public function testSolutionZero()
{
//make sure we have a known captcha question
$cap = new Text_CAPTCHA_Numeral(Text_CAPTCHA_Numeral::TEXT_CAPTCHA_NUMERAL_COMPLEXITY_ELEMENTARY, 10, 10);
$p = new ReflectionProperty('Text_CAPTCHA_Numeral', 'operator');
$p->setAccessible(true);
$p->setValue($cap, '-');
$m = new ReflectionMethod('Text_CAPTCHA_Numeral', 'setOperation');
$m->setAccessible(true);
$m->invoke($cap);
$this->nc->setNumeral($cap);
//force session and question intialisation
(string) $this->nc;
$this->assertFalse($this->nc->getSession()->solved, 'Captcha should not be solved already');
$this->assertSame(null, $this->nc->getValue());
$str = (string) $this->nc;
$data = $this->nc->getData();
$this->assertContains('10 - 10', $str);
}
