public async Task TestThrottledDebounce2()
{
int counter = 0;
EventHandler <int> action = (_, myIntParam) => {
Log.d("myIntParam=" + myIntParam);
Interlocked.Increment(ref counter);
};
var throttledAction = action.AsThrottledDebounce(delayInMs: 5);
var tasks = new List <Task>();
for (int i = 0; i < 100; i++) // Do 100 calls of the method in parallel:
{
var myIntParam = i;
tasks.Add(TaskV2.Run(() => { throttledAction(this, myIntParam); }));
}
await Task.WhenAll(tasks.ToArray());
for (int i = 0; i < 20; i++)
{
await TaskV2.Delay(30);
if (counter >= 2)
{
break;
}
}
Assert.Equal(2, counter);
await TaskV2.Delay(100);
Assert.Equal(2, counter);
}
private static async Task TestErrorDetectionWithMultipleThreads(Func <Task> newErrorTask)
{
var d = new MyDisposable();
using (d) {
Task t1 = TaskV2.Run(newErrorTask);
Task t2 = null, t3 = null;
try {
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
t2 = TaskV2.Run(newErrorTask);
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
t3 = TaskV2.Run(newErrorTask);
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
await Task.WhenAll(t1, t2, t3);
} catch (Exception) {
Assert.True(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
}
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
Assert.True(t1.IsCompleted);
Assert.True(t2.IsCompleted);
Assert.True(t3.IsCompleted);
Assert.True(t1.IsFaulted);
Assert.True(t2.IsFaulted);
Assert.True(t3.IsFaulted);
}
Assert.False(d.DEBUG_ThrownExceptionDetectedInCurrentContext());
Assert.False(d.exceptionWasDetected);
}
public async Task ExampleUsage1()
{
Log.d("Now testing TaskV2.Run");
await TaskV2.Run(() => {
var t = Log.MethodEntered("1");
TaskV2.Delay(100).ContinueWithSameContext(delegate {
Log.MethodDone(t);
});
});
Log.d("Now testing async TaskV2.Run");
await TaskV2.Run(async() => {
var t = Log.MethodEntered("2");
await TaskV2.Delay(100);
Log.MethodDone(t);
});
Log.d("Now testing async TaskV2.Run with return value");
var result = await TaskV2.Run(async() => {
var t = Log.MethodEntered("3");
await TaskV2.Delay(100);
Log.MethodDone(t);
return("3");
});
Assert.Equal("3", result);
}
public void TestTemporaryContext1()
{
var IoC_inject = GetInjectorForTest();
Assert.Null(IoC_inject.Get <MyClass1>(this));
for (int i = 0; i < 100; i++)
{
TaskV2.Run(() => {
var myContextInstance1 = new MyClass1();
IoC_inject.DoWithTempContext <MyClass1>(myContextInstance1, () => {
Assert.Equal(myContextInstance1, IoC_inject.Get <MyClass1>(this));
});
// when the temporary context is gone requesting an injection returns null again:
Assert.Null(IoC_inject.Get <MyClass1>(this));
var myContextInstance2 = new MyClass1();
var testUser = new MyUserClass1();
IoC_inject.DoWithTempContext <MyClass1>(myContextInstance2, () => {
IoC_inject.DoWithTempContext <MyUserClass1>(testUser, () => {
Assert.Equal(myContextInstance2, IoC_inject.Get <MyClass1>(this));
Assert.Equal(testUser, IoC_inject.Get <MyUserClass1>(this));
});
});
// when the temporary context is gone requesting an injection returns null again:
Assert.Null(IoC_inject.Get <MyClass1>(this));
Assert.Null(IoC_inject.Get <MyUserClass1>(this));
});
}
}
public async Task TestEventListeners()
{
using (ProgressV2 progress = new ProgressV2("p3", 200)) {
var progressEventTriggered = false;
progress.ProgressChanged += (o, newValue) => {
Log.e(JsonWriter.AsPrettyString(o));
Assert.Equal(100, newValue);
progressEventTriggered = true;
};
await TaskV2.Run(() => {
((IProgress <double>)progress).Report(100);
Assert.False(progressEventTriggered);
Assert.Equal(100, progress.GetCount());
