Rust macro testing

README.md

Rust macro testing

rustc --test test2.rs

test2.rs

macro_rules! test_battery {
    ($($t:ty as $name:ident),*) => {
        $(
            mod $name {
                #[test]
                fn frobnified() { assert_eq!(true, true); }
                #[test]
                fn unfrobnified() { assert_eq!(false, false); }
            }
        )*
    }
}

// seems to work
test_battery! (u8 as u8_tests, u128 as u128_tests);

// seems to work
test_battery! {u8 as u8_tests2, u128 as u128_tests2}

// seems to have a problem
test_battery! {u8 as u8_tests3, u128 as u128_tests3};

fn main() {
    println!("Hello, world!");
}