public void AddToTest(int[] array, int idx, int value, int[] expectedArray)
{
DataStructure.ArrayList actual = new DataStructure.ArrayList(array);
actual.AddTo(idx, value);
DataStructure.ArrayList expected = new DataStructure.ArrayList(expectedArray);
Assert.AreEqual(expected, actual);
}
public void AddToNegativeTest(int[] array, int idx, int value)
{
DataStructure.ArrayList actual = new DataStructure.ArrayList(array);
Assert.Throws <IndexOutOfRangeException>(() => actual.AddTo(idx, value));
}