Assert.Equal(50, progress.percent);
});
Assert.Equal(100, progress.GetCount());
Assert.Equal(50, progress.percent);
// The progress callback is dispatched using the SynchronizationContext
// of the constructor, so it will have some delay before being called:
Assert.False(progressEventTriggered);
await TaskV2.Delay(50); // Wait for progress update to be invoked
Assert.True(progressEventTriggered);
}
}
public IEnumerator TestThrowsAsyncPart1()
{
yield return(Assert.ThrowsAsync <FormatException>(async() => {
await TaskV2.Delay(10);
throw new FormatException();
}).AsCoroutine());
yield return(TaskV2.Run(TestThrowsAsyncPart2).AsCoroutine());
}
private static Task <ImageResult> ToImageResult(byte[] bytes)
{
return(TaskV2.Run(() => {
var stream = new MemoryStream(bytes);
var image = ImageResult.FromStream(stream, ColorComponents.RedGreenBlueAlpha);
stream.Dispose();
Conversion.stbi__vertical_flip(image.Data, image.Width, image.Height, 4);
return Task.FromResult(image);
}));
}
private static async Task CreateAndRunATaskThatFails()
{
Task myFailedTask = null;
await Assert.ThrowsAsync <AggregateException>(async() => {
myFailedTask = TaskV2.Run(() => { throw new Exception("Some error"); });
await myFailedTask;
Assert.True(myFailedTask.IsFaulted);
Assert.True(myFailedTask.IsCompleted);
});
Assert.NotNull(myFailedTask);
Assert.NotNull(myFailedTask.Exception);
}
public async Task TestRunWithTaskScheduler1() // Aligned with the coroutine test TestExecuteRepeated1
{
QueuedTaskScheduler scheduler = new QueuedTaskScheduler(TaskScheduler.Default, maxConcurrencyLevel: 1);
var cancel = new CancellationTokenSource();
// Create both tasks at the same time:
Task t1 = TaskV2.Run(SomeAsyncTask1, cancel, scheduler);
Task <string> t2 = TaskV2.Run(SomeAsyncTask2, cancel, scheduler);
Assert.Equal(1, scheduler.GetRemainingScheduledTaskCount()); // 1 task started and 1 waiting
Assert.Equal("Some string result", await t2);
Assert.Equal(0, scheduler.GetRemainingScheduledTaskCount());
// Since the scheduler allows only one task at a time, if t2 is done, t1 also must be completed:
Assert.True(t1.IsCompleted);
}
public async Task TestRunWithTaskScheduler2() // Aligned with the coroutine test TestExecuteRepeated1
{
var maxConcurrencyLevel = 2;
QueuedTaskScheduler scheduler = new QueuedTaskScheduler(TaskScheduler.Default, maxConcurrencyLevel);
var cancel = new CancellationTokenSource();
// Create both tasks at the same time:
Task t1 = TaskV2.Run(SomeAsyncTask1, cancel, scheduler);
Task <string> t2 = TaskV2.Run(SomeAsyncTask2, cancel, scheduler);
var t3 = TaskV2.Run(SomeAsyncTask1, cancel, scheduler); // Add a 3rd task (will not be started)
Assert.True(scheduler.GetRemainingScheduledTaskCount() >= 1);
Assert.Equal("Some string result", await t2);
// Check that now also task t3 was started:
Assert.Equal(0, scheduler.GetRemainingScheduledTaskCount());
// Since the scheduler allows 2 tasks at a time, t1 will not be complete when t2 is done:
Assert.False(t1.IsCompleted);
await t1;
}
public static Task <ImageResult> LoadImageInBackground(FileEntry imgFile)
{
return(TaskV2.Run(() => LoadAndDispose(imgFile.Open(FileMode.Open, FileAccess.Read, FileShare.Read))));
}
public static Task <ImageResult> LoadImageInBackground(byte[] bytes)
{
return(TaskV2.Run(() => LoadAndDispose(new MemoryStream(bytes))));
}
public static Task <ImageResult> LoadImageInBackground(FileEntry imgFile)
{
AssertV2.IsTrue(imgFile.Exists, "!imgFile.Exists: " + imgFile);
return(TaskV2.Run(() => LoadAndDispose(imgFile.Open(FileMode.Open, FileAccess.Read, FileShare.Read))));
