/// <summary>
/// Tos the chunks.
/// </summary>
/// <returns>The chunks.</returns>
/// <param name="array">Array.</param>
public static NSList <string> ToChunks(char[] array)
{
int i = 0;
int _ChunkSize = 2;
var tmp = new NSList <string>();
while (!(i == array.Length - 2 && _ChunkSize == 3))
{
//Console.WriteLine("Index: {0}, Length: {1}", i, _ChunkSize);
var _Chunk = array.SubArray(i, _ChunkSize);
tmp.Add(new string(_Chunk));
if (_ChunkSize == 2)
{
_ChunkSize = 3;
}
else
{
_ChunkSize = 2;
i++;
}
}
return(tmp);
}
public void EnumeratorTest()
{
// Testing with some easy cases like integers.
intList = new NSList <int> {
1, 2, 3, 4, 5
};
int expected = 1;
foreach (int number in intList)
{
Assert.AreEqual(expected, number);
expected++;
}
// Testing that the foreach can reach the objects inside the collection.
stringList = new NSList <string>()
{
"a", "b", "c", "d", "e"
};
var resList = new NSList <string>()
{
"A", "B", "C", "D", "E"
};
int i = 0;
foreach (string str in stringList)
{
Assert.AreEqual(resList[i], str.ToUpper());
i++;
}
}
public void ContainsTest()
{
// Checking thet when we add one nnumber the list contains and only contains that number.
intList.Add(1);
Assert.AreEqual(false, intList.Contains(item: -1));
Assert.AreEqual(false, intList.Contains(item: 0));
Assert.AreEqual(true, intList.Contains(item: 1));
Assert.AreEqual(false, intList.Contains(item: 2));
// Same for strings.
stringList.Add("a");
Assert.AreEqual(false, stringList.Contains(item: "A"));
Assert.AreEqual(false, stringList.Contains(item: "b"));
Assert.AreEqual(true, stringList.Contains(item: "a"));
Assert.AreEqual(false, stringList.Contains(item: "c"));
// Some performance test.
for (int i = 2; i < 10000; i++)
{
intList.Add(i);
Assert.AreEqual(true, intList.Contains(item: i));
}
// Checking that the stringList does not contains any null value.
Assert.AreEqual(false, stringList.Contains(item: null));
// Adding some strings to the stringList.
stringList.Add("b");
stringList.Add("c");
stringList.Add("d");
// Setting one of the values to null to test the contains with null.
stringList[2] = null;
Assert.AreEqual(true, stringList.Contains(item: null));
// Quick check of the indexOf.
Assert.AreEqual(2, stringList.IndexOf(item: null));
// Checking with non-primitive objects.
var peopleList = new NSList <RWPerson>();
// Creating some people.
var john = new RWPerson("John", 29);
var johnClone = new RWPerson("John", 29); // A clon of john.
var johnFather = new RWPerson("John", 64); // John's father.
var mary = new RWPerson("Mary", 36); // Ramdom person.
// Adding john to the list.
peopleList.Add(john);
// With the following assertions we're checking that the contains uses the default Equals or (if) the overrided one.
Assert.AreEqual(true, peopleList.Contains(john));
Assert.AreEqual(true, peopleList.Contains(johnClone));
Assert.AreEqual(true, peopleList.Contains(new RWPerson("John", 29)));
Assert.AreEqual(true, peopleList.Contains(new RWPerson("jOhN", 29)));
Assert.AreEqual(false, peopleList.Contains(johnFather));
Assert.AreEqual(false, peopleList.Contains(mary));
}
/// <summary>
/// Map the specified en and f.
/// </summary>
/// <returns>The map.</returns>
/// <param name="en">En.</param>
/// <param name="f">F.</param>
/// <typeparam name="T1">The 1st type parameter.</typeparam>
/// <typeparam name="T2">The 2nd type parameter.</typeparam>
public static IEnumerable <T2> Map <T1, T2>(this IEnumerable <T1> en, Func <T1, T2> f)
{
var temp = new NSList <T2>();
foreach (var e in en)
{
temp.Add(f(e));
}
return(temp);
}
/// <summary>
/// Filter the specified f and e.
