public void NullOrEmptyArray_Success()
{
int[] arr = null;
var sol = new KDiffPairsArray(arr, 1);
var result = sol.GetKDiffPairsCount();
Assert.AreEqual(0, result);
}
public void SecondArray_Success()
{
int[] arr = { 1, 2, 3, 4, 5 };
var sol = new KDiffPairsArray(arr, 1);
var result = sol.GetKDiffPairsCount();
Assert.AreEqual(4, result);
}
public void ThirdArray_Success()
{
int[] arr = { 1, 3, 1, 5, 4 };
var sol = new KDiffPairsArray(arr, 0);
var result = sol.GetKDiffPairsCount();
Assert.AreEqual(1, result);
}
public void FirstArray_Success()
{
int[] arr = { 3, 1, 4, 1, 5 };
var sol = new KDiffPairsArray(arr, 2);
var result = sol.GetKDiffPairsCount();
Assert.AreEqual(2, result);
}