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import py, sys, psyco
def test_index():
if sys.version_info < (2, 5):
py.test.skip("for Python 2.5")
class X(object):
def __index__(self):
return -3
def f(x):
return (12, 23, 34, 45)[x]
res = psyco.proxy(f)(X())
assert res == 23
def test_index_slice():
if sys.version_info < (2, 5):
py.test.skip("for Python 2.5")
class Observer(object):
def __getslice__(self, i, j):
return "slice", i, j
def __getitem__(self, x):
raise Exception("in __getitem__")
class X(object):
def __index__(self):
return 5
class Y(object):
def __index__(self):
return -2
def f(o, x, y):
return o[x:y]
res = psyco.proxy(f)(Observer(), X(), Y())
assert res == ("slice", 5, -2)
def test_index_repeat():
if sys.version_info < (2, 5):
py.test.skip("for Python 2.5")
class X(object):
def __index__(self):
return 3
def f(x):
return (12, 23) * x
res = psyco.proxy(f)(X())
assert res == (12, 23, 12, 23, 12, 23)
def test_slice_overflow():
class X(object):
def __len__(self):
return sys.maxint
def __getslice__(self, i, j):
return i, j
def f(X):
return X()[-(2**100):2**100]
res = psyco.proxy(f)(X)
assert res == f(X)
def test_id():
def f(x):
return id(x)
obj = []
res = psyco.proxy(f)(obj)
assert res == id(obj)
def test_math_module():
import math
global _operation
for name in ["acos", "asin", "atan", "ceil", "cos", "cosh", "exp",
"fabs", "floor", "sin", "sinh", "sqrt", "tan", "tanh"]:
_operation = getattr(math, name)
def tester(a):
return _operation(a)
res = psyco.proxy(tester)(0.17)
assert abs(res - _operation(0.17)) < 1e6
def tester(a):
return _operation(*a)
res = psyco.proxy(tester)((0.71,))
assert abs(res - _operation(0.71)) < 1e6
for name in ["atan2", "fmod", "hypot", "pow"]:
_operation = getattr(math, name)
def tester(a, b):
return _operation(a, b)
res = psyco.proxy(tester)(0.17, 0.081)
assert abs(res - _operation(0.17, 0.081)) < 1e6
def tester(a):
return _operation(*a)
res = psyco.proxy(tester)((0.71, 0.2643))
assert abs(res - _operation(0.71, 0.2643)) < 1e6
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