public void ReentrancyPostAndWaitTest()
{
int actionCallCount = 0;
int innerActionCallCount = 0;
using (var context = UnitTestSynchronizationContext.Create())
{
Func <Task> asyncInnerAction = async() =>
{
await Task.Delay(1);
Interlocked.Increment(ref innerActionCallCount);
};
Func <Task> asyncAction = async() =>
{
await Task.Delay(1);
asyncInnerAction().Wait(context);
await Task.Delay(1);
asyncInnerAction().Wait(context);
Interlocked.Increment(ref actionCallCount);
};
var task = asyncAction();
Assert.AreEqual(0, actionCallCount);
Assert.AreEqual(0, innerActionCallCount);
task.Wait(context);
Assert.AreEqual(1, actionCallCount);
Assert.AreEqual(2, innerActionCallCount);
}
}
public void WaitForTest()
{
using (var context = UnitTestSynchronizationContext.Create())
{
bool flag = false;
Action asyncAction = async() =>
{
await Task.Delay(10);
flag = true;
};
asyncAction();
Assert.IsFalse(flag);
context.WaitFor(() => flag, TimeSpan.FromSeconds(1));
Assert.IsTrue(flag);
AssertHelper.ExpectedException <TimeoutException>(() => context.WaitFor(() => !flag, TimeSpan.FromMilliseconds(10)));
AssertHelper.ExpectedException <ArgumentNullException>(() => UnitTestSynchronizationContextExtensions.WaitFor(context, null, TimeSpan.FromMilliseconds(10)));
}
AssertHelper.ExpectedException <ArgumentNullException>(() => UnitTestSynchronizationContextExtensions.WaitFor(null, () => true, TimeSpan.FromMilliseconds(10)));
}
public void PostAndWaitTest()
{
int actionCallCount = 0;
var context = UnitTestSynchronizationContext.Create();
Func <Task> asyncAction = async() =>
{
await Task.Delay(1);
Interlocked.Increment(ref actionCallCount);
};
var task = asyncAction();
Assert.AreEqual(0, actionCallCount);
task.Wait(context);
Assert.AreEqual(1, actionCallCount);
task = asyncAction();
context.Wait(TimeSpan.FromMilliseconds(50));
Assert.AreEqual(2, actionCallCount);
context.Dispose();
Assert.AreEqual(2, actionCallCount);
}
public void PostAndWaitExceptionTest()
{
using (var context = UnitTestSynchronizationContext.Create())
{
AssertHelper.ExpectedException <ArgumentNullException>(() => context.Post(null, null));
AssertHelper.ExpectedException <ArgumentNullException>(() => context.Wait(null));
}
}
protected override void OnInitialize()
{
base.OnInitialize();
Context = UnitTestSynchronizationContext.Create();
var configuration = new ContainerConfiguration()
.WithAssembly(typeof(ShellViewModel).GetTypeInfo().Assembly)
.WithAssembly(typeof(ApplicationsTest).GetTypeInfo().Assembly);
Container = configuration.CreateContainer();
}
public void SendTest()
{
int actionCallCount = 0;
var context = UnitTestSynchronizationContext.Create();
context.Send(state => actionCallCount++, null);
Assert.AreEqual(1, actionCallCount);
AssertHelper.ExpectedException <ArgumentNullException>(() => context.Send(null, null));
context.Dispose();
context.Send(state => actionCallCount++, null);
Assert.AreEqual(1, actionCallCount);
}
public void CreateAndDisposingTest()
{
Assert.IsNull(SynchronizationContext.Current);
using (var context = UnitTestSynchronizationContext.Create())
{
Assert.AreEqual(context, SynchronizationContext.Current);
Assert.AreEqual(context, UnitTestSynchronizationContext.Current);
using (var nestedContext = (UnitTestSynchronizationContext)context.CreateCopy())
{
SynchronizationContext.SetSynchronizationContext(nestedContext);
Assert.AreEqual(nestedContext, SynchronizationContext.Current);
Assert.AreEqual(nestedContext, UnitTestSynchronizationContext.Current);
}
Assert.AreEqual(context, SynchronizationContext.Current);
}
Assert.IsNull(SynchronizationContext.Current);
}
protected override void OnInitialize()
{
base.OnInitialize();
context = UnitTestSynchronizationContext.Create();
catalog = new AggregateCatalog();
OnCatalogInitialize(catalog);
container = new CompositionContainer(catalog, CompositionOptions.DisableSilentRejection);
CompositionBatch batch = new CompositionBatch();
batch.AddExportedValue(container);
container.Compose(batch);
ShellService shellService = Container.GetExportedValue <ShellService>();
shellService.Settings = new AppSettings();
ServiceLocator.RegisterInstance <IChangeTrackerService>(new ChangeTrackerService());
}
public void WaitTest()
{
using (var context = UnitTestSynchronizationContext.Create())
{
int actionCallCount = 0;
Func <Task <int> > asyncAction = async() =>
{
await Task.Delay(1);
Interlocked.Increment(ref actionCallCount);
return(actionCallCount);
};
var task = asyncAction();
Assert.AreEqual(0, actionCallCount);
task.Wait(context);
Assert.AreEqual(1, actionCallCount);
}
AssertHelper.ExpectedException <ArgumentNullException>(() => UnitTestSynchronizationContextExtensions.Wait(Task.FromResult((object)null), null));
}
public void InvokeMaxEveryDelayTimeTestWithSynchronizationContext()
{
using var context = UnitTestSynchronizationContext.Create();
int actionCallCount = 0;
var throttledAction = new ThrottledAction(() => Interlocked.Add(ref actionCallCount, 1), ThrottledActionMode.InvokeMaxEveryDelayTime, TimeSpan.FromMilliseconds(100));
Assert.IsFalse(throttledAction.IsRunning);
throttledAction.InvokeAccumulated();
Assert.IsTrue(throttledAction.IsRunning);
throttledAction.InvokeAccumulated();
throttledAction.InvokeAccumulated();
// As long the unit test synchronization context is not executed the actionCallCount must not be increased.
Task.Delay(200).Wait();
Assert.AreEqual(0, actionCallCount);
// Execute the unit test synchronization context.
context.WaitFor(() => actionCallCount > 0, TimeSpan.FromMilliseconds(200));
Assert.AreEqual(1, actionCallCount);
Assert.IsFalse(throttledAction.IsRunning);
}
public void GetResultTest()
{
using (var context = UnitTestSynchronizationContext.Create())
{
int actionCallCount = 0;
async Task <int> AsyncAction()
{
await Task.Delay(1);
Interlocked.Increment(ref actionCallCount);
return(actionCallCount);
}
var task = AsyncAction();
Assert.AreEqual(0, actionCallCount);
var result = task.GetResult(context);
Assert.AreEqual(1, actionCallCount);
Assert.AreEqual(1, result);
}
AssertHelper.ExpectedException <ArgumentNullException>(() => UnitTestSynchronizationContextExtensions.GetResult(Task.FromResult((object)null !), null !));
}
