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59 lines
1.3 KiB
59 lines
1.3 KiB
'use strict';
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const common = require('../common.js');
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const assert = require('assert');
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const bench = common.createBenchmark(main, {
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method: ['apply', 'spread', 'call-spread'],
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count: [5, 10, 20],
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context: ['context', 'null'],
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rest: [0, 1],
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millions: [5]
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});
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function makeTest(count, rest) {
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if (rest) {
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return function test(...args) {
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assert.strictEqual(count, args.length);
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};
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} else {
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return function test() {
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assert.strictEqual(count, arguments.length);
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};
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}
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}
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function main(conf) {
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const n = +conf.millions * 1e6;
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const ctx = conf.context === 'context' ? {} : null;
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var fn = makeTest(conf.count, conf.rest);
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const args = new Array(conf.count);
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var i;
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for (i = 0; i < conf.count; i++)
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args[i] = i;
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switch (conf.method) {
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case 'apply':
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bench.start();
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for (i = 0; i < n; i++)
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fn.apply(ctx, args);
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bench.end(n / 1e6);
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break;
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case 'spread':
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if (ctx !== null)
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fn = fn.bind(ctx);
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bench.start();
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for (i = 0; i < n; i++)
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fn(...args);
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bench.end(n / 1e6);
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break;
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case 'call-spread':
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bench.start();
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for (i = 0; i < n; i++)
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fn.call(ctx, ...args);
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bench.end(n / 1e6);
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break;
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default:
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throw new Error('Unexpected method');
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}
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}
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