/**
* @covers NumbersPHP\Basic::shuffle
*/
public function testShuffle()
{
$expected = array(10, 20, 30, 40, 50, 60, 70);
$result = \NumbersPHP\Basic::shuffle(array(10, 20, 30, 40, 50, 60, 70));
$this->assertNotEquals($expected, $result);
sort($result);
$this->assertEquals($expected, $result);
}