public function testHashOption()
 {
     $options = array('foo' => 42, 'bar' => 4.2, 'baz' => array('o_O', false, null, '42' => 42, array()));
     $parserOptions = new ParserOptions($options);
     foreach (array_keys($options) as $option) {
         $this->assertTrue($parserOptions->hasOption($option));
     }
     $this->assertFalse($parserOptions->hasOption('ohi'));
     $this->assertFalse($parserOptions->hasOption('Foo'));
 }