aaac7fed
 liuqimichale
add
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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));
}
}
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