| 
 | 1 | +'use strict';  | 
 | 2 | + | 
 | 3 | +const common = require('../common.js');  | 
 | 4 | +const assert = require('assert');  | 
 | 5 | + | 
 | 6 | +const bench = common.createBenchmark(main, {  | 
 | 7 | +  n: [25],  | 
 | 8 | +  size: [500],  | 
 | 9 | +  extraProps: [0],  | 
 | 10 | +  datasetName: [  | 
 | 11 | +    'objects',  | 
 | 12 | +    'sets',  | 
 | 13 | +    'maps',  | 
 | 14 | +    'circularRefs',  | 
 | 15 | +    'typedArrays',  | 
 | 16 | +    'arrayBuffers',  | 
 | 17 | +    'dataViewArrayBuffers',  | 
 | 18 | +    'array',  | 
 | 19 | +  ],  | 
 | 20 | +});  | 
 | 21 | + | 
 | 22 | +function createArray(length, extraProps) {  | 
 | 23 | +  if (extraProps) {  | 
 | 24 | +    return Array.from({ length: length * 4 }, (_, i) => i);  | 
 | 25 | +  }  | 
 | 26 | +  return Array.from({ length }, (_, i) => i * 4);  | 
 | 27 | +}  | 
 | 28 | + | 
 | 29 | +function createObjects(length, extraProps, depth = 0) {  | 
 | 30 | +  return Array.from({ length }, (_, i) => ({  | 
 | 31 | +    foo: 'yarp',  | 
 | 32 | +    nope: {  | 
 | 33 | +      bar: '123',  | 
 | 34 | +      ...extraProps ? { a: [1, 2, i] } : {},  | 
 | 35 | +      c: {},  | 
 | 36 | +      b: !depth ? createObjects(2, extraProps, depth + 1) : [],  | 
 | 37 | +    },  | 
 | 38 | +  }));  | 
 | 39 | +}  | 
 | 40 | + | 
 | 41 | +function createSets(length, extraProps, depth = 0) {  | 
 | 42 | +  return Array.from({ length }, (_, i) => new Set([  | 
 | 43 | +    'yarp',  | 
 | 44 | +    ...extraProps ? ['123', 1, 2] : [],  | 
 | 45 | +    i + 3,  | 
 | 46 | +    null,  | 
 | 47 | +    {  | 
 | 48 | +      simple: 'object',  | 
 | 49 | +      number: i,  | 
 | 50 | +    },  | 
 | 51 | +    ['array', 'with', 'values'],  | 
 | 52 | +    !depth ? new Set([1, 2, { nested: i }]) : new Set(),  | 
 | 53 | +    !depth ? createSets(2, extraProps, depth + 1) : null,  | 
 | 54 | +  ]));  | 
 | 55 | +}  | 
 | 56 | + | 
 | 57 | +function createMaps(length, extraProps, depth = 0) {  | 
 | 58 | +  return Array.from({ length }, (_, i) => new Map([  | 
 | 59 | +    ...extraProps ? [['primitiveKey', 'primitiveValue']] : [],  | 
 | 60 | +    [42, 'numberKey'],  | 
 | 61 | +    ['objectValue', { a: 1, b: i }],  | 
 | 62 | +    ['arrayValue', [1, 2, i]],  | 
 | 63 | +    ['nestedMap', new Map([['a', i], ['b', { deep: true }]])],  | 
 | 64 | +    [{ objectKey: true }, 'value from object key'],  | 
 | 65 | +    [[1, i, 3], 'value from array key'],  | 
 | 66 | +    [!depth ? createMaps(2, extraProps, depth + 1) : null, 'recursive value' + i],  | 
 | 67 | +  ]));  | 
 | 68 | +}  | 
 | 69 | + | 
 | 70 | +function createCircularRefs(length, extraProps) {  | 
 | 71 | +  return Array.from({ length }, (_, i) => {  | 
 | 72 | +    const circularSet = new Set();  | 
 | 73 | +    const circularMap = new Map();  | 
 | 74 | +    const circularObj = { name: 'circular object' };  | 
 | 75 | + | 
 | 76 | +    circularSet.add('some value' + i);  | 
