rust-clippy/tests/ui/mutex_atomic.rs

#![warn(clippy::all)]
#![warn(clippy::mutex_integer)]
#![warn(clippy::mutex_atomic)]
#![allow(clippy::borrow_as_ptr)]

fn main() {
    use std::sync::Mutex;
    Mutex::new(true);
    //~^ ERROR: consider using an `AtomicBool` instead of a `Mutex` here; if you just want
    //~| NOTE: `-D clippy::mutex-atomic` implied by `-D warnings`
    Mutex::new(5usize);
    //~^ ERROR: consider using an `AtomicUsize` instead of a `Mutex` here; if you just wan
    Mutex::new(9isize);
    //~^ ERROR: consider using an `AtomicIsize` instead of a `Mutex` here; if you just wan
    let mut x = 4u32;
    Mutex::new(&x as *const u32);
    //~^ ERROR: consider using an `AtomicPtr` instead of a `Mutex` here; if you just want
    Mutex::new(&mut x as *mut u32);
    //~^ ERROR: consider using an `AtomicPtr` instead of a `Mutex` here; if you just want
    Mutex::new(0u32);
    //~^ ERROR: consider using an `AtomicU32` instead of a `Mutex` here; if you just wan
    //~| NOTE: `-D clippy::mutex-integer` implied by `-D warnings`
    Mutex::new(0i32);
    //~^ ERROR: consider using an `AtomicI32` instead of a `Mutex` here; if you just wan
    Mutex::new(0f32); // there are no float atomics, so this should not lint
    Mutex::new(0u8);
    //~^ ERROR: consider using an `AtomicU8` instead of a `Mutex` here; if you just wan
    Mutex::new(0i16);
    //~^ ERROR: consider using an `AtomicI16` instead of a `Mutex` here; if you just wan
    let _x: Mutex<i8> = Mutex::new(0);
    //~^ ERROR: consider using an `AtomicI8` instead of a `Mutex` here; if you just wan
    const X: i64 = 0;
    Mutex::new(X);
    //~^ ERROR: consider using an `AtomicI64` instead of a `Mutex` here; if you just wan

    // there are no 128 atomics, so these two should not lint
    {
        Mutex::new(0u128);
        let _x: Mutex<i128> = Mutex::new(0);
    }
}