public void TestIncert_ShouldThrowIndexOutOfRangeException()
{
// arrange
int[] arr = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
IndexArray <int> index_array = new IndexArray <int>(3, arr);
// act and assert
Assert.Throws <IndexOutOfRangeException>(() => index_array.Insert(14, 5));
}
public void TestIncert()
{
// arrange
int[] arr = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int[] expected = new int[] { 1, 2, 3, 4, 5, 6, 100, 7, 8, 9 };
IndexArray <int> index_array = new IndexArray <int>(-3, arr);
// act
index_array.Insert(2, 100);
// assert
Assert.Equal(expected, index_array);
}