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| 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 } | |
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