public void Test4()
{
string[] expected = new string[] { "" };
int[] input = new int[] { 1 };
var actual = Class28.PrintCombos(input);
Assert.Equal(expected, actual);
}
public void Test2()
{
string[] expected = new string[] { "ad", "ae", "af", "bd", "be", "bf", "cd", "ce", "cf" };
int[] input = new int[] { 2, 3 };
var actual = Class28.PrintCombos(input);
Assert.Equal(expected, actual);
}