1// Copyright 2016 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 5new BenchmarkSuite('Entries', [1000], [ 6 new Benchmark('Basic', false, false, 0, Basic, BasicSetup, BasicTearDown) 7]); 8 9var object; 10var expected; 11var result; 12var symbol1; 13 14function Basic() { 15 result = Object.entries(object); 16} 17 18 19function BasicSetup() { 20 result = undefined; 21 symbol1 = Symbol('test'); 22 object = { a: 10 }; 23 object[26.0] = 'third'; 24 object.b = 72; 25 object[symbol1] = 'TEST'; 26 Object.defineProperty(object, 'not-enumerable', { 27 enumerable: false, value: 'nope', writable: true, configurable: true }); 28} 29 30 31function BasicTearDown() { 32 result = result.map(entry => `[${[String(entry[0]), String(entry[1])]}]`); 33 return result.length === 3 && 34 result.join(', ') === '[a, 10], [26.0, third], [b, 72]'; 35} 36 37// ---------------------------------------------------------------------------- 38 39new BenchmarkSuite('EntriesMegamorphic', [1000], [ 40 new Benchmark('BasicMegamorphic', false, false, 0, BasicMegamorphic, 41 BasicMegamorphicSetup, BasicMegamorphicTearDown) 42]); 43 44function BasicMegamorphic() { 45 for (var i = 0; i < object.length; ++i) { 46 result[i] = Object.entries(object[i]); 47 } 48} 49 50 51function BasicMegamorphicSetup() { 52 // Create 1k objects with different maps. 53 object = []; 54 expected = []; 55 result = []; 56 for (var i=0; i<1000; i++) { 57 var obj = {}; 58 var exp = []; 59 for (var j=0; j<10; j++) { 60 obj['key-'+i+'-'+j] = 'property-'+i+'-'+j; 61 exp[j] = ['key-'+i+'-'+j, 'property-'+i+'-'+j]; 62 } 63 object[i] = obj; 64 expected[i] = exp; 65 } 66} 67 68 69function BasicMegamorphicTearDown() { 70 if (JSON.stringify(expected) !== JSON.stringify(result)) { 71 throw new Error("FAILURE"); 72 } 73 object = result = expected = undefined; 74 return true; 75} 76