public void EmptyString()
{
List <string> perms = DistinctPerms.GetPerms(string.Empty);
Assert.AreEqual(1, perms.Count);
Assert.AreEqual(string.Empty, perms[0]);
}
public void StringLengthFiveDups()
{
string s = "aabbc";
List <string> perms = DistinctPerms.GetPerms(s);
HashSet <string> set = new HashSet <string>(perms);
Assert.AreEqual(set.Count, perms.Count);
}
public void StringMoon()
{
string s = "moon";
List <string> perms = DistinctPerms.GetPerms(s);
HashSet <string> set = new HashSet <string>(perms);
Assert.AreEqual(set.Count, perms.Count);
Assert.AreEqual(set.Count, 12);
}
public void StringRadar()
{
string s = "radar";
List <string> perms = DistinctPerms.GetPerms(s);
HashSet <string> set = new HashSet <string>(perms);
Assert.AreEqual(set.Count, perms.Count);
Assert.AreEqual(set.Count, 30);
}
public void SingletonString()
{
string singleton = "a";
List <string> perms = DistinctPerms.GetPerms(singleton);
Assert.AreEqual(1, perms.Count);
Assert.AreEqual(singleton, perms[0]);
HashSet <string> set = new HashSet <string>(perms);
Assert.AreEqual(set.Count, perms.Count);
}
public void NullString()
{
Assert.IsNull(DistinctPerms.GetPerms(null));
}