/**
  * Ensures that the filter follows expected behavior
  *
  * @return void
  */
 public function testBasic()
 {
     $filter = new Zend_Filter_File_Encrypt();
     $filter->setFilename(dirname(__FILE__) . '/../_files/newencryption.txt');
     $this->assertEquals(dirname(__FILE__) . '/../_files/newencryption.txt', $filter->getFilename());
     $filter->setVector('testvect');
     $this->assertEquals(dirname(__FILE__) . '/../_files/newencryption.txt', $filter->filter(dirname(__FILE__) . '/../_files/encryption.txt'));
     $this->assertEquals('Encryption', file_get_contents(dirname(__FILE__) . '/../_files/encryption.txt'));
     $this->assertNotEquals('Encryption', file_get_contents(dirname(__FILE__) . '/../_files/newencryption.txt'));
 }