def test_n_factorial_8(self):
     eq_(40320, n_factorial(8))
 def test_n_factorial_6(self):
     eq_(720, n_factorial(6))
 def test_n_factorial_7(self):
     eq_(5040, n_factorial(7))
 def test_n_factorial_4(self):
     eq_(24, n_factorial(4))
 def test_n_factorial_5(self):
     eq_(120, n_factorial(5))
 def test_n_factorial_3(self):
     eq_(6, n_factorial(3))
 def test_n_factorial_3(self):
     eq_(6, n_factorial(3))
 def test_n_factorial_9(self):
     eq_(362880, n_factorial(9))
 def test_n_factorial_1(self):
     eq_(1, n_factorial(1))
 def test_n_factorial_7(self):
     eq_(5040, n_factorial(7))
 def test_n_factorial_8(self):
     eq_(40320, n_factorial(8))
 def test_n_factorial_6(self):
     eq_(720, n_factorial(6))
 def test_n_factorial_5(self):
     eq_(120, n_factorial(5))
 def test_n_factorial_4(self):
     eq_(24, n_factorial(4))
 def test_n_factorial_9(self):
     eq_(362880, n_factorial(9))
 def test_n_factorial_2(self):
     eq_(2, n_factorial(2))
 def test_n_factorial_1(self):
     eq_(1, n_factorial(1))
 def test_n_factorial_2(self):
     eq_(2, n_factorial(2))