public static void AsyncDelegatesAreExecutedOnStaThread(AsyncExecutionApiAdapter apiAdapter)
{
var thread = Thread.CurrentThread;
apiAdapter.Execute(() =>
{
Assert.That(Thread.CurrentThread, Is.SameAs(thread));
return(Task.FromResult <object>(null));
});
}
public static void ContinuationStaysOnStaThread(AsyncExecutionApiAdapter apiAdapter)
{
var thread = Thread.CurrentThread;
apiAdapter.Execute(async() =>
{
await Task.Yield();
Assert.That(Thread.CurrentThread, Is.SameAs(thread));
});
}
public static void ContinuationDoesNotDeadlockOnKnownSynchronizationContext(
[ValueSource(nameof(KnownSynchronizationContextTypes))] Type knownSynchronizationContextType,
[ValueSource(nameof(ApiAdapters))] AsyncExecutionApiAdapter apiAdapter)
{
var createdOnThisThread = CreateSynchronizationContext(knownSynchronizationContextType);
using (TestUtils.TemporarySynchronizationContext(createdOnThisThread))
{
apiAdapter.Execute(async() => await TaskEx.Yield());
}
}
public static void ExecutesAsyncUserCode(AsyncExecutionApiAdapter adapter)
{
var didExecute = false;
adapter.Execute(async() =>
{
await Task.Yield();
didExecute = true;
});
Assert.That(didExecute);
}
public static void AwaitingContinuationDoesNotAlterSynchronizationContext(
[ValueSource(nameof(KnownSynchronizationContextTypes))] Type knownSynchronizationContextType,
[ValueSource(nameof(ApiAdapters))] AsyncExecutionApiAdapter apiAdapter)
{
var createdOnThisThread = CreateSynchronizationContext(knownSynchronizationContextType);
using (TestUtils.TemporarySynchronizationContext(createdOnThisThread))
{
apiAdapter.Execute(async() => await TaskEx.Yield());
Assert.That(SynchronizationContext.Current, Is.TypeOf(knownSynchronizationContextType));
}
}
public static void AsyncDelegatesAreExecutedUnderTheCurrentSynchronizationContext(
[ValueSource(nameof(KnownSynchronizationContextTypes))] Type knownSynchronizationContextType,
[ValueSource(nameof(ApiAdapters))] AsyncExecutionApiAdapter apiAdapter)
{
var createdOnThisThread = CreateSynchronizationContext(knownSynchronizationContextType);
using (TestUtils.TemporarySynchronizationContext(createdOnThisThread))
{
apiAdapter.Execute(() =>
{
Assert.That(SynchronizationContext.Current, Is.TypeOf(knownSynchronizationContextType));
return(TaskEx.FromResult <object>(null));
});
}
}
