/**
  * @covers phpDocumentor\Descriptor\FileDescriptor::setMarkers
  * @covers phpDocumentor\Descriptor\FileDescriptor::getMarkers
  */
 public function testSetAndGetMarkers()
 {
     $this->assertInstanceOf('phpDocumentor\\Descriptor\\Collection', $this->fixture->getMarkers());
     $mockInstance = m::mock('phpDocumentor\\Descriptor\\Collection');
     $mock = $mockInstance;
     $this->fixture->setMarkers($mock);
     $this->assertSame($mockInstance, $this->fixture->getMarkers());
 }