/**
* @dataProvider containsAllProvider()
*/
public function testContainsAll($expected, $haystack, $needles, $caseSensitive = true, $encoding = null)
{
$result = S::containsAll($haystack, $needles, $caseSensitive, $encoding);
$this->assertInternalType('boolean', $result);
$this->assertEquals($expected, $result);
}