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Merge pull request #433 from SebastienCaunes/fix#432

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fix : Use of integer for prices, therefore also for weight
This commit is contained in:
fmoko 2020-06-22 00:09:09 +02:00 committed by GitHub
parent 113cdae2d4 9ca08b8f2b
commit 75c0053bb1
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1 changed files with 19 additions and 19 deletions
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38
exercises/structs/structs3.rs
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@ -7,17 +7,17 @@
#[derive(Debug)] #[derive(Debug)]
struct Package { struct Package {
from: String, sender_country: String,
to: String, recipient_country: String,
weight: f32 weight_in_grams: i32,
} }
impl Package { impl Package {
fn new(from: String, to: String, weight: f32) -> Package { fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package {
if weight <= 0.0 { if weight_in_grams <= 0 {
// Something goes here... // Something goes here...
} else { } else {
return Package {from, to, weight}; return Package {sender_country, recipient_country, weight_in_grams};
} }
} }
@ -25,8 +25,8 @@ impl Package {
// Something goes here... // Something goes here...
} }
fn get_fees(&self, cost_per_kg: f32) -> ??? { fn get_fees(&self, cents_per_kg: i32) -> ??? {
// Something goes here... // Something goes here... (beware of grams to kg conversion)
} }
} }
@ -37,31 +37,31 @@ mod tests {
#[test] #[test]
#[should_panic] #[should_panic]
fn fail_creating_weightless_package() { fn fail_creating_weightless_package() {
let country_from = String::from("Spain"); let sender_country = String::from("Spain");
let country_to = String::from("Austria"); let recipient_country = String::from("Austria");
Package::new(country_from, country_to, -2.21); Package::new(sender_country, recipient_country, -2210);
} }
#[test] #[test]
fn create_international_package() { fn create_international_package() {
let country_from = String::from("Spain"); let sender_country = String::from("Spain");
let country_to = String::from("Russia"); let recipient_country = String::from("Russia");
let package = Package::new(country_from, country_to, 1.2); let package = Package::new(sender_country, recipient_country, 1200);
assert!(package.is_international()); assert!(package.is_international());
} }
#[test] #[test]
fn calculate_transport_fees() { fn calculate_transport_fees() {
let country_from = String::from("Spain"); let sender_country = String::from("Spain");
let country_to = String::from("Spain"); let recipient_country = String::from("Spain");
let country_fee = ???; let cents_per_kg = ???;
let package = Package::new(country_from, country_to, 22.0); let package = Package::new(sender_country, recipient_country, 1500);
assert_eq!(package.get_fees(country_fee), 176.0); assert_eq!(package.get_fees(cents_per_kg), 4500);
} }
} }