public void TaskUtilitiesTests_RunConcurrentlyTest()
{
using (var verify = new Verify())
{
Sleeper(verify).RunConcurrently();
}
}
public async Task TaskUtilitiesTests_ForEachAsync_ListT_2()
{
using (var verify = new Verify())
{
var items = Enumerable.Range(0, 10).ToList();
await items.ForEachAsync(i => NumericSleeperManualStart(verify, i));
}
}
public async Task TaskUtilitiesTests_ForEachAsync_ListAction_2()
{
using (var verify = new Verify())
{
var actions = new List<Func<Task>>();
actions.Add(() => SleeperManualStart(verify));
actions.Add(() => SleeperManualStart(verify));
actions.Add(() => SleeperManualStart(verify));
actions.Add(() => SleeperManualStart(verify));
actions.Add(() => SleeperManualStart(verify));
await actions.ForEachAsync();
}
}
public void RandomExtended_Choose()
{
using (var verify = new Verify())
{
var rand = new RandomExtended(0);
var source = new List<int>();
for (int i = 100; i < 200; i++)
source.Add(i);
for (int i = 0; i < 100; i++)
{
var item = rand.Choose(source);
verify.IsBetween(100, item, 199, "Item couldn't be in the sourse list");
verify.IsTrue(source.Contains(item), "Item should have been left in the list");
}
}
}
public void RandomExtended_Choose3()
{
using (var verify = new Verify())
{
var rand = new RandomExtended(0);
var source = new List<int>();
for (int i = 100; i < 200; i++)
source.Add(i);
for (int i = 0; i < 100; i += 10)
{
var items = rand.Choose(source, 10, false);
foreach (var item in items)
{
verify.IsBetween(100, item, 199, "Item couldn't be in the source list");
verify.IsTrue(source.Contains(item), "Item should have been left in the list");
}
var distinct = items.Distinct().Count();
verify.AreEqual(items.Count, distinct, "There shouldn't have been any duplicates");
}
}
}
public void TaskUtilitiesTests_AutoCancelingTaskTest2()
{
using (var verify = new Verify())
{
var timer = Stopwatch.StartNew();
var t = TaskUtilities.AutoCancelingTask(1000);
Memory.CycleGC();
var result = t.WaitForCompleteOrCancel();
timer.Stop();
verify.IsFalse(result, "WaitForCompleteOrCancel should have returned false");
verify.IsTrue(t.IsCanceled, "Task should have been canceled.");
verify.AreEqual(1.0, timer.Elapsed.TotalSeconds, 0.05, "Elapsed time was incorrect.");
}
}
public async Task TaskUtilitiesTests_WhenAllCancelTest2()
{
using (var verify = new Verify())
{
try
{
var tcs1 = new TaskCompletionSource<object>();
var tcs2 = new TaskCompletionSource<object>();
var task1 = tcs1.Task;
var task2 = tcs2.Task;
var list = new List<Task>() { task1, task2 };
using (var cs = new CancellationTokenSource(100))
{
var ct = cs.Token;
await list.WhenAll(ct);
}
verify.Fail("Error expected");
}
catch (OperationCanceledException)
{
//Sucess
}
}
}
public async Task TaskUtilitiesTests_WhenAllCancelTest1()
{
using (var verify = new Verify())
{
var task1 = Task.Delay(TimeSpan.FromMilliseconds(100));
var task2 = Task.Delay(TimeSpan.FromMilliseconds(125));
var task3 = Task.Delay(TimeSpan.FromMilliseconds(150));
var list = new List<Task>() { task1, task2, task3 };
using (var cs = new CancellationTokenSource())
{
var ct = cs.Token;
await list.WhenAll(ct);
}
verify.IsTrueForAll(list, t => t.IsCompleted, "All tasks should have been completed.");
}
}
public void RandomExtended_Pick2()
{
using (var verify = new Verify())
{
var rand = new RandomExtended(0);
var source = new List<int>();
for (int i = 100; i < 200; i++)
source.Add(i);
for (int i = 0; i < 100; i += 10)
{
var items = rand.Pick(source, 10);
foreach (var item in items)
{
verify.IsBetween(100, item, 199, "Item couldn't be in the source list");
verify.IsFalse(source.Contains(item), "Item should have been removed from list");
