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exercises/tests/tests4.rs
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exercises/tests/tests4.rs
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// tests4.rs
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// Correct the tests to
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// Do not change Rectangle::new body
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// Execute `rustlings hint tests4` or use the `hint` watch subcommand for a hint.
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// I AM NOT DONE
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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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pub 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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#[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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let _rect = Rectangle::new(10, 10);
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}
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#[test]
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fn 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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let _rect = Rectangle::new(10, -10);
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}
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}
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10
info.toml
10
info.toml
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@ -807,6 +807,16 @@ You can call a function right where you're passing arguments to `assert!` -- so
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something like `assert!(having_fun())`. If you want to check that you indeed get false, you
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something like `assert!(having_fun())`. If you want to check that you indeed get false, you
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can negate the result of what you're doing using `!`, like `assert!(!having_fun())`."""
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can negate the result of what you're doing using `!`, like `assert!(!having_fun())`."""
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[[exercises]]
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name = "tests4"
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path = "exercises/tests/tests4.rs"
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mode = "test"
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hint = """
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We expect method `Rectangle::new()` to panic for negative values.
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To handle that you need to add special attribute to test function.
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You can refer to the docs: https://doc.rust-lang.org/stable/book/ch11-01-writing-tests.html"""
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# STANDARD LIBRARY TYPES
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# STANDARD LIBRARY TYPES
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[[exercises]]
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[[exercises]]
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