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WIKIPEDIA
/
sandbox
/
node_modules
/
buffer
/
test
/
node
:
test-buffer-zero-fill-cli.js
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'use strict'; var Buffer = require('../../').Buffer; // Flags: --zero-fill-buffers // when using --zero-fill-buffers, every Buffer and SlowBuffer // instance must be zero filled upon creation var SlowBuffer = require('../../').SlowBuffer; var assert = require('assert'); function isZeroFilled(buf) { for (var n = 0; n < buf.length; n++) if (buf[n] > 0) return false; return true; } // This can be somewhat unreliable because the // allocated memory might just already happen to // contain all zeroes. The test is run multiple // times to improve the reliability. for (var i = 0; i < 50; i++) { var bufs = [ Buffer.alloc(20), Buffer.allocUnsafe(20), SlowBuffer(20), Buffer(20), new SlowBuffer(20) ]; for (var buf of bufs) { assert(isZeroFilled(buf)); } }