}
private static Task ParallelExec <T>(IEnumerable <T> data, Action <T> actionPerElement)
{
return(Task.WhenAll(data.Map(elem => TaskV2.Run(() => actionPerElement(elem)))));
}
public async Task RunTestTask()
{
MyUser1 initialState = null; // Initially no user is logged in
var store = new DataStore <MyUser1>(MyReducers1.ReduceUser, initialState, Middlewares.NewLoggingMiddleware <MyUser1>());
var links = gameObject.GetLinkMap();
var loginButton = links.Get <Button>("LoginBtn");
var loginButtonWasClicked = loginButton.SetOnClickAction(async delegate {
loginButton.gameObject.Destroy();
await TaskV2.Run(async() => {
await TaskV2.Delay(1000);
store.Dispatch(new ActionLoginUser()
{
newLoggedInUser = new MyUser1("Karl")
});
}).LogOnError();
Assert.IsNotNull(store.GetState());
});
// Register a listener that is attached to the UI button to demonstrate that its no longer triggered once the button is destroyed:
var userNameChangedCounter = 0;
var subStateListener = store.NewSubStateListenerForUnity(loginButton, user => user);
subStateListener.AddStateChangeListener(x => x?.name, newName => {
userNameChangedCounter++;
Toast.Show("User name changed to " + newName);
Assert.IsFalse(loginButton.IsDestroyed());
}, triggerInstantToInit: false);
var userInfoText1 = links.Get <InputField>("UserNameInput1");
ConnectInputFieldUiToModel(userInfoText1, store);
var userInfoText2 = links.Get <InputField>("UserNameInput2");
ConnectInputFieldUiToModel(userInfoText2, store);
var oldCounterValue = userNameChangedCounter;
SimulateButtonClickOn("LoginBtn");
await loginButtonWasClicked;
Assert.IsTrue(loginButton.IsDestroyed());
// Since the button was destroyed, the counter should not change anymore:
Assert.AreEqual(oldCounterValue, userNameChangedCounter);
Toast.Show("Changing user name from background thread...");
await Task.Delay(2000);
// When NewSubStateListener instead of NewSubStateListenerForUnity is used, the
// event will arrive on the thread where it was dispatched:
var wasCalledOnMainThread = true;
store.NewSubStateListener(user => user).AddStateChangeListener(x => x.name, newName => {
wasCalledOnMainThread = MainThread.isMainThread;
}, triggerInstantToInit: false);
await TaskV2.Run(async() => { store.Dispatch(new ChangeName()
{
newName = "Caaarl"
}); });
Assert.AreEqual("Caaarl", store.GetState().name);
Assert.IsFalse(wasCalledOnMainThread);
}
public async Task TestDispatchFromManyThreads()
{
var store = new DataStore <MyModel>(ReduceMyModel, new MyModel(0), NewMiddleware());
var oldVal = 0;
store.AddStateChangeListener(x => x.val, (newVal) => {
if (newVal != (oldVal + 1))
{
throw new InvalidOperationException($"{oldVal} vs {newVal}");
}
oldVal = newVal;
}, false);
{
var count = 100;
var tasks = new List <Task>();
for (int i = 0; i < count; i++)
{
tasks.Add(TaskV2.Run(() => {
store.Dispatch(new MyAction()
{
val = 1
});
}));
}
await Task.WhenAll(tasks);
Assert.Equal(count, store.GetState().val);
}
{
var tasks = new List <Task>();
var tasks2 = new List <Task>();
store.AddStateChangeListener(x => x.val, (newVal) => {
if (newVal <= 300)
{
store.Dispatch(new MyAction()
{
val = 1
});
tasks2.Add(TaskV2.Run(() => {
store.Dispatch(new MyAction()
{
val = 1
});
}));
}
}, false);
var count = 100;
for (int i = 0; i < count; i++)
{
store.Dispatch(new MyAction()
{
val = 1
});
tasks.Add(TaskV2.Run(() => {
store.Dispatch(new MyAction()
{
val = 1
});
}));
}
await Task.WhenAll(tasks);
await Task.WhenAll(tasks2);
Assert.Equal(count * 7, store.GetState().val);
}
}