#!/usr/bin/python
import number
from number import Number
import unittest

class TestBadNumbers(unittest.TestCase):
   def testErrors(self):
      self.assertRaises(number.NegativeNumberError, Number, -1)

class TestNumber(unittest.TestCase):
   """ These test cases were written by Brian Malloy, to test
       the Number class that does virtually nothing"""

   def setUp(self):
      self.number = Number(17)
      self.zero = Number(0)

   def testEqual(self):
      n = Number(17)
      self.assertEqual(self.number, n)

   def testNotEqual(self):
      n = Number(17)
      self.assertNotEqual(self.number, self.zero)

   def testOperators(self):
      for i in range(0,10):
         for j in range(0,10):
            self.assertEqual(Number(i) * Number(j), Number(i*j))

if __name__ == "__main__":
   unittest.main()