1 . Test the login mechanism using correct and incorrect logins to check that valid users are accepted and invalid users are rejected.
2 . Test the search facility using different queries against known sources to check that the search mechanism is actually finding documents.
3 . Test the system presentation facility to check that information about documents is displayed properly.
4. Test the mechanism to request permission for downloading.
5 . Test the e-mail response indicating that the downloaded document is available.
