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alert / js / node_modules / buffer / test / node / test-buffer-safe-unsafe.js
@Réz István Réz István on 18 Nov 2021 540 bytes first commit
'use strict';
var Buffer = require('../../').Buffer;



var assert = require('assert');

var safe = Buffer.alloc(10);

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

assert(isZeroFilled(safe));

// Test that unsafe allocations doesn't affect subsequent safe allocations
Buffer.allocUnsafe(10);
assert(isZeroFilled(new Float64Array(10)));

new Buffer(10);
assert(isZeroFilled(new Float64Array(10)));

Buffer.allocUnsafe(10);
assert(isZeroFilled(Buffer.alloc(10)));