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