def test_from_base(self):
"""Test basecalc from_base()."""
calc = BaseCalc('bin')
self.assertEquals(calc.from_base('1101'), 13)
self.assertEquals(calc.from_base('001101'), 13)
calc.digits('hex')
self.assertEquals(calc.from_base('-11'), -17)
self.assertEquals(calc.from_base('-11.05'), -17.01953125)
calc.digits(tuple(range(7)))
self.assertEquals(calc.from_base('0.1'), 1.0/7)
calc.digits('bin')
b1 = calc.from_base('1110111')
b2 = calc.from_base('1010110')
n3 = calc.to_base(b1 * b2)
self.assertEquals(n3, '10011111111010')
calc.digits('abc', digit_type=str)
self.assertEquals(calc.from_base('-bba'), -12)
calc.digits('ab-', digit_type=str)
self.assertEquals(calc.from_base('-bba'), 2*27+9+3)
def test_large_numbers(self):
"""Test large numbers."""
calc = BaseCalc('hex')
large_number = 2 ** 30 + 5
b = calc.to_base(large_number)
n = calc.from_base(b)
self.assertEquals(n, large_number)