protected internal static void CheckThatExistence(GraphicsContext ctx, IGraphicsResource resource)
{
if (resource == null)
throw new ArgumentNullException("resource");
if (resource.Exists(ctx) == false)
throw new InvalidOperationException("not existing");
}
public void TestDeleteOnDispose(Type resourceType)
{
if (resourceType == null)
{
throw new ArgumentNullException("resourceType");
}
IGraphicsTypeSupport graphicsTypeSupport = GetGraphicsTypeSupport(resourceType);
if (graphicsTypeSupport == null)
{
Assert.Inconclusive(String.Format("no type support for {0}", resourceType.Name));
}
// Assert currency of context
Assert.IsTrue(_Context.IsCurrent);
using (IGraphicsResource resource = graphicsTypeSupport.AllocateSpy <IGraphicsResource>(_Context)) {
if (resource == null)
{
Assert.Inconclusive(String.Format("unable to allocate an instance of {0}", resourceType.Name));
}
// Create the resource
Assert.DoesNotThrow(delegate() { graphicsTypeSupport.Create(resource, _Context); });
Assert.AreNotEqual(0, resource.ObjectName);
Assert.AreEqual(_Context.ObjectNameSpace, resource.ObjectNamespace);
Assert.IsTrue(resource.Exists(_Context));
// Delete the resource
resource.Dispose();
// Dispose(GraphicsContext) method shall call the Delete(GraphicsContext) method
resource.Received().Delete(_Context);
Assert.AreEqual(0, resource.ObjectName);
Assert.AreEqual(Guid.Empty, resource.ObjectNamespace);
Assert.DoesNotThrow(delegate() { resource.Exists(_Context); });
Assert.IsFalse(resource.Exists(_Context));
}
}