public void Length_Nothing_OkAndData()
{
// Arrange
_mockService
.Setup(s => s.GetFibonacciSequenceWithLength(10))
.Returns(new int[] { 0, 1, 1, 2, 3, 5, 8, 13, 21, 34 });
// Act
var response = _controller.Length();
// Assert
OkObjectResult okObjectResult = Assert.IsType <OkObjectResult>(response.Result);
Assert.Equal(200, okObjectResult.StatusCode);
FibonacciResult result = Assert.IsType <FibonacciResult>(okObjectResult.Value);
Assert.False(result.HasError);
}
