83 lines
2.1 KiB
Rust
83 lines
2.1 KiB
Rust
// structs3.rs
|
|
// Structs contain data, but can also have logic. In this exercise we have
|
|
// defined the Package struct and we want to test some logic attached to it.
|
|
// Make the code compile and the tests pass!
|
|
// If you have issues execute `rustlings hint structs3`
|
|
|
|
// I AM NOT DONE
|
|
|
|
#[derive(Debug)]
|
|
struct Package {
|
|
sender_country: String,
|
|
recipient_country: String,
|
|
weight_in_grams: i32,
|
|
}
|
|
|
|
impl Package {
|
|
fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package {
|
|
if weight_in_grams <= 0 {
|
|
// Something goes here...
|
|
} else {
|
|
Package {
|
|
sender_country,
|
|
recipient_country,
|
|
weight_in_grams,
|
|
}
|
|
}
|
|
}
|
|
|
|
fn is_international(&self) -> ??? {
|
|
// Something goes here...
|
|
}
|
|
|
|
fn get_fees(&self, cents_per_gram: i32) -> ??? {
|
|
// Something goes here...
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
#[should_panic]
|
|
fn fail_creating_weightless_package() {
|
|
let sender_country = String::from("Spain");
|
|
let recipient_country = String::from("Austria");
|
|
|
|
Package::new(sender_country, recipient_country, -2210);
|
|
}
|
|
|
|
#[test]
|
|
fn create_international_package() {
|
|
let sender_country = String::from("Spain");
|
|
let recipient_country = String::from("Russia");
|
|
|
|
let package = Package::new(sender_country, recipient_country, 1200);
|
|
|
|
assert!(package.is_international());
|
|
}
|
|
|
|
#[test]
|
|
fn create_local_package() {
|
|
let sender_country = String::from("Canada");
|
|
let recipient_country = sender_country.clone();
|
|
|
|
let package = Package::new(sender_country, recipient_country, 1200);
|
|
|
|
assert!(!package.is_international());
|
|
}
|
|
|
|
#[test]
|
|
fn calculate_transport_fees() {
|
|
let sender_country = String::from("Spain");
|
|
let recipient_country = String::from("Spain");
|
|
|
|
let cents_per_gram = ???;
|
|
|
|
let package = Package::new(sender_country, recipient_country, 1500);
|
|
|
|
assert_eq!(package.get_fees(cents_per_gram), 4500);
|
|
}
|
|
}
|