rust/src/test/run-pass/assign-assign.rs
2012-12-10 17:32:58 -08:00

33 lines
928 B
Rust

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Issue 483 - Assignment expressions result in nil
fn test_assign() {
let mut x: int;
let mut y: () = x = 10;
assert (x == 10);
let mut z = x = 11;
assert (x == 11);
z = x = 12;
assert (x == 12);
}
fn test_assign_op() {
let mut x: int = 0;
let mut y: () = x += 10;
assert (x == 10);
let mut z = x += 11;
assert (x == 21);
z = x += 12;
assert (x == 33);
}
fn main() { test_assign(); test_assign_op(); }