public void Resource_IncRef()
{
Resource resurrection;
using (Resource resource = new TestResource()) {
// Keep reference outside the using statement
resurrection = resource;
Assert.IsFalse(resource.IsDisposed);
// IncRef increment the reference count
resource.IncRef();
Assert.AreEqual(1u, resource.RefCount);
}
Assert.IsTrue(resurrection.IsDisposed);
using (Resource resource = new TestResource()) {
// Keep reference outside the using statement
resurrection = resource;
Assert.IsFalse(resource.IsDisposed);
// IncRef increment the reference count
resource.IncRef();
resource.IncRef();
Assert.AreEqual(2u, resource.RefCount);
// The resource shall not be disposed even is exiting from a using statement
}
Assert.IsFalse(resurrection.IsDisposed);
// Really dispose, since decrementing reference count
resurrection.DecRef();
Assert.IsTrue(resurrection.IsDisposed);
}
public void Resource_DecRef()
{
Resource resource;
// Calling DecRef with a RefCount equal to 0 dispose
resource = new TestResource();
Assert.IsFalse(resource.IsDisposed);
Assert.AreEqual(0u, resource.RefCount);
resource.DecRef();
Assert.IsTrue(resource.IsDisposed);
// Calling DecRef with a RefCount equal to 1 dispose all the same
resource = new TestResource();
Assert.IsFalse(resource.IsDisposed);
Assert.AreEqual(0u, resource.RefCount);
resource.IncRef();
Assert.AreEqual(1u, resource.RefCount);
resource.DecRef();
Assert.IsTrue(resource.IsDisposed);
}