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46 lines
1.1 KiB
Rust
46 lines
1.1 KiB
Rust
// Make sure that we're testing for the correct conditions!
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struct Rectangle {
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width: i32,
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height: i32,
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}
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impl Rectangle {
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// Only change the test functions themselves
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fn new(width: i32, height: i32) -> Self {
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if width <= 0 || height <= 0 {
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panic!("Rectangle width and height cannot be negative!")
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}
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Rectangle { width, height }
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}
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}
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fn main() {
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// You can optionally experiment here.
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn correct_width_and_height() {
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// This test should check if the rectangle is the size that we pass into its constructor
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let rect = Rectangle::new(10, 20);
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assert_eq!(???, 10); // check width
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assert_eq!(???, 20); // check height
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}
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#[test]
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fn negative_width() {
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// This test should check if program panics when we try to create rectangle with negative width
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let _rect = Rectangle::new(-10, 10);
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}
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#[test]
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fn negative_height() {
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// This test should check if program panics when we try to create rectangle with negative height
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let _rect = Rectangle::new(10, -10);
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}
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}
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