public void TestMessageHandler()
{
IDeviceManager mgr;
using (mgr = Factory.CreateDeviceManager())
{
mgr.RefCount.Should().Be(1);
mgr.IsDisposed.Should().BeFalse();
mgr.MessageHandler.Should().BeNull();
using (var handler = new DummyHandler())
{
//
// Attaching...
//
mgr.MessageHandler = handler;
mgr.MessageHandler.Should().BeSameAs(handler);
handler.IsInstalled.Should().BeTrue();
handler.Impl.Should().NotBeNull();
//
// Attaching again
//
var impl = handler.Impl;
mgr.MessageHandler = handler;
mgr.MessageHandler.Should().BeSameAs(handler);
handler.Impl.Should().BeSameAs(impl); //< one to one relationship must be preserved
//
// Removing via method
//
handler.RemoveHandlerFromDevices();
handler.IsInstalled.Should().BeFalse();
handler.Impl.Should().BeNull();
mgr.MessageHandler.Should().BeNull();
//
// Removing via property
//
mgr.MessageHandler = handler;
handler.IsInstalled.Should().BeTrue();
handler.Impl.Should().NotBeNull();
impl = handler.Impl;
mgr.MessageHandler = null;
mgr.MessageHandler.Should().BeNull();
handler.IsInstalled.Should().BeFalse();
handler.Impl.Should().BeSameAs(impl); //< The thing is that the filter might be installed elsewhere: the impl can only be disposed of when the handler is removed from *all* devices or disposed of itself
}
// TOOD: Test throwing exceptions, filtering
}
mgr.RefCount.Should().Be(0);
mgr.IsDisposed.Should().BeTrue();
}
public void TestMessageHandler()
{
IDeviceManager mgr;
using (mgr = Factory.CreateDeviceManager())
{
mgr.RefCount.Should().Be(1);
mgr.IsDisposed.Should().BeFalse();
mgr.MessageHandler.Should().BeNull();
using (var handler = new DummyHandler())
{
//
// Attaching...
//
mgr.MessageHandler = handler;
mgr.MessageHandler.Should().BeSameAs(handler);
handler.IsInstalled.Should().BeTrue();
handler.Impl.Should().NotBeNull();
//
// Attaching again
//
var impl = handler.Impl;
mgr.MessageHandler = handler;
mgr.MessageHandler.Should().BeSameAs(handler);
handler.Impl.Should().BeSameAs(impl); //< one to one relationship must be preserved
//
// Removing via method
//
handler.RemoveHandlerFromDevices();
handler.IsInstalled.Should().BeFalse();
handler.Impl.Should().BeNull();
mgr.MessageHandler.Should().BeNull();
//
// Removing via property
//
mgr.MessageHandler = handler;
handler.IsInstalled.Should().BeTrue();
handler.Impl.Should().NotBeNull();
impl = handler.Impl;
mgr.MessageHandler = null;
mgr.MessageHandler.Should().BeNull();
handler.IsInstalled.Should().BeFalse();
handler.Impl.Should().BeSameAs(impl); //< The thing is that the filter might be installed elsewhere: the impl can only be disposed of when the handler is removed from *all* devices or disposed of itself
}
// TOOD: Test throwing exceptions, filtering
}
mgr.RefCount.Should().Be(0);
mgr.IsDisposed.Should().BeTrue();
}