1.          ^reflection:tainting[  ^taint[  ]  ]
2.  ^reflection:tainting[tainted;  ^taint[  ]  ]
3.    ^reflection:tainting[clean;  ^taint[  ]  ]

4.          ^reflection:tainting[  ^taint[optimized-html;  ]  ]
5. ^reflection:tainting[optimized;  ^taint[optimized-html;  ]  ]

6. ^try-catch{^reflection:tainting{ not_string }[ ]}
7. ^try-catch{^reflection:tainting[ ]{ not string }}
8. ^try-catch{^reflection:tainting[no-such-lang][]}
9. '^reflection:tainting[$empty]'