/// </summary>
/// <returns>The filter.</returns>
/// <param name="f">F.</param>
/// <param name="e">E.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public static IEnumerable <T> Filter <T>(this IEnumerable <T> e, Predicate <T> f)
{
var temp = new NSList <T>();
foreach (var el in e)
{
if (f(el))
{
temp.Add(el);
}
}
return(temp);
}
/// <summary>
/// Inverse the specified en.
/// </summary>
/// <returns>The inverse.</returns>
/// <param name="en">En.</param>
/// <typeparam name="T">The 1st type parameter.</typeparam>
public static IEnumerable <T> Inverse <T>(this IEnumerable <T> en)
{
var inversed = new NSList <T>();
var stack = new Stack <T>();
Console.WriteLine("-- Slow version of the inverse executing --");
foreach (var el in en)
{
stack.Push(el);
}
foreach (var el in stack)
{
inversed.Add(el);
}
return(inversed);
}
public void InverseTest()
{
list = new NSList <int> {
1, 2, 3, 4
};
var expected = 4;
foreach (var el in list.Inverse())
{
Assert.AreEqual(expected, el);
expected--;
}
var result = new int[] { 0, 1, 2, 3, 4 };
expected = 4;
foreach (var el in result.Inverse())
{
Console.WriteLine(el);
Assert.AreEqual(expected, el);
expected--;
}
}
public void ContainsPerformanceTest()
{
list = new NSList <int>();
for (int i = 0; i < 100000; i++)
{
list.Add(i);
}
var StartTime = DateTime.Now;
for (int i = (100000 - 1); i >= 0; i--)
{
Assert.AreEqual(true, list.Contains(i));
}
list[0] = -222;
Assert.AreEqual(true, list.Contains(-222));
list.Remove(-222);
Assert.AreEqual(false, list.Contains(-222));
list[1] = 10;
Assert.AreEqual(1, list.IndexOf(10));
Console.WriteLine("Time to check that contains all 100000 elements: {0}", (DateTime.Now - StartTime).TotalSeconds);
}
public void AddTest()
{
// Checking that we begin the test with empty lists.
Assert.AreEqual(0, intList.Count);
Assert.AreEqual(0, stringList.Count);
// Testing the base case of adding one single element.
intList.Add(1);
Assert.AreEqual(1, intList.Count);
Assert.AreEqual(true, intList.Contains(1));
Assert.AreEqual(0, intList.IndexOf(1));
// Testing the base case of adding one single element that is a variable.
var t = 2;
intList.Add(t);
Assert.AreEqual(2, intList.Count);
Assert.AreEqual(true, intList.Contains(2));
Assert.AreEqual(1, intList.IndexOf(2));
Assert.AreEqual(true, intList.Contains(t));
Assert.AreEqual(1, intList.IndexOf(t));
// Testing the base case of adding a repeated element as fas a 1 already belongs to the intList.
intList.Add(1);
Assert.AreEqual(3, intList.Count);
Assert.AreEqual(true, intList.Contains(1));
Assert.AreEqual(0, intList.IndexOf(1));
// Same for strings but checking the nullable condition.
// Testing the base case of adding one single element.
stringList.Add("a");
Assert.AreEqual(1, stringList.Count);
Assert.AreEqual(true, stringList.Contains("a"));
Assert.AreEqual(0, stringList.IndexOf("a"));
// Testing the base case of adding one single element that is a variable.
var s = "b";
stringList.Add(s);
Assert.AreEqual(2, stringList.Count);
Assert.AreEqual(true, stringList.Contains(s));
Assert.AreEqual(1, stringList.IndexOf(s));
// Testing the base case for nullable objects of adding a null value to the list.
stringList.Add(null);
Assert.AreEqual(3, stringList.Count);
Assert.AreEqual(true, stringList.Contains(null));
Assert.AreEqual(2, stringList.IndexOf(null));
// Testing the base case of adding a repeated element as fas a 's' already belongs to the stringList.
