lib/unittest/unittest_test.rs

#![no_std]
#![cfg_attr(test, no_main)]

pub fn add(a: u32, b: u32) -> u32 {
    a + b
}

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

    #[test]
    fn test_add() -> unittest::Result<()> {
        unittest::assert_eq!(add(1, 2), 3);
        Ok(())
    }
}