---
assert((text.length == 1 || text.lowercase() == text) && text.length == 1)
        |    |      |       |    |           |  |
        |    |      |       |    |           |  Hello
        |    |      |       |    |           false
        |    |      |       |    hello
        |    |      |       Hello
        |    |      false
        |    5
        Hello
---
