// test4.rs
// This test covers the sections:
// - Modules
// - Macros

// Write a macro that passes the test! No hints this time, you can do it!
macro_rules! my_macro {
    ($s: expr) => {
        format!("Hello {}", $s)
    };
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_my_macro_world() {
        assert_eq!(my_macro!("world!"), "Hello world!");
    }

    #[test]
    fn test_my_macro_goodbye() {
        assert_eq!(my_macro!("goodbye!"), "Hello goodbye!");
    }
}
