public TService GetService <TService>(TestServiceFeature feature)
where TService : ProviderBase
{
RequireService(feature);
//return GetService(feature) as TService;
//workaround for bug #448560:
object o = GetService(feature);
object dummy = null;
if (o is TService)
{
return((TService)o);
}
else
{
return((TService)dummy);
}
}
/// <summary>
/// Register a new service that the test service should expose.
/// </summary>
/// <param name="feature">Known feature type.</param>
/// <param name="serviceInstance">Instance of the feature's
/// <see cref='ProviderBase' /> type.</param>
public void RegisterService(TestServiceFeature feature, ProviderBase serviceInstance)
{
_services.Add(feature, serviceInstance);
}
/// <summary>
/// Require a feature or interest.
/// </summary>
/// <param name="feature">Feature of interest.</param>
/// <returns>The service or null if one was not present.</returns>
public ProviderBase RequireService(TestServiceFeature feature)
{
return(RequireServiceInternal(feature));
}
/// <summary>
/// Retrieve a feature.
/// </summary>
/// <param name="feature">Feature of interest.</param>
/// <returns>The feature's provider.</returns>
public ProviderBase GetService(TestServiceFeature feature)
{
return(GetServiceInternal(feature));
}
public TService GetService <TService>(TestServiceFeature feature)
where TService : ProviderBase
{
RequireService(feature);
return(GetService(feature) as TService);
}
/// <summary>
/// Check if a requested feature is supported by the test service
/// provider.
/// </summary>
/// <param name="feature">Feature of interest.</param>
/// <returns>A value indicating whether the feature exists.</returns>
public bool HasService(TestServiceFeature feature)
{
return(GetServiceInternal(feature) != null);
}
/// <summary>
/// Unregisters a feature.
/// </summary>
/// <param name="feature">Known feature type.</param>
public void UnregisterService(TestServiceFeature feature)
{
_services.Remove(feature);
}
