public function testConstruct()
{
$category = new Category();
$this->assertInstanceOf('Doctrine\\Common\\Collections\\Collection', $category->getTitles());
$this->assertEmpty($category->getTitles()->toArray());
$this->assertInstanceOf('Doctrine\\Common\\Collections\\Collection', $category->getChildCategories());
$this->assertEmpty($category->getChildCategories()->toArray());
$this->assertInstanceOf('Doctrine\\Common\\Collections\\Collection', $category->getProducts());
$this->assertEmpty($category->getProducts()->toArray());
$now = new \DateTime();
$this->assertInstanceOf('DateTime', $category->getCreatedAt());
$this->assertLessThanOrEqual($now, $category->getCreatedAt());
$this->assertInstanceOf('DateTime', $category->getUpdatedAt());
$this->assertLessThanOrEqual($now, $category->getUpdatedAt());
}
