/**
* @test
*/
public function shouldProperlyCompareUsingReversed()
{
//given
$reversed = Comparator::reverse(Comparator::natural());
//when
$greater = $reversed(1, 2);
$lesser = $reversed(2, 1);
$equal = $reversed(1, 1);
//then
$this->assertEquals(-1, $lesser);
$this->assertEquals(1, $greater);
$this->assertEquals(0, $equal);
}
/**
* @test
*/
public function shouldSortArrayByCompoundComparator()
{
//given
$product1 = new Product(array('name' => 'b', 'description' => '2'));
$product2 = new Product(array('name' => 'a', 'description' => '1'));
$product3 = new Product(array('name' => 'a', 'description' => '2'));
$array = array($product3, $product1, $product2);
$comparator = Comparator::compound(Comparator::reverse(Comparator::compareBy('name')), Comparator::compareBy('description'));
//when
$sorted = Arrays::sort($array, $comparator);
//then
Assert::thatArray($sorted)->containsExactly($product1, $product2, $product3);
}
