diff options
Diffstat (limited to 'exercises/conversions/from_str.rs')
| -rw-r--r-- | exercises/conversions/from_str.rs | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/exercises/conversions/from_str.rs b/exercises/conversions/from_str.rs index 3c889d7..14e9e09 100644 --- a/exercises/conversions/from_str.rs +++ b/exercises/conversions/from_str.rs @@ -15,7 +15,8 @@ struct Person { // 1. If the length of the provided string is 0, then return an error // 2. Split the given string on the commas present in it // 3. Extract the first element from the split operation and use it as the name -// 4. Extract the other element from the split operation and parse it into a `usize` as the age +// 4. If the name is empty, then return an error +// 5. Extract the other element from the split operation and parse it into a `usize` as the age // If while parsing the age, something goes wrong, then return an error // Otherwise, then return a Result of a Person object impl FromStr for Person { @@ -39,11 +40,46 @@ mod tests { } #[test] fn good_input() { - assert!("John,32".parse::<Person>().is_ok()); + let p = "John,32".parse::<Person>(); + assert!(p.is_ok()); + let p = p.unwrap(); + assert_eq!(p.name, "John"); + assert_eq!(p.age, 32); } #[test] #[should_panic] fn missing_age() { + "John,".parse::<Person>().unwrap(); + } + + #[test] + #[should_panic] + fn invalid_age() { + "John,twenty".parse::<Person>().unwrap(); + } + + #[test] + #[should_panic] + fn missing_comma_and_age() { "John".parse::<Person>().unwrap(); } + + #[test] + #[should_panic] + fn missing_name() { + ",1".parse::<Person>().unwrap(); + } + + #[test] + #[should_panic] + fn missing_name_and_age() { + ",".parse::<Person>().unwrap(); + } + + #[test] + #[should_panic] + fn missing_name_and_invalid_age() { + ",one".parse::<Person>().unwrap(); + } + }
\ No newline at end of file |
