/**
  * Test collection seek method
  *
  * @return void
  */
 public function testSeek()
 {
     $this->collection->seek('a');
     $this->assertEquals(4, $this->collection->current());
     $this->collection->seek(2);
     $this->assertEquals(3, $this->collection->current());
 }
 /**
  * Test collection rewind
  *
  * @depends testKey
  * @depends testCurrent
  * @return void
  */
 public function testRewind()
 {
     $this->collection->last();
     $this->assertEquals('b', $this->collection->key());
     $this->assertEquals(5, $this->collection->current());
     $this->collection->rewind();
     $this->assertEquals(0, $this->collection->key());
     $this->assertEquals(1, $this->collection->current());
 }