public void FindById_ThreadExecutor_ShouldWorkCorrectly()
{
//Arrange
IScheduler executor = new ThreadExecutor();
Task task1 = new Task(5, 6, Priority.HIGH);
Task task2 = new Task(6, 2, Priority.LOW);
Task task3 = new Task(7, 4, Priority.LOW);
Task task4 = new Task(0, 56, Priority.EXTREME);
Task task5 = new Task(0, 56, Priority.EXTREME);
//Act
executor.Execute(task1);
executor.Execute(task2);
executor.Execute(task3);
executor.Execute(task4);
Task result1 = executor.GetById(5);
Task result2 = executor.GetById(6);
Task result3 = executor.GetById(7);
Task result4 = executor.GetById(0);
//Assert
Assert.AreSame(result1, task1);
Assert.AreSame(result2, task2);
Assert.AreSame(result3, task3);
Assert.AreSame(result4, task4);
Assert.AreNotSame(result4, task5);
}
public void Cycle_ThreadExecutor_ShouldWorkCorrectly()
{
//Arange
IScheduler executor = new ThreadExecutor();
Task task1 = new Task(5, 5, Priority.HIGH);
Task task2 = new Task(6, 5, Priority.LOW);
Task task3 = new Task(7, 12, Priority.MEDIUM);
Task task4 = new Task(12, 5, Priority.HIGH);
Task task5 = new Task(15, 3, Priority.LOW);
Task task6 = new Task(19, 2, Priority.LOW);
//Act
executor.Execute(task1);
executor.Execute(task2);
executor.Execute(task3);
executor.Execute(task4);
executor.Execute(task5);
executor.Execute(task6);
Assert.AreEqual(6, executor.Count);
executor.Cycle(3);
Assert.AreEqual(4, executor.Count);
Assert.Throws <ArgumentException>(() => executor.GetById(19));
Assert.Throws <ArgumentException>(() => executor.GetById(15));
executor.Cycle(5);
//Assert
Assert.AreEqual(1, executor.Count);
Task t = executor.GetByIndex(0);
Assert.AreSame(task3, t);
Assert.Throws <ArgumentOutOfRangeException>(() => executor.GetByIndex(1));
}
public void FindById_ThreadExecutor_ShouldWorkFast()
{
// Arrange
IScheduler executor = new ThreadExecutor();
const int count = 100000;
LinkedList <Task> tasks = new LinkedList <Task>();
for (int i = 0; i < count; i++)
{
tasks.AddLast(new Task(i + 1, i, Priority.HIGH));
executor.Execute(tasks.Last.Value);
}
// Act
Stopwatch sw = Stopwatch.StartNew();
LinkedListNode <Task> node = tasks.First;
while (node != null)
{
Assert.AreSame(node.Value, executor.GetById(node.Value.Id));
node = node.Next;
}
sw.Stop();
Assert.Less(sw.ElapsedMilliseconds, 250);
}
public void FindById_ThreadExecutor_OnNonExistingId_ShouldThrow()
{
//Arrange
IScheduler executor = new ThreadExecutor();
Task task1 = new Task(5, 6, Priority.HIGH);
Task task2 = new Task(6, 2, Priority.LOW);
Task task3 = new Task(7, 4, Priority.LOW);
Task task4 = new Task(0, 56, Priority.EXTREME);
Task task5 = new Task(0, 56, Priority.EXTREME);
//Act
executor.Execute(task1);
executor.Execute(task2);
executor.Execute(task3);
executor.Execute(task4);
//Assert
Assert.AreEqual(4, executor.Count);
Assert.Throws <ArgumentException>(() => executor.GetById(12));
}