}
}
Assert.AreEqual(0, source.Count, "List should have been left empty");
}
}
static async Task Sleeper(Verify verify)
{
verify.WriteLine("Before");
await Task.Delay(1000);
verify.WriteLine("After");
}
public void TaskUtilitiesTests_RunConcurrently()
{
using (var verify = new Verify())
{
var task = new Task(() => Thread.Sleep(100));
task.RunConcurrently();
}
}
static Task NumericSleeperManualStart(Verify verify, int i)
{
return new Task(() =>
{
verify.WriteLine("Before " + i);
Thread.Sleep(1000);
verify.WriteLine("After " + i);
});
}
static Task SleeperManualStart(Verify verify)
{
return new Task(() =>
{
verify.WriteLine("Before");
Thread.Sleep(1000);
verify.WriteLine("After");
});
}
static async Task NumericSleeper(Verify verify, int i)
{
verify.WriteLine("Before " + i);
await Task.Delay(1000);
verify.WriteLine("After " + i);
}
public void RandomExtended_DateTime()
{
using (var verify = new Verify())
{
var rand = new RandomExtended(0);
var minValue = new DateTime(2001, 1, 1);
var maxValue = new DateTime(2010, 12, 31);
for (int i = 0; i < LoopLimit; i++)
{
var result = rand.NextDateTime(minValue, maxValue);
verify.IsBetween(minValue, result, maxValue, "random result not within expected range");
}
}
}
public async Task TaskUtilitiesTests_WhenAnyTest1()
{
using (var verify = new Verify())
{
var list = new List<Task> { Sleeper(verify), Sleeper(verify), Sleeper(verify) };
await list.WhenAny();
}
}
public async Task TaskUtilitiesTests_AutoCompletingTaskTest2()
{
using (var verify = new Verify())
{
var timer = Stopwatch.StartNew();
var task = TaskUtilities.AutoCompletingTask(123, 1000);
Memory.CycleGC();
var result = await task;
timer.Stop();
verify.AreEqual(123, result, "Task result was wrong");
verify.AreEqual(1.0, timer.Elapsed.TotalSeconds, 0.05, "Delay was incorrect");
}
}
public void TaskUtilitiesTests_WaitForCancelTest1()
{
using (var verify = new Verify())
{
var task = Sleeper(verify);
task.RunConcurrently();
var result = task.WaitForCompleteOrCancel();
verify.AreEqual(TaskStatus.RanToCompletion, task.Status, "The task should have been completed");
verify.IsTrue(result, "Assertion should be true because the task was completed");
}
}
public void TaskUtilitiesTests_WaitForCancelTest2()
{
using (var verify = new Verify())
{
var cts = new CancellationTokenSource(500);
var task = LongSleeper(verify, cts.Token);
task.RunConcurrently();
var result = task.WaitForCompleteOrCancel();
verify.AreEqual(TaskStatus.Canceled, task.Status, "The task should have been canceled");
verify.IsFalse(result, "Assertion should be false because the task was canceled");
}
}
public async Task TaskUtilitiesTests_WhenAnyCancelTest1()
{
using (var verify = new Verify())
{
var tcs1 = new TaskCompletionSource<object>();
var tcs2 = new TaskCompletionSource<object>();
var task1 = tcs1.Task;
var task2 = tcs2.Task;
var task3 = Task.Delay(TimeSpan.FromMilliseconds(100));
var list = new List<Task>() { task1, task2, task3 };
using (var cs = new CancellationTokenSource())
{
var ct = cs.Token;
await list.WhenAny(ct);
}
}
}
static async Task LongSleeper(Verify verify, CancellationToken token)
{
verify.WriteLine("Before");
for (var i = 0; i < 10; i++)
{
await Task.Delay(1000);
token.ThrowIfCancellationRequested();
}
verify.WriteLine("After");
}
public void RandomExtended_Long()
{
using (var verify = new Verify())
{
var rand = new RandomExtended(0);
var minValue = 1L;
var maxValue = 100L;
for (int i = 0; i < LoopLimit; i++)
{
var result = rand.NextInt64(minValue, maxValue);
verify.IsBetween(minValue, result, maxValue, "random result not within expected range");
}
}
}
