class test_positive(object):
'''
Test for the positive function in run_trim. Because it's hard
(impossible?) to exactly match two floats we look at the detla.
'''
def __init__(self):
#self.input_array = N.resize(range(-99,1),(10,10))
self.input_array = N.array([-1,0])
self.PNGCreator = PNGCreator(self.input_array)
def positive_test(self):
self.PNGCreator.positive()
result = self.PNGCreator.data
expected = N.array([0,1]) + 0.0001
difference = round(abs(N.sum(result - expected)))
assert difference == 0, 'positive is not working.'
def __init__(self):
#self.input_array = N.resize(range(-99,1),(10,10))
self.input_array = N.array([-1,0])
self.PNGCreator = PNGCreator(self.input_array)
