c4974ac782
- fixed grammar in hint and added more specific link - added comments in test functions - changed introduction paragraph
46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
// tests4.rs
|
|
// Make sure that we're testing for the correct conditions!
|
|
// Execute `rustlings hint tests4` or use the `hint` watch subcommand for a hint.
|
|
|
|
// I AM NOT DONE
|
|
|
|
struct Rectangle {
|
|
width: i32,
|
|
height: i32
|
|
}
|
|
|
|
impl Rectangle {
|
|
// Only change the test functions themselves
|
|
pub fn new(width: i32, height: i32) -> Self {
|
|
if width < 0 || height < 0 {
|
|
panic!("Rectangle width and height cannot be negative!")
|
|
}
|
|
Rectangle {width, height}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn correct_width_and_height() {
|
|
// This test should check if the rectangle is the size that we pass into its constructor
|
|
let rect = Rectangle::new(10, 20);
|
|
assert_eq!(???, 10); // check width
|
|
assert_eq!(???, 20); // check height
|
|
}
|
|
|
|
#[test]
|
|
fn negative_width() {
|
|
// This test should check if thread panics when we try to create rectangle with negative width
|
|
let _rect = Rectangle::new(-10, 10);
|
|
}
|
|
|
|
#[test]
|
|
fn negative_height() {
|
|
// This test should check if thread panics when we try to create rectangle with negative height
|
|
let _rect = Rectangle::new(10, -10);
|
|
}
|
|
}
|