public void IndexOfTest()
{
int expectedValue = 2;
AnArrayList <int> arrayList = InitArrayList();
var index = arrayList.IndexOf(3);
Assert.AreEqual(index, expectedValue);
}
public void ClearTest()
{
int expectedValue = 0;
AnArrayList <int> arrayList = InitArrayList();
// Clear the array
arrayList.Clear();
Assert.AreEqual(arrayList.Count, expectedValue);
}
/// <summary>
/// Initializes an ArrayList<int></int>
/// </summary>
/// <returns></returns>
private AnArrayList <int> InitArrayList()
{
AnArrayList <int> result = new AnArrayList <int>();
result.Add(1);
result.Add(2);
result.Add(3);
result.Add(4);
return(result);
}
public void Copy_To_Test()
{
int[] array = new int[5];
AnArrayList <int> arrayList = InitArrayList();
arrayList.CopyTo(array, 0);
Assert.IsTrue(array[0] == 1);
Assert.IsTrue(array[1] == 2);
Assert.IsTrue(array[2] == 3);
Assert.IsTrue(array[3] == 4);
}
public void Remove_Specific_Value_Test()
{
int expectedValue = 4;
int expectedLength = 3;
AnArrayList <int> arrayList = InitArrayList();
// Remove the 3 from the array
arrayList.Remove(3);
// The last item should be 4 and the array count should be 3
Assert.AreEqual(arrayList[arrayList.Count - 1], expectedValue);
Assert.AreEqual(arrayList.Count, expectedLength);
}
public void Remove_First_Item_From_Array_Test()
{
int expectedValue = 4;
int expectedLength = 3;
AnArrayList <int> arrayList = InitArrayList();
// Remove the last item in the array
arrayList.RemoveAt(0);
// The last item should be 3 and the array count should be 3
Assert.AreEqual(arrayList[arrayList.Count - 1], expectedValue);
Assert.AreEqual(arrayList.Count, expectedLength);
}
public void Insert_Item_Test()
{
int expectedValue = 5;
int expectedIndex = 2;
int expectedLength = 5;
AnArrayList <int> arrayList = InitArrayList();
// Insert a 5 at index 2
arrayList.Insert(2, 5);
Assert.AreEqual(arrayList[expectedIndex], expectedValue);
Assert.AreEqual(arrayList.Count, expectedLength);
}
