public function testReleaseMemory2()
{
$usage = memory_get_usage();
$prev = null;
for ($i = 0; $i < 1000; ++$i) {
$obj = $this->container->test2;
if ($prev) {
$this->assertSame($obj, $prev);
}
$prev = $obj;
unset($obj);
}
unset($prev);
$this->assertGreaterThan(1024000, memory_get_usage() - $usage);
$this->container->release('test2');
$this->assertLessThan(50000, memory_get_usage() - $usage);
}