/**
  * Test renaming a key if it does not exist yet
  */
 public function testRenamenx()
 {
     $this->redis->del('testRenamenx');
     $this->redis->del('testRenamenxNew');
     $this->redis->set('testRenamenx', 'someValue');
     $this->redis->set('testRenamenxNew', 'someNewValue');
     $renameResult = $this->redis->renamenx('testRenamenx', 'testRenamenxNew');
     $this->assertInternalType('bool', $renameResult);
     $this->assertFalse($renameResult);
     $this->redis->del('testRenamenx');
     $this->redis->del('testRenamenxNew');
     $this->redis->set('testRenamenx', 'someValue');
     $renameResult = $this->redis->renamenx('testRenamenx', 'testRenamenxNew');
     $this->assertInternalType('bool', $renameResult);
     $this->assertTrue($renameResult);
     $this->assertEquals('someValue', $this->redis->get('testRenamenxNew'));
 }