summaryrefslogtreecommitdiffstats
path: root/src/test/ui/assign-assign.rs
blob: bcf506b398b9e9e6f8b1164c8b4ab3346d5eade6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// run-pass
// Issue 483 - Assignment expressions result in nil

fn test_assign() {
    let mut x: isize;
    let y: () = x = 10;
    assert_eq!(x, 10);
    assert_eq!(y, ());
    let mut z = x = 11;
    assert_eq!(x, 11);
    assert_eq!(z, ());
    z = x = 12;
    assert_eq!(x, 12);
    assert_eq!(z, ());
}

fn test_assign_op() {
    let mut x: isize = 0;
    let y: () = x += 10;
    assert_eq!(x, 10);
    assert_eq!(y, ());
    let mut z = x += 11;
    assert_eq!(x, 21);
    assert_eq!(z, ());
    z = x += 12;
    assert_eq!(x, 33);
    assert_eq!(z, ());
}

pub fn main() { test_assign(); test_assign_op(); }