public void QuickSort_EmptyArray_ArgumentExceptionExpected()
{
// arrange
int[] testarr = { };
ArrayIntExtension.QuickSort(testarr);
}
public void QuickSort_NullArray_ArgumentNullExceptionExpected()
{
// arrange
int[] testarr = null;
ArrayIntExtension.QuickSort(testarr);
}
public void QuickSort_10PosAndNegNumbers_SortedExpected()
{
// arrange
int[] testarr = { 74, 23, 7, -7, 0, 1, 8 };
int[] expected = { -7, 0, 1, 7, 8, 23, 74 };
ArrayIntExtension.QuickSort(testarr);
// assert
CollectionAssert.AreEqual(expected, testarr);
}
public void QuickSort_5PosNumbers_SortedExpected()
{
// arrange
int[] testarr = { 4, 3, 2, 1, 0 };
int[] expected = { 0, 1, 2, 3, 4 };
// act
ArrayIntExtension.QuickSort(testarr);
// assert
CollectionAssert.AreEqual(expected, testarr);
}
public void QuickSort_10000Numbers_SortedExpected()
{
Random rand = new Random();
int[] testarr = new int[10000];
for (int i = 0; i < testarr.Length; i++)
{
testarr[i] = rand.Next(int.MinValue, int.MaxValue);
}
ArrayIntExtension.QuickSort(testarr);
Assert.IsTrue(IsSorted(testarr));
}
