示例#1
0
 public function testPrev()
 {
     $this->arrayCollection->next();
     $this->assertEquals(1, $this->arrayCollection->key());
     $this->arrayCollection->prev();
     $this->assertEquals(0, $this->arrayCollection->key());
     $this->arrayCollection->prev();
     $this->assertNull($this->arrayCollection->key());
 }