rust/src/test/run-pass/binops.rs

// 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.

// Binop corner cases

fn test_nil() {
    assert!((() == ()));
    assert!((!(() != ())));
    assert!((!(() < ())));
    assert!((() <= ()));
    assert!((!(() > ())));
    assert!((() >= ()));
}

fn test_bool() {
    assert!((!(true < false)));
    assert!((!(true <= false)));
    assert!((true > false));
    assert!((true >= false));

    assert!((false < true));
    assert!((false <= true));
    assert!((!(false > true)));
    assert!((!(false >= true)));

    // Bools support bitwise binops
    assert!((false & false == false));
    assert!((true & false == false));
    assert!((true & true == true));
    assert!((false | false == false));
    assert!((true | false == true));
    assert!((true | true == true));
    assert!((false ^ false == false));
    assert!((true ^ false == true));
    assert!((true ^ true == false));
}

fn test_char() {
    let ch10 = 10 as char;
    let ch4 = 4 as char;
    let ch2 = 2 as char;
    assert!((ch10 + ch4 == 14 as char));
    assert!((ch10 - ch4 == 6 as char));
    assert!((ch10 * ch4 == 40 as char));
    assert!((ch10 / ch4 == ch2));
    assert!((ch10 % ch4 == ch2));
    assert!((ch10 >> ch2 == ch2));
    assert!((ch10 << ch4 == 160 as char));
    assert!((ch10 | ch4 == 14 as char));
    assert!((ch10 & ch2 == ch2));
    assert!((ch10 ^ ch2 == 8 as char));
}

fn test_box() {
    assert!((@10 == @10));
}

fn test_ptr() {
    unsafe {
        let p1: *u8 = ::core::cast::transmute(0);
        let p2: *u8 = ::core::cast::transmute(0);
        let p3: *u8 = ::core::cast::transmute(1);

        assert!(p1 == p2);
        assert!(p1 != p3);
        assert!(p1 < p3);
        assert!(p1 <= p3);
        assert!(p3 > p1);
        assert!(p3 >= p3);
        assert!(p1 <= p2);
        assert!(p1 >= p2);
    }
}

mod test {
    #[abi = "cdecl"]
    #[nolink]
    pub extern {
        pub fn rust_get_sched_id() -> libc::intptr_t;
        pub fn get_task_id() -> libc::intptr_t;
    }
}

#[deriving(Eq)]
struct p {
  x: int,
  y: int,
}

fn p(x: int, y: int) -> p {
    p {
        x: x,
        y: y
    }
}

fn test_class() {
  let mut q = p(1, 2);
  let mut r = p(1, 2);
  
  unsafe {
  error!("q = %x, r = %x",
         (::core::cast::transmute::<*p, uint>(&q)),
         (::core::cast::transmute::<*p, uint>(&r)));
  }
  assert!((q == r));
  r.y = 17;
  assert!((r.y != q.y));
  assert!((r.y == 17));
  assert!((q != r));
}

pub fn main() {
    test_nil();
    test_bool();
    test_char();
    test_box();
    test_ptr();
    test_class();
}