314517106a
This reverts commit 99c0410b10.
TBR=bmeurer@chromium.org
Bug: v8:7611
Change-Id: I3f75631e1d15173d2679a3bd37ef05e56e4a28e2
Reviewed-on: https://chromium-review.googlesource.com/995581
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52362}
102 lines
2.8 KiB
JavaScript
102 lines
2.8 KiB
JavaScript
// Copyright 2018 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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const input = {
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a: 1,
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b: 2,
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c: 3,
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['d']: 4,
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1: 5
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};
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// ----------------------------------------------------------------------------
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// Benchmark: Babel
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// ----------------------------------------------------------------------------
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function _extends(target) {
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for (var i = 1; i < arguments.length; i++) {
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var source = arguments[i];
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for (var key in source) {
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if (Object.prototype.hasOwnProperty.call(source, key)) {
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target[key] = source[key];
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}
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}
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}
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return target;
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};
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function Babel() {
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const result = _extends({}, input);
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if (Object.keys(result).length != 5) throw 666;
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}
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function BabelAndOverwrite() {
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const result = _extends({}, input, {a: 6});
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if (Object.keys(result).length != 5) throw 666;
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}
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// ----------------------------------------------------------------------------
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// Benchmark: Object.assign
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// ----------------------------------------------------------------------------
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function ObjectAssign() {
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const result = Object.assign({}, input);
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if (Object.keys(result).length != 5) throw 666;
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}
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function ObjectAssignAndOverwrite() {
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const result = Object.assign({}, input, {a : 6});
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if (Object.keys(result).length != 5) throw 666;
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}
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// ----------------------------------------------------------------------------
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// Benchmark: Object.assign
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// ----------------------------------------------------------------------------
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function ObjectSpread() {
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const result = { ...input };
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if (Object.keys(result).length != 5) throw 666;
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}
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function ObjectSpreadAndOverwrite() {
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const result = { ...input, a: 6 };
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if (Object.keys(result).length != 5) throw 666;
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}
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// ----------------------------------------------------------------------------
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// Setup and Run
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// ----------------------------------------------------------------------------
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load('../base.js');
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var success = true;
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function PrintResult(name, result) {
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print(name + '-ObjectLiteralSpread(Score): ' + result);
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}
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function PrintError(name, error) {
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PrintResult(name, error);
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success = false;
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}
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function CreateBenchmark(name, f) {
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new BenchmarkSuite(name, [100], [ new Benchmark(name, false, false, 0, f) ]);
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}
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CreateBenchmark('Babel', Babel);
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CreateBenchmark('BabelAndOverwrite', BabelAndOverwrite);
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CreateBenchmark('ObjectAssign', ObjectAssign);
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CreateBenchmark('ObjectAssignAndOverwrite', ObjectAssignAndOverwrite);
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CreateBenchmark('ObjectSpread', ObjectSpread);
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CreateBenchmark('ObjectSpreadAndOverwrite', ObjectSpreadAndOverwrite);
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BenchmarkSuite.config.doWarmup = undefined;
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BenchmarkSuite.config.doDeterministic = undefined;
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BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});
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