rust/tests/ui/consts/issue-17718.rs

76 lines
1.7 KiB
Rust

//@ run-pass
#![allow(dead_code)]
//@ aux-build:issue-17718-aux.rs
extern crate issue_17718_aux as other;
use std::sync::atomic::{AtomicUsize, Ordering};
const C1: usize = 1;
const C2: AtomicUsize = AtomicUsize::new(0);
const C3: fn() = foo;
const C4: usize = C1 * C1 + C1 / C1;
const C5: &'static usize = &C4;
const C6: usize = {
const C: usize = 3;
C
};
static S1: usize = 3;
static S2: AtomicUsize = AtomicUsize::new(0);
mod test {
static A: usize = 4;
static B: &'static usize = &A;
static C: &'static usize = &(A);
}
fn foo() {}
fn main() {
assert_eq!(C1, 1);
assert_eq!(C3(), ());
assert_eq!(C2.fetch_add(1, Ordering::SeqCst), 0);
assert_eq!(C2.fetch_add(1, Ordering::SeqCst), 0);
assert_eq!(C4, 2);
assert_eq!(*C5, 2);
assert_eq!(C6, 3);
assert_eq!(S1, 3);
assert_eq!(S2.fetch_add(1, Ordering::SeqCst), 0);
assert_eq!(S2.fetch_add(1, Ordering::SeqCst), 1);
match 1 {
C1 => {}
_ => unreachable!(),
}
let _a = C1;
let _a = C2;
let _a = C3;
let _a = C4;
let _a = C5;
let _a = C6;
let _a = S1;
assert_eq!(other::C1, 1);
assert_eq!(other::C3(), ());
assert_eq!(other::C2.fetch_add(1, Ordering::SeqCst), 0);
assert_eq!(other::C2.fetch_add(1, Ordering::SeqCst), 0);
assert_eq!(other::C4, 2);
assert_eq!(*other::C5, 2);
assert_eq!(other::S1, 3);
assert_eq!(other::S2.fetch_add(1, Ordering::SeqCst), 0);
assert_eq!(other::S2.fetch_add(1, Ordering::SeqCst), 1);
let _a = other::C1;
let _a = other::C2;
let _a = other::C3;
let _a = other::C4;
let _a = other::C5;
match 1 {
other::C1 => {}
_ => unreachable!(),
}
}