There has been no court test. There isn't even legislation proposed yet. A study group under the NII Task Force did a preliminary draft of a report 6 months ago.
Actual legislation is probably still at least a year away, optimistically.
And the reference to photocopying doesn't really help. It just isn't that simple. It took decades of court cases to put the current procedures for the photocopying of copyright-protected works into practice. If the issue of copyright on the net is to be decided through court cases, we can postpone further discussion about that aspect of electronic publishing for a very long time. This is a fake email address.