Merge pull request #372 from DiD92/exercise_structs3

1 files changed, 67 insertions, 0 deletions

diff --git a/exercises/structs/structs3.rs b/exercises/structs/structs3.rs
new file mode 100644
index 0000000..77cc154
--- /dev/null
+++ b/exercises/structs/structs3.rs
@@ -0,0 +1,67 @@
+// 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 {
+    from: String,
+    to: String,
+    weight: f32
+}
+
+impl Package {
+    fn new(from: String, to: String, weight: f32) -> Package {
+        if weight <= 0.0 {
+            // Something goes here...
+        } else {
+            return Package {from, to, weight};
+        }
+    }
+
+    fn is_international(&self) -> ??? {
+        // Something goes here...
+    }
+
+    fn get_fees(&self, cost_per_kg: f32) -> ??? {
+        // Something goes here...
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    #[should_panic]
+    fn fail_creating_weightless_package() {
+        let country_from = String::from("Spain");
+        let country_to = String::from("Austria");
+
+        Package::new(country_from, country_to, -2.21);
+    }
+
+    #[test]
+    fn create_international_package() {
+        let country_from = String::from("Spain");
+        let country_to = String::from("Russia");
+        
+        let package = Package::new(country_from, country_to, 1.2);
+
+        assert!(package.is_international());
+    }
+
+    #[test]
+    fn calculate_transport_fees() {
+        let country_from = String::from("Spain");
+        let country_to = String::from("Spain");
+
+        let country_fee = ???;
+        
+        let package = Package::new(country_from, country_to, 22.0);
+        
+        assert_eq!(package.get_fees(country_fee), 176.0);
+    }
+}