public void InvalidBoundAsyncAction_Invoked_DoesSync()
{
bool sawSync = false;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext and signal this thread when it's captured.
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return(SynchronizationContext.Current); });
var syncContext = new Util.LoggingSynchronizationContext(actionThreadSyncContext)
{
OnPost = () => { sawSync = true; },
OnSend = () => { sawSync = true; }
};
var action = context.AsyncBind(() => { }, syncContext, false);
context.Reset();
action();
thread.Join();
Assert.IsTrue(sawSync, "Context did not use SyncContext for sync");
}
}
public void BoundAsyncAction_Invoked_ExecutesSynchronized()
{
int sawActionThread = Thread.CurrentThread.ManagedThreadId;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return(SynchronizationContext.Current); });
var action = context.AsyncBind(() => { sawActionThread = Thread.CurrentThread.ManagedThreadId; }, actionThreadSyncContext);
action();
thread.Join();
Assert.AreEqual(thread.ManagedThreadId, sawActionThread, "Bound action was not synchronized");
}
}
public void InvalidBoundAsyncAction_Invoked_DoesNotExecute()
{
int sawActionThread = Thread.CurrentThread.ManagedThreadId;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext and signal this thread when it's captured.
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return(SynchronizationContext.Current); });
var action = context.AsyncBind(() => { sawActionThread = Thread.CurrentThread.ManagedThreadId; }, actionThreadSyncContext, false);
context.Reset();
action();
thread.Join();
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, sawActionThread, "Invalid action should not run");
}
}
public void BoundAsyncAction_Invoked_DecrementsSyncContextOperationCount()
{
bool sawOperationCompleted = false;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return SynchronizationContext.Current; });
var syncContext = new LoggingSynchronizationContext(actionThreadSyncContext)
{
OnOperationCompleted = () => { sawOperationCompleted = true; }
};
var action = context.AsyncBind(() => { }, syncContext, false);
action();
thread.Join();
Assert.IsFalse(sawOperationCompleted, "Context decremented operation count");
}
}
public void BoundAsyncAction_Invoked_DecrementsSyncContextOperationCount()
{
bool sawOperationCompleted = false;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return(SynchronizationContext.Current); });
var syncContext = new Util.LoggingSynchronizationContext(actionThreadSyncContext)
{
OnOperationCompleted = () => { sawOperationCompleted = true; }
};
var action = context.AsyncBind(() => { }, syncContext, false);
action();
thread.Join();
Assert.IsFalse(sawOperationCompleted, "Context decremented operation count");
}
}
public void BoundAsyncAction_Invoked_ExecutesSynchronized()
{
int sawActionThread = Thread.CurrentThread.ManagedThreadId;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return SynchronizationContext.Current; });
var action = context.AsyncBind(() => { sawActionThread = Thread.CurrentThread.ManagedThreadId; }, actionThreadSyncContext);
action();
thread.Join();
Assert.AreEqual(thread.ManagedThreadId, sawActionThread, "Bound action was not synchronized");
}
}
public void InvalidBoundAsyncAction_Invoked_DoesSync()
{
bool sawSync = false;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext and signal this thread when it's captured.
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return SynchronizationContext.Current; });
var syncContext = new LoggingSynchronizationContext(actionThreadSyncContext)
{
OnPost = () => { sawSync = true; },
OnSend = () => { sawSync = true; }
};
var action = context.AsyncBind(() => { }, syncContext, false);
context.Reset();
action();
thread.Join();
Assert.IsTrue(sawSync, "Context did not use SyncContext for sync");
}
}
public void InvalidBoundAsyncAction_Invoked_DoesNotExecute()
{
int sawActionThread = Thread.CurrentThread.ManagedThreadId;
using (CallbackContext context = new CallbackContext())
using (ActionThread thread = new ActionThread())
{
thread.Start();
// Capture the thread's SynchronizationContext and signal this thread when it's captured.
SynchronizationContext actionThreadSyncContext = thread.DoGet(() => { return SynchronizationContext.Current; });
var action = context.AsyncBind(() => { sawActionThread = Thread.CurrentThread.ManagedThreadId; }, actionThreadSyncContext, false);
context.Reset();
action();
thread.Join();
Assert.AreEqual(Thread.CurrentThread.ManagedThreadId, sawActionThread, "Invalid action should not run");
}
}
