public void Day4_2()
{
var day4 = new Day4Solution();
Assert.AreEqual("cde", day4.Shift("abc", 2));
Assert.AreEqual("zab", day4.Shift("xyz", 2));
}
public void Day4()
{
var day4 = new Day4Solution();
Assert.True(day4.RoomIsDecoy("aaaaabbbzyx", "abxyz"));
Assert.True(day4.RoomIsDecoy("abcdefgh", "abcde"));
Assert.True(day4.RoomIsDecoy("notarealroom", "oarel"));
Assert.False(day4.RoomIsDecoy("totallyrealroom", "decoy"));
}