def test_one_even_number(self): self.assertEqual(even_fibonacci(2), 2)
def test_no_numbers(self): self.assertEqual(even_fibonacci(1), 0)
def test_project_euler_input(self): self.assertEqual(even_fibonacci(3999999), 4613732)
def test_numbers_smaller_than_400_billion_and_one(self): self.assertEqual(even_fibonacci(400000000001), 478361013020)
def test_two_even_numbers(self): self.assertEqual(even_fibonacci(8), 10)