src/tools/miri/tests/run-pass/binops.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // Binop corner cases
  12
  13 fn test_nil() {
  14     assert_eq!((), ());
  15     assert!((!(() != ())));
  16     assert!((!(() < ())));
  17     assert!((() <= ()));
  18     assert!((!(() > ())));
  19     assert!((() >= ()));
  20 }
  21
  22 fn test_bool() {
  23     assert!((!(true < false)));
  24     assert!((!(true <= false)));
  25     assert!((true > false));
  26     assert!((true >= false));
  27
  28     assert!((false < true));
  29     assert!((false <= true));
  30     assert!((!(false > true)));
  31     assert!((!(false >= true)));
  32
  33     // Bools support bitwise binops
  34     assert_eq!(false & false, false);
  35     assert_eq!(true & false, false);
  36     assert_eq!(true & true, true);
  37     assert_eq!(false | false, false);
  38     assert_eq!(true | false, true);
  39     assert_eq!(true | true, true);
  40     assert_eq!(false ^ false, false);
  41     assert_eq!(true ^ false, true);
  42     assert_eq!(true ^ true, false);
  43 }
  44
  45 fn test_ptr() {
  46     unsafe {
  47         let p1: *const u8 = ::std::mem::transmute(0_usize);
  48         let p2: *const u8 = ::std::mem::transmute(0_usize);
  49         let p3: *const u8 = ::std::mem::transmute(1_usize);
  50
  51         assert_eq!(p1, p2);
  52         assert!(p1 != p3);
  53         assert!(p1 < p3);
  54         assert!(p1 <= p3);
  55         assert!(p3 > p1);
  56         assert!(p3 >= p3);
  57         assert!(p1 <= p2);
  58         assert!(p1 >= p2);
  59     }
  60 }
  61
  62 #[derive(PartialEq, Debug)]
  63 struct P {
  64     x: isize,
  65     y: isize,
  66 }
  67
  68 fn p(x: isize, y: isize) -> P {
  69     P {
  70         x: x,
  71         y: y
  72     }
  73 }
  74
  75 fn test_class() {
  76   let q = p(1, 2);
  77   let mut r = p(1, 2);
  78
  79   assert_eq!(q, r);
  80   r.y = 17;
  81   assert!((r.y != q.y));
  82   assert_eq!(r.y, 17);
  83   assert!((q != r));
  84 }
  85
  86 pub fn main() {
  87     test_nil();
  88     test_bool();
  89     test_ptr();
  90     test_class();
  91 }