forked from zhurui/management
36 lines
801 B
JavaScript
36 lines
801 B
JavaScript
|
'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));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|