| ALERT: * The line below should have no text |
| ALERT: |
| ALERT: * The line below should have the text 'undefined' |
| ALERT: undefined |
| ALERT: * The line below should have the text 'null' |
| ALERT: null |
| ALERT: * The lines below should have no text |
| CONFIRM: |
| CONFIRM: |
| ALERT: * The line below should have the text 'null' |
| CONFIRM: null |
| ALERT: * The lines below should have no text and no default text |
| PROMPT: , default text: |
| PROMPT: , default text: |
| ALERT: * The line below should have the text 'null' and the default text null |
| PROMPT: null, default text: null |
| |