solutions/03_if/if2.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

fn picky_eater(food: &str) -> &str {
    if food == "strawberry" {
        "Yummy!"
    } else if food == "potato" {
        "I guess I can eat that."
    } else {
        "No thanks!"
    }
}

fn main() {
    // You can optionally experiment here.
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn yummy_food() {
        assert_eq!(picky_eater("strawberry"), "Yummy!");
    }

    #[test]
    fn neutral_food() {
        assert_eq!(picky_eater("potato"), "I guess I can eat that.");
    }

    #[test]
    fn default_disliked_food() {
        assert_eq!(picky_eater("broccoli"), "No thanks!");
        assert_eq!(picky_eater("gummy bears"), "No thanks!");
        assert_eq!(picky_eater("literally anything"), "No thanks!");
    }
}