public void CreateAndDispose_intermediateFilterRegistredAndLeft_exceptionThrown()
{
Exception gotException = null;
IMessageFilter intermediateFilter = null;
var thread = new Thread(() =>
{
intermediateFilter = new TestMessageFilter();
try
{
using (new StaComCrossThreadInvoker())
{
IMessageFilter commonFilter = null;
NativeMethods.CoRegisterMessageFilter(intermediateFilter, out commonFilter);
}
}
catch (Exception ex)
{
gotException = ex;
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
Assert.IsInstanceOf <InvalidOperationException>(gotException);
}
public void CreateAndDispose_intermediateFilterRegistredAndLeft_exceptionThrown()
{
Exception gotException = null;
IMessageFilter intermediateFilter = null;
var thread = new Thread(() =>
{
intermediateFilter = new TestMessageFilter();
try
{
using (new StaComCrossThreadInvoker())
{
IMessageFilter commonFilter = null;
NativeMethods.CoRegisterMessageFilter(intermediateFilter, out commonFilter);
}
}
catch (Exception ex)
{
gotException = ex;
}
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
Assert.IsInstanceOf<InvalidOperationException>(gotException);
}
public void CreateAndDispose_previousFilterRegistered_previousFilterReturned()
{
IMessageFilter noFilterByDefault = null;
IMessageFilter testFilter = null;
IMessageFilter testFilterReturned = null;
var thread = new Thread(() =>
{
testFilter = new TestMessageFilter();
NativeMethods.CoRegisterMessageFilter(testFilter, out noFilterByDefault);
using (new StaComCrossThreadInvoker())
{
}
NativeMethods.CoRegisterMessageFilter(null, out testFilterReturned);
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
Assert.IsNull(noFilterByDefault);
Assert.AreEqual(testFilter, testFilterReturned);
}
public void CreateAndDispose_previousFilterRegistered_previousFilterReturned()
{
IMessageFilter noFilterByDefault = null;
IMessageFilter testFilter = null;
IMessageFilter testFilterReturned = null;
var thread = new Thread(() =>
{
testFilter = new TestMessageFilter();
NativeMethods.CoRegisterMessageFilter(testFilter, out noFilterByDefault);
using (new StaComCrossThreadInvoker())
{
}
NativeMethods.CoRegisterMessageFilter(null, out testFilterReturned);
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
Assert.IsNull(noFilterByDefault);
Assert.AreEqual(testFilter,testFilterReturned);
}
