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40 lines
904 B
40 lines
904 B
'use strict';
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const util = require('util');
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const common = require('../common');
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const v8 = require('v8');
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const bench = common.createBenchmark(main, {
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n: [1e6],
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type: ['string',
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'number',
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'object',
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'unknown',
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'no-replace']
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});
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const inputs = {
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'string': ['Hello, my name is %s', 'fred'],
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'number': ['Hi, I was born in %d', 1942],
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'object': ['An error occurred %j', {msg: 'This is an error', code: 'ERR'}],
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'unknown': ['hello %a', 'test'],
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'no-replace': [1, 2]
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};
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function main(conf) {
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const n = conf.n | 0;
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const type = conf.type;
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const input = inputs[type];
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v8.setFlagsFromString('--allow_natives_syntax');
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util.format(input[0], input[1]);
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eval('%OptimizeFunctionOnNextCall(util.format)');
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util.format(input[0], input[1]);
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bench.start();
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for (var i = 0; i < n; i++) {
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util.format(input[0], input[1]);
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}
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bench.end(n);
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}
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