stringList.Add(s);
Assert.AreEqual(4, stringList.Count);
Assert.AreEqual(true, stringList.Contains(s));
Assert.AreEqual(1, stringList.IndexOf(s));
// Testing for open lists that accept any kind of object.
var objectList = new NSList <object>();
// Adding an int to a object type list.
objectList.Add(1);
Assert.AreEqual(1, objectList.Count);
Assert.AreEqual(true, objectList.Contains(1));
Assert.AreEqual(0, objectList.IndexOf(1));
// Ading an string to an object type list that already contains an int.
objectList.Add("a");
Assert.AreEqual(2, objectList.Count);
Assert.AreEqual(true, objectList.Contains("a"));
Assert.AreEqual(1, objectList.IndexOf("a"));
// Adding a null value to an object list type.
objectList.Add(null);
Assert.AreEqual(3, objectList.Count);
Assert.AreEqual(true, objectList.Contains(null));
Assert.AreEqual(2, objectList.IndexOf(null));
// Adding a repeated element to an object list type. Notice that the repeated element it's also null.
objectList.Add(null);
Assert.AreEqual(4, objectList.Count);
Assert.AreEqual(true, objectList.Contains(null));
Assert.AreEqual(2, objectList.IndexOf(null));
// Clearing our list to some performance test.
intList.Clear();
stringList.Clear();
// Adding some values to our lists to check that can add multiple values with no problem.
for (int i = 0; i < 100000; i++)
{
intList.Add(i);
stringList.Add(RAWordGenerator.GenerateRandomWord());
Assert.AreEqual(i + 1, intList.Count);
Assert.AreEqual(i + 1, stringList.Count);
}
}
public void RemoveTest()
{
// Checking that we begin the test with empty lists.
Assert.AreEqual(0, intList.Count);
Assert.AreEqual(0, stringList.Count);
// Trying to remove an element that does not exists in the list.
Assert.AreEqual(false, intList.Remove(1));
// Adding a repeated element to the list {1, 1}
intList.Add(1);
intList.Add(1);
// Removing the first appearence of 1. And Checking that the second one passes to the index of the first one.
Assert.AreEqual(true, intList.Remove(1));
Assert.AreEqual(1, intList[0]);
Assert.AreEqual(1, intList.Count);
// Checking with non-primitive objects.
var peopleList = new NSList <RWPerson>();
// Creating some people.
var john = new RWPerson("John", 29);
var johnClone = new RWPerson("John", 29); // A clon of john.
var johnFather = new RWPerson("John", 64); // John's father.
var mary = new RWPerson("Mary", 36); // Ramdom person.
// Adding some people to the list.
peopleList.Add(john);
peopleList.Add(johnClone);
peopleList.Add(johnFather);
peopleList.Add(mary);
Assert.AreEqual(true, peopleList.Remove(johnClone));
// Notice that because of the equals of person and that the list contains a clone we can still check
// that the list contains john and jhonClone.
Assert.AreEqual(true, peopleList.Contains(johnClone));
Assert.AreEqual(true, peopleList.Contains(john));
// We have still one john in the list
Assert.AreEqual(true, peopleList.Remove(johnClone));
// No more jhons should be in the list.
Assert.AreEqual(false, peopleList.Remove(johnClone));
Assert.AreEqual(false, peopleList.Remove(john));
// Checking that we can also remove by using the equals of the object.
Assert.AreEqual(true, peopleList.Remove(new RWPerson("Mary", 36)));
// Clearing the list for some performance tests.
intList.Clear();
for (int i = 0; i < 1000; i++)
{
intList.Add(i);
}
Assert.AreEqual(1000, intList.Count);
for (int i = 999; i > -1; i--)
{
intList.Remove(i);
}
Assert.AreEqual(0, intList.Count);
intList.Add(321);
Assert.AreEqual(1, intList.Count);
Assert.AreEqual(true, intList.Contains(item: 321));
intList.Remove(321);
Assert.AreEqual(false, intList.Contains(item: 321));
}
public void BeforeEachTest()
{
list = new NSList <int>();
employees = RWEmployeeFactory.CreateEmployees(100);
}
public void BeforeTest()
{
list = new NSList <int>();
}
