---
assert(text != null && text.length == 5 && text.lowercase() == text)
       |    |          |    |      |       |    |           |  |
       |    |          |    |      |       |    |           |  Hello
       |    |          |    |      |       |    |           false
       |    |          |    |      |       |    hello
       |    |          |    |      |       Hello
       |    |          |    |      true
       |    |          |    5
       |    |          Hello
       |    true
       Hello
---
