mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.0 KiB
104 lines
3.0 KiB
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
'use strict';
|
|
// Flags: --expose_gc
|
|
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
|
|
const fs = require('fs');
|
|
const testFileName = require('path').join(common.tmpDir, 'GH-814_test.txt');
|
|
const testFD = fs.openSync(testFileName, 'w');
|
|
console.error(testFileName + '\n');
|
|
|
|
|
|
const tailProc = require('child_process').spawn('tail', ['-f', testFileName]);
|
|
tailProc.stdout.on('data', tailCB);
|
|
|
|
function tailCB(data) {
|
|
PASS = data.toString().indexOf('.') < 0;
|
|
|
|
if (PASS) {
|
|
//console.error('i');
|
|
} else {
|
|
console.error('[FAIL]\n DATA -> ');
|
|
console.error(data);
|
|
console.error('\n');
|
|
throw new Error('Buffers GC test -> FAIL');
|
|
}
|
|
}
|
|
|
|
|
|
let PASS = true;
|
|
const bufPool = [];
|
|
const kBufSize = 16 * 1024 * 1024;
|
|
const neverWrittenBuffer = newBuffer(kBufSize, 0x2e); //0x2e === '.'
|
|
|
|
const timeToQuit = Date.now() + 5e3; //Test should last no more than this.
|
|
writer();
|
|
|
|
function writer() {
|
|
|
|
if (PASS) {
|
|
if (Date.now() > timeToQuit) {
|
|
setTimeout(function() {
|
|
process.kill(tailProc.pid);
|
|
console.error('\nBuffers GC test -> PASS (OK)\n');
|
|
}, 555);
|
|
} else {
|
|
fs.write(testFD, newBuffer(kBufSize, 0x61), 0, kBufSize, -1, writerCB);
|
|
global.gc();
|
|
global.gc();
|
|
global.gc();
|
|
global.gc();
|
|
global.gc();
|
|
global.gc();
|
|
const nuBuf = Buffer.allocUnsafe(kBufSize);
|
|
neverWrittenBuffer.copy(nuBuf);
|
|
if (bufPool.push(nuBuf) > 100) {
|
|
bufPool.length = 0;
|
|
}
|
|
process.nextTick(writer);
|
|
//console.error('o');
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function writerCB(err, written) {
|
|
//console.error('cb.');
|
|
assert.ifError(err);
|
|
}
|
|
|
|
|
|
// ******************* UTILITIES
|
|
|
|
|
|
function newBuffer(size, value) {
|
|
const buffer = Buffer.allocUnsafe(size);
|
|
while (size--) {
|
|
buffer[size] = value;
|
|
}
|
|
buffer[buffer.length - 1] = 0x0d;
|
|
buffer[buffer.length - 1] = 0x0a;
|
|
return buffer;
|
|
}
|
|
|