public function testDistinct()
{
$stream = new S\Stream(array(1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4));
$newStream = $stream->distinct();
$this->assertInstanceOf('Streams\\Stream', $newStream);
$this->assertEquals($newStream->getElements(), array(1, 2, 3, 4));
$stream = new S\Stream(array(4, 5, 6, 7, 4, 5, 6, 7));
$newStream = $stream->distinct();
$this->assertInstanceOf('Streams\\Stream', $newStream);
$this->assertEquals($newStream->getElements(), array(4, 5, 6, 7));
}
