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'use strict';
const assert = require('assert');
module.exports = (compareFunc, firstBufFill, secondBufFill, bufSize) => {
const firstBuffer = Buffer.alloc(bufSize, firstBufFill);
const secondBuffer = Buffer.alloc(bufSize, secondBufFill);
const startTime = process.hrtime();
const result = compareFunc(firstBuffer, secondBuffer);
const endTime = process.hrtime(startTime);
// Ensure that the result of the function call gets used, so it doesn't
// get discarded due to engine optimizations.
assert.strictEqual(result, firstBufFill === secondBufFill);
return endTime[0] * 1e9 + endTime[1];
};