/**
  * test info()
  *
  * @return void
  */
 public function testWarn()
 {
     FireCake::setOptions(array('includeLineNumbers' => false));
     FireCake::warn('A Warning');
     $this->assertTrue(isset($this->firecake->sentHeaders['X-Wf-Protocol-1']));
     $this->assertTrue(isset($this->firecake->sentHeaders['X-Wf-1-Plugin-1']));
     $this->assertTrue(isset($this->firecake->sentHeaders['X-Wf-1-Structure-1']));
     $this->assertEqual($this->firecake->sentHeaders['X-Wf-1-Index'], 1);
     $this->assertEqual($this->firecake->sentHeaders['X-Wf-1-1-1-1'], '29|[{"Type":"WARN"},"A Warning"]|');
     FireCake::warn('A Warning', 'Bzzz');
     $this->assertEqual($this->firecake->sentHeaders['X-Wf-1-1-1-2'], '44|[{"Type":"WARN","Label":"Bzzz"},"A Warning"]|');
 }