public void Q02Permutation()
{
var q = new Question02();
Assert.IsTrue(q.ArePermutations("", ""));
Assert.IsTrue(q.ArePermutations("ab", "ba"));
Assert.IsTrue(q.ArePermutations("dog", "god"));
Assert.IsFalse(q.ArePermutations("ab", "bb"));
Assert.IsFalse(q.ArePermutations("a", ""));
}
public void Question02ShouldThrowArgumentException()
{
var linkedList = new LinkedList <int>();
linkedList.AppendToTail(1);
linkedList.AppendToTail(2);
linkedList.AppendToTail(3);
linkedList.AppendToTail(4);
linkedList.AppendToTail(5);
Assert.Throws <ArgumentException>(
() => (Question02 <int> .GetNthToLastElement(linkedList, 6))
);
}
public void Question02ShouldGetNthToLastElement()
{
var linkedList = new LinkedList <int>();
linkedList.AppendToTail(1);
linkedList.AppendToTail(2);
linkedList.AppendToTail(3);
linkedList.AppendToTail(4);
linkedList.AppendToTail(5);
Node <int> expected = linkedList.Head.Next.Next.Next; // 4
Node <int> actual = Question02 <int> .GetNthToLastElement(linkedList, 2);
Assert.Equal(expected, actual);
}
public void Question02ShouldFindPalindromes()
{
string input = "Test! aabbaa ccc";
var expected = new List <string>();
int expectedSize = 2;
string expected1 = " aabbaa ";
string expected2 = "ccc";
expected.Add(expected1);
expected.Add(expected2);
List <string> actual = Question02.FindPalindromes(input);
Assert.Equal(expectedSize, actual.Count);
Assert.Contains(expected1, actual);
Assert.Contains(expected2, actual);
}
public void Question02ShouldReverseAString()
{
Assert.Equal("dcba", Question02.Reverse("abcd"));
}
