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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function setupArray(length) {
var a = new Array(length);
for (var i=0;i<length;i++) {
a[i] = ''+i;
}
return Object.freeze(a);
}
const frozenSpreadArray = setupArray(100);
function foo() {
var result = arguments[0];
for (var i = 1; i < arguments.length; ++i) {
result += arguments[i];
}
return result;
}
// ----------------------------------------------------------------------------
// Benchmark: SpreadCall
// ----------------------------------------------------------------------------
function SpreadCall() {
foo(...frozenSpreadArray);
}
// ----------------------------------------------------------------------------
// Benchmark: SpreadCallSpreadLiteral
// ----------------------------------------------------------------------------
function SpreadCallSpreadLiteral() {
foo(...[...frozenSpreadArray]);
}
// ----------------------------------------------------------------------------
// Benchmark: ApplySpreadLiteral
// ----------------------------------------------------------------------------
function ApplySpreadLiteral() {
foo.apply(this, [...frozenSpreadArray]);
}
// ----------------------------------------------------------------------------
// Setup and Run
// ----------------------------------------------------------------------------
function CreateBenchmark(name, f) {
new BenchmarkSuite(name, [10], [ new Benchmark(name, false, false, 0, f) ]);
}
CreateBenchmark('ApplySpreadLiteral', ApplySpreadLiteral);
CreateBenchmark('SpreadCall', SpreadCall);
CreateBenchmark('SpreadCallSpreadLiteral', SpreadCallSpreadLiteral);
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