mageekguy\atoum\asserters\utf8String::contains PHP Method

    public function contains($fragment, $failMessage = null)
    {
        if (mb_strpos($this->valueIsSet()->value, $fragment, 0, 'UTF-8') !== false) {
            $this->pass();
        } else {
            $this->fail($failMessage ?: $this->_('%s does not contain %s', $this, $fragment));
        }
        return $this;
    }

 public function testContains()
 {
     $this->if($asserter = new asserters\utf8String($generator = new asserter\generator()))->then->exception(function () use($asserter) {
         $asserter->contains(uniqid());
     })->isInstanceOf('mageekguy\\atoum\\exceptions\\logic')->hasMessage('Value is undefined')->if($asserter->setWith($string = $this->getRandomUtf8String()))->and($diff = new diffs\variable())->and($fragment = $this->getRandomUtf8String())->then->exception(function () use($asserter, $fragment) {
         $asserter->contains($fragment);
     })->isInstanceOf('mageekguy\\atoum\\asserter\\exception')->hasMessage(sprintf($this->getLocale()->_('String does not contain %s'), $fragment))->object($asserter->contains($string))->isIdenticalTo($asserter)->if($asserter->setWith($this->getRandomUtf8String() . $string . $this->getRandomUtf8String()))->then->object($asserter->contains($string))->isIdenticalTo($asserter)->exception(function () use($asserter, $string, &$fragment) {
         $asserter->contains($fragment = mb_strtoupper($string, 'UTF-8'));
     })->isInstanceOf('mageekguy\\atoum\\asserter\\exception')->hasMessage(sprintf($this->getLocale()->_('String does not contain %s'), $fragment));
 }