src/libcoretest/tuple.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 use std::cmp::Ordering::{Equal, Less, Greater};
  12
  13 #[test]
  14 fn test_clone() {
  15     let a = (1, "2");
  16     let b = a.clone();
  17     assert_eq!(a, b);
  18 }
  19
  20 #[test]
  21 fn test_tuple_cmp() {
  22     let (small, big) = ((1, 2, 3), (3, 2, 1));
  23
  24     let nan = 0.0f64/0.0;
  25
  26     // PartialEq
  27     assert_eq!(small, small);
  28     assert_eq!(big, big);
  29     assert!(small != big);
  30     assert!(big != small);
  31
  32     // PartialOrd
  33     assert!(small < big);
  34     assert!(!(small < small));
  35     assert!(!(big < small));
  36     assert!(!(big < big));
  37
  38     assert!(small <= small);
  39     assert!(big <= big);
  40
  41     assert!(big > small);
  42     assert!(small >= small);
  43     assert!(big >= small);
  44     assert!(big >= big);
  45
  46     assert!(!((1.0f64, 2.0f64) < (nan, 3.0)));
  47     assert!(!((1.0f64, 2.0f64) <= (nan, 3.0)));
  48     assert!(!((1.0f64, 2.0f64) > (nan, 3.0)));
  49     assert!(!((1.0f64, 2.0f64) >= (nan, 3.0)));
  50     assert!(((1.0f64, 2.0f64) < (2.0, nan)));
  51     assert!(!((2.0f64, 2.0f64) < (2.0, nan)));
  52
  53     // Ord
  54     assert!(small.cmp(&small) == Equal);
  55     assert!(big.cmp(&big) == Equal);
  56     assert!(small.cmp(&big) == Less);
  57     assert!(big.cmp(&small) == Greater);
  58 }
  59
  60 #[test]
  61 fn test_show() {
  62     let s = format!("{:?}", (1,));
  63     assert_eq!(s, "(1,)");
  64     let s = format!("{:?}", (1, true));
  65     assert_eq!(s, "(1, true)");
  66     let s = format!("{:?}", (1, "hi", true));
  67     assert_eq!(s, "(1, \"hi\", true)");
  68 }