public void TestFindNextOccurranceNoNextOccurranceExists()
{
int[,] array = new int[5, 5];
Point?foundLocation = ArrayHelpers.FindNextOccurranceIn2DArray(array, 1, new Point(0, 0));
Assert.AreEqual(foundLocation == null, true);
}
public void TestFindNextOccurrance()
{
int[,] array = new int[5, 5];
array[4, 4] = 1;
Point?foundLocation = ArrayHelpers.FindNextOccurranceIn2DArray(array, 1, new Point(0, 0));
Assert.AreEqual(foundLocation?.X == 4 && foundLocation?.Y == 4, true);
}