public function testVerySimple()
    {
        $XML = simplexml_load_string_utf8('
<exercise> 
      <created>2011-05-13 17:36:19.0</created>  
      <time>2011-05-11 07:09:34.0</time>  
      <sport>Cycling</sport>  
      <name>Cycling</name>  
      <result> 
        <distance>17100.0</distance>  
        <calories>500</calories>  
        <duration>00:39:32</duration> 
        <heart-rate> 
          <average>146</average>  
          <maximum>166</maximum> 
        </heart-rate>
      </result>  
      <note/> 
    </exercise>');
        $Parser = new ParserXMLpolarSingle('', $XML);
        $Parser->parse();
        $this->assertFalse($Parser->failed());
        $this->assertEquals(mktime(7, 9, 34, 5, 11, 2011), $Parser->object()->getTimestamp());
        $this->assertEquals(17.1, $Parser->object()->getDistance());
        $this->assertEquals(500, $Parser->object()->getCalories());
        $this->assertEquals(39 * 60 + 32, $Parser->object()->getTimeInSeconds());
        $this->assertEquals(146, $Parser->object()->getPulseAvg());
        $this->assertEquals(166, $Parser->object()->getPulseMax());
    }
 /**
  * Parse single exercise
  * @param SimpleXMLElement $Exercise
  */
 protected function parseSingleExercise(SimpleXMLElement &$Exercise)
 {
     $Parser = new ParserXMLpolarSingle('', $Exercise);
     $Parser->parse();
     if ($Parser->failed()) {
         $this->addErrors($Parser->getErrors());
     } else {
         $this->addObject($Parser->object());
     }
 }