705cb7fb70
Add microbenchmark for these methods. BUG=v8:4663 LOG=N R=adamk@chromium.org, littledan@chrommium.org Review URL: https://codereview.chromium.org/1746383003 Cr-Commit-Position: refs/heads/master@{#34556}
76 lines
1.8 KiB
JavaScript
76 lines
1.8 KiB
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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new BenchmarkSuite('Entries', [1000], [
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new Benchmark('Basic', false, false, 0, Basic, BasicSetup, BasicTearDown)
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]);
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var object;
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var expected;
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var result;
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var symbol1;
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function Basic() {
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result = Object.entries(object);
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}
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function BasicSetup() {
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result = undefined;
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symbol1 = Symbol('test');
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object = { a: 10 };
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object[26.0] = 'third';
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object.b = 72;
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object[symbol1] = 'TEST';
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Object.defineProperty(object, 'not-enumerable', {
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enumerable: false, value: 'nope', writable: true, configurable: true });
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}
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function BasicTearDown() {
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result = result.map(entry => `[${[String(entry[0]), String(entry[1])]}]`);
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return result.length === 3 &&
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result.join(', ') === '[a, 10], [26.0, third], [b, 72]';
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}
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// ----------------------------------------------------------------------------
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new BenchmarkSuite('EntriesMegamorphic', [1000], [
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new Benchmark('BasicMegamorphic', false, false, 0, BasicMegamorphic,
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BasicMegamorphicSetup, BasicMegamorphicTearDown)
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]);
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function BasicMegamorphic() {
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for (var i = 0; i < object.length; ++i) {
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result[i] = Object.entries(object[i]);
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}
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}
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function BasicMegamorphicSetup() {
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// Create 1k objects with different maps.
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object = [];
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expected = [];
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result = [];
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for (var i=0; i<1000; i++) {
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var obj = {};
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var exp = [];
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for (var j=0; j<10; j++) {
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obj['key-'+i+'-'+j] = 'property-'+i+'-'+j;
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exp[j] = ['key-'+i+'-'+j, 'property-'+i+'-'+j];
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}
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object[i] = obj;
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expected[i] = exp;
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}
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}
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function BasicMegamorphicTearDown() {
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if (JSON.stringify(expected) !== JSON.stringify(result)) {
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throw new Error("FAILURE");
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}
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object = result = expected = undefined;
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return true;
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}
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