src/libcollections/benches/linked_list.rs

   1 // Copyright 2017 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::collections::LinkedList;
  12 use test::Bencher;
  13
  14 #[bench]
  15 fn bench_collect_into(b: &mut Bencher) {
  16     let v = &[0; 64];
  17     b.iter(|| {
  18         let _: LinkedList<_> = v.iter().cloned().collect();
  19     })
  20 }
  21
  22 #[bench]
  23 fn bench_push_front(b: &mut Bencher) {
  24     let mut m: LinkedList<_> = LinkedList::new();
  25     b.iter(|| {
  26         m.push_front(0);
  27     })
  28 }
  29
  30 #[bench]
  31 fn bench_push_back(b: &mut Bencher) {
  32     let mut m: LinkedList<_> = LinkedList::new();
  33     b.iter(|| {
  34         m.push_back(0);
  35     })
  36 }
  37
  38 #[bench]
  39 fn bench_push_back_pop_back(b: &mut Bencher) {
  40     let mut m: LinkedList<_> = LinkedList::new();
  41     b.iter(|| {
  42         m.push_back(0);
  43         m.pop_back();
  44     })
  45 }
  46
  47 #[bench]
  48 fn bench_push_front_pop_front(b: &mut Bencher) {
  49     let mut m: LinkedList<_> = LinkedList::new();
  50     b.iter(|| {
  51         m.push_front(0);
  52         m.pop_front();
  53     })
  54 }
  55
  56 #[bench]
  57 fn bench_iter(b: &mut Bencher) {
  58     let v = &[0; 128];
  59     let m: LinkedList<_> = v.iter().cloned().collect();
  60     b.iter(|| {
  61         assert!(m.iter().count() == 128);
  62     })
  63 }
  64 #[bench]
  65 fn bench_iter_mut(b: &mut Bencher) {
  66     let v = &[0; 128];
  67     let mut m: LinkedList<_> = v.iter().cloned().collect();
  68     b.iter(|| {
  69         assert!(m.iter_mut().count() == 128);
  70     })
  71 }
  72 #[bench]
  73 fn bench_iter_rev(b: &mut Bencher) {
  74     let v = &[0; 128];
  75     let m: LinkedList<_> = v.iter().cloned().collect();
  76     b.iter(|| {
  77         assert!(m.iter().rev().count() == 128);
  78     })
  79 }
  80 #[bench]
  81 fn bench_iter_mut_rev(b: &mut Bencher) {
  82     let v = &[0; 128];
  83     let mut m: LinkedList<_> = v.iter().cloned().collect();
  84     b.iter(|| {
  85         assert!(m.iter_mut().rev().count() == 128);
  86     })
  87 }