13. Test startup and shutdown behavior.

1. Test any timers or schedules if the original app depended on them.
2. Test data-aware screens and save/cancel workflows.
3. Test media or file operations where applicable.
4. Test secondary forms, help, menus, and common user actions.
5. Test numeric entry controls such as TNumberBox and converted TSpinBox screens.
6. Test TRadioGroup and TFontDialog workflows if the original application used them.
7. Test wave-audio or WinMM paths where the source project uses MMSystem or waveOut APIs.
8. If the application launches, check operation of help files, external documents, URLs, or utilities.
9. If a form uses shared datasets, shared datasources, shared navigators, or shared combo controls, close and reopen the form and verify the shared object still behaves correctly afterward.