public void testCadenaCaracterPos()
{
Cadena obj = new Cadena("HelloWorld!");
Assert.AreEqual(obj.extraerCaracterPos(5), 'o');
}
public void testCadenaUltimoCaracter()
{
Cadena obj = new Cadena("HelloWorld!");
Assert.AreEqual(obj.extraerUltimoCaracter(), '!');
}
public void testCadenaPrimerCaracter()
{
Cadena obj = new Cadena("HelloWorld!");
Assert.AreEqual(obj.extraerPrimerCaracter(), 'H');
}
