public function testLoadAvg()
{
$snapshot = new Snapshot(__DIR__ . '/fakeproc');
$load = $snapshot->loadavg();
$count = count($load);
$this->assertEquals($count, 3);
$this->assertEquals($load[0], 0.0);
$this->assertEquals($load[1], 0.01);
$this->assertEquals($load[2], 0.05);
}