public void EmptyString()
{
List <string> perms = HeapAlgorithm.GetPerms(string.Empty);
Assert.AreEqual(1, perms.Count);
Assert.AreEqual(string.Empty, perms[0]);
}
public void StringLengthThree()
{
string s = "abc";
List <string> perms = HeapAlgorithm.GetPerms(s);
Assert.AreEqual(6, perms.Count);
//Assert.AreEqual(singleton, perms[0]);
}
public void SingletonString()
{
string singleton = "a";
List <string> perms = HeapAlgorithm.GetPerms(singleton);
Assert.AreEqual(1, perms.Count);
Assert.AreEqual(singleton, perms[0]);
}
public void NullString()
{
Assert.IsNull(HeapAlgorithm.GetPerms(null));
}