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

   1 // Copyright 2014 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
  12 macro_rules! assert_approx_eq {
  13     ($a:expr, $b:expr) => ({
  14         let (a, b) = (&$a, &$b);
  15         assert!((*a - *b).abs() < 1.0e-6,
  16                 "{} is not approximately equal to {}", *a, *b);
  17     })
  18 }
  19
  20 static A: isize = -4 + 3;
  21 static A2: usize = 3 + 3;
  22 static B: f64 = 3.0 + 2.7;
  23
  24 static C: isize = 3 - 4;
  25 static D: usize = 3 - 3;
  26 static E: f64 = 3.0 - 2.7;
  27
  28 static E2: isize = -3 * 3;
  29 static F: usize = 3 * 3;
  30 static G: f64 = 3.3 * 3.3;
  31
  32 static H: isize = 3 / -1;
  33 static I: usize = 3 / 3;
  34 static J: f64 = 3.3 / 3.3;
  35
  36 static N: bool = true && false;
  37
  38 static O: bool = true || false;
  39
  40 static P: isize = 3 & 1;
  41 static Q: usize = 1 & 3;
  42
  43 static R: isize = 3 | 1;
  44 static S: usize = 1 | 3;
  45
  46 static T: isize = 3 ^ 1;
  47 static U: usize = 1 ^ 3;
  48
  49 static V: isize = 1 << 3;
  50
  51 // NOTE: better shr coverage
  52 static W: isize = 1024 >> 4;
  53 static X: usize = 1024 >> 4;
  54
  55 static Y: bool = 1 == 1;
  56 static Z: bool = 1.0f64 == 1.0;
  57
  58 static AA: bool = 1 <= 2;
  59 static AB: bool = -1 <= 2;
  60 static AC: bool = 1.0f64 <= 2.0;
  61
  62 static AD: bool = 1 < 2;
  63 static AE: bool = -1 < 2;
  64 static AF: bool = 1.0f64 < 2.0;
  65
  66 static AG: bool = 1 != 2;
  67 static AH: bool = -1 != 2;
  68 static AI: bool = 1.0f64 != 2.0;
  69
  70 static AJ: bool = 2 >= 1;
  71 static AK: bool = 2 >= -2;
  72 static AL: bool = 1.0f64 >= -2.0;
  73
  74 static AM: bool = 2 > 1;
  75 static AN: bool = 2 > -2;
  76 static AO: bool = 1.0f64 > -2.0;
  77
  78 pub fn main() {
  79     assert_eq!(A, -1);
  80     assert_eq!(A2, 6);
  81     assert_approx_eq!(B, 5.7);
  82
  83     assert_eq!(C, -1);
  84     assert_eq!(D, 0);
  85     assert_approx_eq!(E, 0.3);
  86
  87     assert_eq!(E2, -9);
  88     assert_eq!(F, 9);
  89     assert_approx_eq!(G, 10.89);
  90
  91     assert_eq!(H, -3);
  92     assert_eq!(I, 1);
  93     assert_approx_eq!(J, 1.0);
  94
  95     assert_eq!(N, false);
  96
  97     assert_eq!(O, true);
  98
  99     assert_eq!(P, 1);
 100     assert_eq!(Q, 1);
 101
 102     assert_eq!(R, 3);
 103     assert_eq!(S, 3);
 104
 105     assert_eq!(T, 2);
 106     assert_eq!(U, 2);
 107
 108     assert_eq!(V, 8);
 109
 110     assert_eq!(W, 64);
 111     assert_eq!(X, 64);
 112
 113     assert_eq!(Y, true);
 114     assert_eq!(Z, true);
 115
 116     assert_eq!(AA, true);
 117     assert_eq!(AB, true);
 118     assert_eq!(AC, true);
 119
 120     assert_eq!(AD, true);
 121     assert_eq!(AE, true);
 122     assert_eq!(AF, true);
 123
 124     assert_eq!(AG, true);
 125     assert_eq!(AH, true);
 126     assert_eq!(AI, true);
 127
 128     assert_eq!(AJ, true);
 129     assert_eq!(AK, true);
 130     assert_eq!(AL, true);
 131
 132     assert_eq!(AM, true);
 133     assert_eq!(AN, true);
 134     assert_eq!(AO, true);
 135 }