test/parallel/test-buffer-safe-unsafe.js


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'use strict';

require('../common');
const assert = require('assert');

const safe = Buffer.alloc(10);

function isZeroFilled(buf) {
  for (let n = 0; n < buf.length; n++)
    if (buf[n] > 0) return false;
  return true;
}

assert(isZeroFilled(safe));