/// <summary>
/// Enqueues a method for exection inside the current ThreadPool and returns a <see cref="Task{TRes}"/> that represents queued operation
/// </summary>
/// <typeparam name="TState">Type of the user state object</typeparam>
/// <typeparam name="TRes">The type of the operation result</typeparam>
/// <param name="func">Representing the method to execute</param>
/// <param name="state">State object</param>
/// <returns>Created Task</returns>
/// <exception cref="ArgumentNullException">Func is null</exception>
public virtual Task <TRes> RunAsTask <TState, TRes>(Func <TState, TRes> func, TState state)
{
if (func == null)
{
throw new ArgumentNullException(nameof(func));
}
var item = new TaskFuncThreadPoolWorkItem <TState, TRes>(func, state);
AddWorkItem(item);
return(item.Task);
}
public void TestTaskFuncThreadPoolWorkItemExecute()
{
int wasExecuted = 0;
var item = new TaskFuncThreadPoolWorkItem <int>(() =>
{
Interlocked.Exchange(ref wasExecuted, 1);
return(2);
});
item.Run(false, true);
Assert.AreEqual(1, wasExecuted);
Assert.IsTrue(item.Task.IsCompleted);
Assert.AreEqual(2, item.Task.Result);
}
public void TestTaskFuncThreadPoolWorkItemWithParamExecute()
{
int wasExecuted = 0;
int stateVal = 0;
var item = new TaskFuncThreadPoolWorkItem <int, int>((state) =>
{
stateVal = state;
Interlocked.Exchange(ref wasExecuted, 1);
return(2);
}, 100);
item.Run(false, true);
Assert.AreEqual(1, wasExecuted);
Assert.AreEqual(100, stateVal);
Assert.IsTrue(item.Task.IsCompleted);
Assert.AreEqual(2, item.Task.Result);
}
