use algorithmz::string::first_unique_character;
#[test]
fn test_first_unique_character_empty() {
let result = first_unique_character("");
assert_eq!(result,0);
}
#[test]
fn test_first_unique_character() {
let result = first_unique_character("teetlcode");
assert_eq!(result,4);
}
#[test]
fn test_first_unique_character_nounique() {
let result = first_unique_character("teet");
assert_eq!(result, -1);
}