/**
* @covers Model::insertIntoPool
* @covers Model::retrieveFromPool
* @covers Model::removeFromPool
* @covers Model::flushPool
*/
public function testInstancePool()
{
TestModel::insertIntoPool($this->instance);
$this->assertNull(TestModel::retrieveFromPool($this->instance->getId()));
$this->assertEquals(0, TestModel::$_instancePoolCount);
$this->instance->setId(1);
TestModel::insertIntoPool($this->instance);
$this->assertSame($this->instance, TestModel::retrieveFromPool($this->instance->getId()));
TestModel::removeFromPool($this->instance);
$this->assertEquals(0, TestModel::$_instancePoolCount);
TestModel::insertIntoPool($this->instance);
TestModel::insertIntoPool($this->instance);
$this->assertEquals(1, TestModel::$_instancePoolCount);
TestModel::flushPool();
$this->assertNull(TestModel::retrieveFromPool($this->instance->getId()));
$this->assertEquals(0, TestModel::$_instancePoolCount);
}