 | 77 | +    circularSet.add(circularSet);  | 
 | 78 | + | 
 | 79 | +    circularMap.set('self', circularMap);  | 
 | 80 | +    circularMap.set('value', 'regular value');  | 
 | 81 | + | 
 | 82 | +    circularObj.self = circularObj;  | 
 | 83 | + | 
 | 84 | +    const objA = { name: 'A' };  | 
 | 85 | +    const objB = { name: 'B' };  | 
 | 86 | +    objA.ref = objB;  | 
 | 87 | +    objB.ref = objA;  | 
 | 88 | + | 
 | 89 | +    circularSet.add(objA);  | 
 | 90 | +    circularMap.set('objB', objB);  | 
 | 91 | + | 
 | 92 | +    return {  | 
 | 93 | +      circularSet,  | 
 | 94 | +      circularMap,  | 
 | 95 | +      ...extraProps ? { extra: i } : {},  | 
 | 96 | +      circularObj,  | 
 | 97 | +      objA,  | 
 | 98 | +      objB,  | 
 | 99 | +    };  | 
 | 100 | +  });  | 
 | 101 | +}  | 
 | 102 | + | 
 | 103 | +function createTypedArrays(length, extraParts) {  | 
 | 104 | +  const extra = extraParts ? [9, 8, 7] : [];  | 
 | 105 | +  return Array.from({ length }, (_, i) => {  | 
 | 106 | +    return {  | 
 | 107 | +      uint8: new Uint8Array(new ArrayBuffer(32), 4, 4),  | 
 | 108 | +      int16: new Int16Array([1, 2, ...extra, 3]),  | 
 | 109 | +      uint32: new Uint32Array([i + 1, i + 2, ...extra, i + 3]),  | 
 | 110 | +      float64: new Float64Array([1.1, 2.2, ...extra, i + 3.3]),  | 
 | 111 | +      bigUint64: new BigUint64Array([1n, 2n, 3n]),  | 
 | 112 | +    };  | 
 | 113 | +  });  | 
 | 114 | +}  | 
 | 115 | + | 
 | 116 | +function createArrayBuffers(length, extra) {  | 
 | 117 | +  return Array.from({ length }, (_, n) => new ArrayBuffer(n + extra ? 1 : 0));  | 
 | 118 | +}  | 
 | 119 | + | 
 | 120 | +function createDataViewArrayBuffers(length, extra) {  | 
 | 121 | +  return Array.from({ length }, (_, n) => new DataView(new ArrayBuffer(n + extra ? 1 : 0)));  | 
 | 122 | +}  | 
 | 123 | + | 
 | 124 | +const datasetMappings = {  | 
 | 125 | +  objects: createObjects,  | 
 | 126 | +  sets: createSets,  | 
 | 127 | +  maps: createMaps,  | 
 | 128 | +  circularRefs: createCircularRefs,  | 
 | 129 | +  typedArrays: createTypedArrays,  | 
 | 130 | +  arrayBuffers: createArrayBuffers,  | 
 | 131 | +  dataViewArrayBuffers: createDataViewArrayBuffers,  | 
 | 132 | +  array: createArray,  | 
 | 133 | +};  | 
 | 134 | + | 
 | 135 | +function getDatasets(datasetName, size, extra) {  | 
 | 136 | +  return {  | 
 | 137 | +    actual: datasetMappings[datasetName](size, true),  | 
 | 138 | +    expected: datasetMappings[datasetName](size, !extra),  | 
 | 139 | +  };  | 
 | 140 | +}  | 
 | 141 | + | 
 | 142 | +function main({ size, n, datasetName, extraProps }) {  | 
 | 143 | +  const { actual, expected } = getDatasets(datasetName, size, extraProps);  | 
 | 144 | + | 
 | 145 | +  bench.start();  | 
 | 146 | +  for (let i = 0; i < n; ++i) {  | 
 | 147 | +    assert.partialDeepStrictEqual(actual, expected);  | 
 | 148 | +  }  | 
 | 149 | +  bench.end(n);  | 
 | 150 | +}  | 
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