def test__gcdn():
"""Test the _gcd2 function in samplefile"""
from electrolib.sources.samplefile import _gcdn, _gcd2
assert _gcdn(1) == 1
assert _gcdn(12, 8) == 4
assert _gcdn(7, 13, 5) == 1
assert _gcdn(10, 50, 105) == 5
for n in range(-10, 10):
assert _gcdn(n) == abs(n)
assert _gcdn(-n) == _gcdn(n)
for n in range(-10, 10):
for m in range(-10, 10):
assert _gcdn(n, m) == _gcd2(m, n)
for n in range(-10, 10):
for m in range(-10, 10):
for o in range(-10, 10):
assert _gcdn(n, m, o) == _gcdn(m, n, o) == _gcdn(n, o, m) ==\
_gcdn(m, o, n) == _gcdn(o, n, m) == _gcdn(o, m, n)
assert _gcdn( n, m, o) == _gcdn( n, m,-o) ==\
_gcdn( n,-m, o) == _gcdn( n,-m,-o) ==\
_gcdn(-n, m, o) == _gcdn(-n, m,-o) ==\
_gcdn(-n,-m, o) == _gcdn(-n,-m,-o)
if not all([n, m, o]):
assert n % _gcdn(n, m, o) == 0
elif not n:
assert _gcdn(n, m, o) == _gcdn(m, o)
elif not any([n, m, o]):
assert _gcdn(n, m, o) == 0
with py.test.raises(TypeError):
_gcdn()
def test__gcd2():
"""Test the _gcd2 function in samplefile"""
from electrolib.sources.samplefile import _gcd2
assert _gcd2(1, 1) == 1
assert _gcd2(12, 8) == 4
assert _gcd2(7, 13) == 1
for n in range(-10, 10):
for m in range(-10, 10):
assert _gcd2(n, m) == _gcd2(m, n)
assert _gcd2(n, m) == _gcd2(n, -m)
if n and m:
assert n % _gcd2(n, m) == 0
elif not n:
assert _gcd2(n, m) == abs(m)
elif not m:
assert _gcd2(n, m) == abs(n)
else:
assert _gcd2(n, m) == 0
with py.test.raises(TypeError):
_gcd2()
with py.test.raises(TypeError):
_gcd2(1)
with py.test.raises(TypeError):
_gcd2(1, 2, 3)
