test_for.rs

fn main() {
}

#[cfg(test)]
mod tests {
    #[test]
    fn test_for() {
        let mut v = Vec::new();
        for i in 0..10 {
            v.push(i);
        }

        for i in 0..v.len() {
            if i < 100 {
                v.push(i);
            }
        }

        assert!(v.len() == 110); // count is 20
    }

    #[test]
    fn test_loop() {
        let mut v = Vec::new();
        for i in 0..10 {
            v.push(i);
        }

        let mut i = 0;
        loop {
            if i >= v.len() {
                break;
            }

            if i < 100 {
                v.push(i);
            }

            i += 1;
        }

        assert!(v.len() == 110);
    }

}