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'use strict';
// Flags: --expose_gc
function newBuffer(size, value) {
var buffer = new Buffer(size);
while (size--) {
buffer[size] = value;
}
//buffer[buffer.length-2]= 0x0d;
buffer[buffer.length - 1] = 0x0a;
return buffer;
}
var common = require('../common');
var fs = require('fs');
var testFileName = require('path').join(common.tmpDir, 'GH-814_testFile.txt');
var testFileFD = fs.openSync(testFileName, 'w');
console.log(testFileName);
var kBufSize = 128 * 1024;
var PASS = true;
var neverWrittenBuffer = newBuffer(kBufSize, 0x2e); //0x2e === '.'
var bufPool = [];
var tail = require('child_process').spawn('tail', ['-f', testFileName]);
tail.stdout.on('data', tailCB);
function tailCB(data) {
PASS = data.toString().indexOf('.') < 0;
}
var timeToQuit = Date.now() + 8e3; //Test during no more than this seconds.
(function main() {
if (PASS) {
fs.write(testFileFD, newBuffer(kBufSize, 0x61), 0, kBufSize, -1, cb);
gc();
var nuBuf = new Buffer(kBufSize);
neverWrittenBuffer.copy(nuBuf);
if (bufPool.push(nuBuf) > 100) {
bufPool.length = 0;
}
}
else {
throw new Error("Buffer GC'ed test -> FAIL");
}
if (Date.now() < timeToQuit) {
process.nextTick(main);
}
else {
tail.kill();
console.log("Buffer GC'ed test -> PASS (OK)");
}
})();
function cb(err, written) {
if (err) {
throw err;
}
}
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