phpDocumentor / ReflectionDocBlock

declare(strict_types=1);

namespace phpDocumentor\Reflection;

use phpDocumentor\Reflection\Exception\PcreException;

use PHPUnit\Framework\TestCase;

use function set_error_handler;

use const E_WARNING;

final class PregSplitTest extends TestCase

{

    /** @var callable|null */

    private $errorHandler = null;

    /**

     * @covers \phpDocumentor\Reflection\Utils::pregSplit

     */

    public function testSimplePregSplit() : void

    {

        $result = Utils::pregSplit('/\s/', 'word split');

        $this->assertSame(['word', 'split'], $result);

    }

    /**

     * @covers \phpDocumentor\Reflection\Utils::pregSplit

     */

    public function testPregSplitThrowsOnError() : void

    {

        //We need to disable the error handler for phpunit... because we expect some errors here

        $this->errorHandler = set_error_handler(static function () : void {

        }, E_WARNING);

        $this->expectException(PcreException::class);

        Utils::pregSplit('~InvalidRegular)Expression~', 'some word');

    }

}