public function testFilter()
{
$this->assertCount(0, ArrayUtils::filter($this->_getArrayPreset('empty_array'), 'id', 1));
$this->assertCount(1, ArrayUtils::filter($this->_getArrayPreset('2D_collection_5'), 'id', 1));
$this->assertCount(2, ArrayUtils::filter($this->_getArrayPreset('2D_collection_5'), 'categoryId', '5'));
$this->assertCount(2, ArrayUtils::filter($this->_getArrayPreset('2D_collection_5_named'), 'categoryId', 5));
$this->assertEmpty(ArrayUtils::filter($this->_getArrayPreset('2D_collection_5'), 'categoryId', 999));
$this->assertArrayHasKey('sit', ArrayUtils::filter($this->_getArrayPreset('2D_collection_5_named'), 'name', 'sit', true));
$this->assertArrayNotHasKey('sit', ArrayUtils::filter($this->_getArrayPreset('2D_collection_5_named'), 'name', 'sit'));
}
