Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | |
| 6 | var MapBenchmark = new BenchmarkSuite('Map', [1000], [ |
| 7 | new Benchmark('Set', false, false, 0, MapSet), |
| 8 | new Benchmark('Has', false, false, 0, MapHas, MapSetup, MapTearDown), |
| 9 | new Benchmark('Get', false, false, 0, MapGet, MapSetup, MapTearDown), |
| 10 | new Benchmark('Delete', false, false, 0, MapDelete, MapSetup, MapTearDown), |
| 11 | new Benchmark('ForEach', false, false, 0, MapForEach, MapSetup, MapTearDown), |
| 12 | ]); |
| 13 | |
| 14 | |
| 15 | var map; |
| 16 | var N = 10; |
| 17 | |
| 18 | |
| 19 | function MapSetup() { |
| 20 | map = new Map; |
| 21 | for (var i = 0; i < N; i++) { |
| 22 | map.set(i, i); |
| 23 | } |
| 24 | } |
| 25 | |
| 26 | |
| 27 | function MapTearDown() { |
| 28 | map = null; |
| 29 | } |
| 30 | |
| 31 | |
| 32 | function MapSet() { |
| 33 | MapSetup(); |
| 34 | MapTearDown(); |
| 35 | } |
| 36 | |
| 37 | |
| 38 | function MapHas() { |
| 39 | for (var i = 0; i < N; i++) { |
| 40 | if (!map.has(i)) { |
| 41 | throw new Error(); |
| 42 | } |
| 43 | } |
| 44 | for (var i = N; i < 2 * N; i++) { |
| 45 | if (map.has(i)) { |
| 46 | throw new Error(); |
| 47 | } |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | |
| 52 | function MapGet() { |
| 53 | for (var i = 0; i < N; i++) { |
| 54 | if (map.get(i) !== i) { |
| 55 | throw new Error(); |
| 56 | } |
| 57 | } |
| 58 | for (var i = N; i < 2 * N; i++) { |
| 59 | if (map.get(i) !== undefined) { |
| 60 | throw new Error(); |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | |
| 66 | function MapDelete() { |
| 67 | // This is run more than once per setup so we will end up deleting items |
| 68 | // more than once. Therefore, we do not the return value of delete. |
| 69 | for (var i = 0; i < N; i++) { |
| 70 | map.delete(i); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | |
| 75 | function MapForEach() { |
| 76 | map.forEach(function(v, k) { |
| 77 | if (v !== k) { |
| 78 | throw new Error(); |
| 79 | } |
| 80 | }); |
| 81 | } |