// structs3.rs // Structs contain more than simply some data, they 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 { return 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); } }