'Ensure precision is preserved when casting floats into strings.'

def test_float_with_long_decimal_fraction(self):

    data = {u'points': [{u'measurement': u'test', u'fields': {u'float_val': 1.0000000000000009}}]}
    self.assertEqual(line_protocol.make_lines(data), u'test    float_val=1.0000000000000009\n')
