public void GetNumberOfSequence_ShouldСorrectly(int index, int expected)
{
var sequence = new FibonacciSequence.FibonacciSequence();
var actual = sequence[index];
Assert.Equal(expected, actual);
}
public void GetNumberOfSequence_IncorrectIndex_ShouldFail(int index)
{
var sequence = new FibonacciSequence.FibonacciSequence();
Assert.Throws <IndexOutOfRangeException>(() => sequence[index]);
}
