Neos\Eel\Tests\Unit\ArrayHelperTest::indexOfWorks PHP Method

    public function indexOfWorks($array, $searchElement, $fromIndex, $expected)
    {
        $helper = new ArrayHelper();
        if ($fromIndex !== null) {
            $result = $helper->indexOf($array, $searchElement, $fromIndex);
        } else {
            $result = $helper->indexOf($array, $searchElement);
        }
        $this->assertEquals($expected, $result);
    }