = X()
obj1.x = 12
meth1 = InstanceMethod(X.f.im_func, obj1, X)
meth1bis = InstanceMethod(X.f.im_func, obj1, X)
obj2 = X()
obj2.x = 12
meth2 = InstanceMethod(X.f.im_func, obj2, X)
d = {meth1: 123, meth2: 456}
assert len(d) == 2
assert d[meth1bis] == 123
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