def test_positives(self):
     result = Multiplicador.multiplica(self, 12345, 98765)
     self.assertEqual(result[0], 12345 * 98765)
 def test_error(self):
     with self.assertRaises(ValueError):
         Multiplicador.multiplica(self, -1.2345, 'ads')
 def test_zero(self):
     result = Multiplicador.multiplica(self, -1.2345, 0)
     self.assertEqual(result[0], -1.2345 * 0)
 def test_decimal2(self):
     result = Multiplicador.multiplica(self, -1.2345, -0.98765)
     self.assertEqual(result[0], -1.2345 * -0.98765)
 def test_decimal1(self):
     result = Multiplicador.multiplica(self, -123.45, -98765)
     self.assertEqual(result[0], -123.45 * -98765)
 def test_negative(self):
     result = Multiplicador.multiplica(self, -12345, -98765)
     self.assertEqual(result[0], -12345 * -98765)