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| Current File : //proc/thread-self/root/home/ubuntu/node-v16.18.1/test/parallel/test-buffer-zero-fill-cli.js |
'use strict';
// Flags: --zero-fill-buffers
// when using --zero-fill-buffers, every Buffer and SlowBuffer
// instance must be zero filled upon creation
require('../common');
const SlowBuffer = require('buffer').SlowBuffer;
const assert = require('assert');
function isZeroFilled(buf) {
for (const n of buf)
if (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 (let i = 0; i < 50; i++) {
const bufs = [
Buffer.alloc(20),
Buffer.allocUnsafe(20),
SlowBuffer(20),
Buffer(20),
new SlowBuffer(20),
];
for (const buf of bufs) {
assert(isZeroFilled(buf));
}
}
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