import unittest

from tudelft.utilities.tools.enum import enumValues, enumToString,enum
from tudelft.utilities.tools.calc import truncate

class CalcTest(unittest.TestCase):

  def testNumbers(self):
    self.assertEqual(0, truncate(0,8))
    self.assertEqual(2, truncate(2,8))
    self.assertEqual(127, truncate(127,8))
    self.assertEqual(-128, truncate(128,8))
    self.assertEqual(-1, truncate(255,8))
    self.assertEqual(-1, truncate(-1,8))
    self.assertEqual(112, truncate(112,8))
    self.assertEqual(-127, truncate(-127,8))
    self.assertEqual(-128, truncate(-128,8))
    self.assertEqual(127, truncate(-129,8))
    
    self.assertEqual(32000, truncate(32000,16))
    self.assertEqual(32767, truncate(32767,16))
    self.assertEqual(-1, truncate(65535,16))
    self.assertEqual(-1, truncate(-1,16))