public void DifferetObjectIsReturnedForDifferentId()
{
// Arrange
Func <string, object> constructingFunc = _ => new object();
var factory = new UniqueFactory <string, object>(constructingFunc);
// Act
var instance1 = factory.GetOrCreateInstance("1");
var instance2 = factory.GetOrCreateInstance("2");
// Assert
Assert.AreNotEqual(instance1, instance2);
}
public void AllCreatedInstancesDoesNotStoreDuplicateObjects()
{
// Arrange
Func <string, object> constructingFunc = _ => new object();
var factory = new UniqueFactory <string, object>(constructingFunc);
// Act
var instance1 = factory.GetOrCreateInstance("1");
var instance2 = factory.GetOrCreateInstance("1");
var instance3 = factory.GetOrCreateInstance("3");
// Assert
Assert.AreEqual(factory.AllCreatedInstances.Count, 2);
}
public void CreatedInstanceExistsInAllCreatedInstances()
{
// Arrange
Func <string, object> constructingFunc = _ => new object();
var factory = new UniqueFactory <string, object>(constructingFunc);
// Act
var instance1 = factory.GetOrCreateInstance("1");
var instance2 = factory.GetOrCreateInstance("3");
// Assert
Assert.IsTrue(factory.AllCreatedInstances.Contains(instance1));
Assert.IsTrue(factory.AllCreatedInstances.Contains(instance2));
}
public void ConstructingFuncIsCalledOnceForSameId()
{
// Arrange
int constructingFuncCount = 0;
Func <string, object> constructingFunc = _ => { constructingFuncCount++; return(new object()); };
var factory = new UniqueFactory <string, object>(constructingFunc);
// Act
var instance1 = factory.GetOrCreateInstance("1");
var instance2 = factory.GetOrCreateInstance("1");
// Assert
Assert.IsNotNull(instance1);
Assert.IsNotNull(instance2);
Assert.AreEqual(constructingFuncCount, 1);
}
public void CallsConstructingFuncToGetOrCreateInstance()
{
// Arrange
bool hasCalledConstructingFunc = false;
Func <string, int> constructingFunc = _ => { hasCalledConstructingFunc = true; return(1); };
var factory = new UniqueFactory <string, int>(constructingFunc);
// Act
var instance = factory.GetOrCreateInstance("1");
// Assert
Assert.IsTrue(hasCalledConstructingFunc);
}
static void Main(string[] args)
{
using var inputProvider = new InputProvider <Bag?>("Input.txt", PraseBag);
var inputs = inputProvider.Where(w => w != null).Cast <Bag>().ToList();
var santasBag = bagFactory.GetOrCreateInstance("shiny gold bag");
int topLevelBags = inputs.Count(w => w.CanContainBag(santasBag));
Console.WriteLine($"Part 1: Bag can be contained by {topLevelBags} top level bags");
int bagCount = santasBag.ContainedBagsCount;
Console.WriteLine($"Part 2: Santas bag must contain {bagCount} bags");
}
private static int SimulateState(List <string> input)
{
grid = new UniqueFactory <string, Cell>(coordinates => new Cell(coordinates));
int y = 0;
foreach (var row in input)
{
for (int x = 0; x < row.Length; x++)
{
var key = Cell.FormatCoordinates(x, y, 0, 0);
var cell = grid.GetOrCreateInstance(key);
cell.Active = row[x] == '#';
}
y++;
}
for (int generation = 0; generation < 6; generation++)
{
foreach (var cell in grid.AllCreatedInstances)
{
cell.EnsureNeighborsExist();
}
foreach (var cell in grid.AllCreatedInstances)
{
cell.Evaluate();
}
foreach (var cell in grid.AllCreatedInstances)
{
cell.Update();
}
}
var activeCount = grid.AllCreatedInstances.Count(w => w.Active);
return(activeCount);
}