public void SortAndReturnKthSmallestElements_IfKthNumberIsZero_ShouldReturnEmptyArray()
{
int[] array = new int[] { 2, 3, 14, 5, 12, 17, 15, 7, 8, 9, 11, 10, 1 };
var ksmallestNumbers = new KSmallestElements();
var actual = ksmallestNumbers.SortAndReturnKthSmallestElements(array, 0);
var expected = new int[0];
Assert.IsTrue(expected.SequenceEqual(actual));
}
public void SortAndReturnKthSmallestElements_IfKthNumberIsFive_ShouldReturnArrayOfSmallestFiveNumbers()
{
int[] array = new int[] { 2, 3, 14, 5, 12, 17, 15, 7, 8, 9, 11, 10, 1 };
var ksmallestNumbers = new KSmallestElements();
var actual = ksmallestNumbers.SortAndReturnKthSmallestElements(array, 5);
var expected = new int[5] {
1, 2, 3, 5, 7
};
Assert.IsTrue(expected.SequenceEqual(actual));
}