public void ProgressReport_NotifiesChangeOnCapturedSynchronizationContext()
{
AsyncContext.Run(async() =>
{
SynchronizationContext updateContext = null;
SynchronizationContext threadContext = null;
var tcs = new TaskCompletionSource();
using (var thread = new AsyncContextThread())
{
threadContext = await thread.Factory.Run(() => SynchronizationContext.Current);
PropertyProgress <int> propertyProgress = await thread.Factory.Run(() => new PropertyProgress <int>());
propertyProgress.PropertyChanged += (_, e) =>
{
updateContext = SynchronizationContext.Current;
tcs.SetResult();
};
IProgress <int> progress = propertyProgress;
progress.Report(13);
await tcs.Task;
}
Assert.IsNotNull(updateContext);
Assert.AreEqual(threadContext, updateContext);
});
}
public void ProgressReport_UpdatesPropertyValue()
{
AsyncContext.Run(async() =>
{
var propertyProgress = new PropertyProgress <int>();
IProgress <int> progress = propertyProgress;
await Task.Run(() => progress.Report(13));
await Task.Yield();
Assert.AreEqual(13, propertyProgress.Progress);
await Task.Run(() => progress.Report(17));
await Task.Yield();
Assert.AreEqual(17, propertyProgress.Progress);
});
}
public void ProgressReport_UpdatesPropertyValue()
{
AsyncContext.Run(async () =>
{
var propertyProgress = new PropertyProgress<int>();
IProgress<int> progress = propertyProgress;
await TaskShim.Run(() => progress.Report(13));
await TaskShim.Yield();
Assert.AreEqual(13, propertyProgress.Progress);
await TaskShim.Run(() => progress.Report(17));
await TaskShim.Yield();
Assert.AreEqual(17, propertyProgress.Progress);
});
}
public void ProgressReport_NotifiesChangeWithCorrectName()
{
string propertyName = null;
AsyncContext.Run(async() =>
{
var propertyProgress = new PropertyProgress <int>();
propertyProgress.PropertyChanged += (_, e) =>
{
propertyName = e.PropertyName;
};
IProgress <int> progress = propertyProgress;
await Task.Run(() => progress.Report(13));
});
Assert.AreEqual("Progress", propertyName);
}
public void ProgressReport_NotifiesChangeWithCorrectName()
{
string propertyName = null;
AsyncContext.Run(async () =>
{
var propertyProgress = new PropertyProgress<int>();
propertyProgress.PropertyChanged += (_, e) =>
{
propertyName = e.PropertyName;
};
IProgress<int> progress = propertyProgress;
await TaskShim.Run(() => progress.Report(13));
});
Assert.AreEqual("Progress", propertyName);
}
