public function testMultiSort()
{
$this->assertEmpty(ArrayUtils::multiSort($this->_getArrayPreset('empty_array'), 'id'));
$collection = $this->_getArrayPreset('2D_collection_5');
$collectionNamed = $this->_getArrayPreset('2D_collection_5_named');
$this->assertCount(count($collection), ArrayUtils::multiSort($collection, 'id'));
$this->assertTrue(ArrayUtils::isCollection(ArrayUtils::multiSort($collectionNamed, 'id')));
// make sure the same order
$sortedCollection = ArrayUtils::multiSort($collection, 'id');
$this->assertEquals($collection, $sortedCollection);
// make sure proper order
$sortedCollection = ArrayUtils::multiSort($collection, 'categoryId');
$this->assertEquals('1-3-3-5-5', ArrayUtils::implodeByKey($sortedCollection, 'categoryId', '-'));
$sortedCollection = ArrayUtils::multiSort($collection, 'categoryId', true);
$this->assertEquals('5-5-3-3-1', ArrayUtils::implodeByKey($sortedCollection, 'categoryId', '-'));
$sortedCollection = ArrayUtils::multiSort($collection, 'date');
$this->assertEquals('5-2-1-9-6', ArrayUtils::implodeByKey($sortedCollection, 'id', '-'));
$sortedCollection = ArrayUtils::multiSort($collection, 'date', true);
$this->assertEquals('6-9-1-2-5', ArrayUtils::implodeByKey($sortedCollection, 'id', '-'));
// make sure all keys are intact
$sortedCollection = ArrayUtils::multiSort($collectionNamed, 'date', true);
foreach ($sortedCollection as $item) {
$this->assertArrayHasKey('id', $item);
$this->assertArrayHasKey('name', $item);
$this->assertArrayHasKey('categoryId', $item);
$this->assertArrayHasKey('date', $item);
}
}
