Reader example

use Symfony\Component\CssSelector\Parser\Handler\CommentHandler;
use Symfony\Component\CssSelector\Parser\Reader;
use Symfony\Component\CssSelector\Parser\Token;
use Symfony\Component\CssSelector\Parser\TokenStream;

class CommentHandlerTest extends AbstractHandlerTestCase
{
    /** @dataProvider getHandleValueTestData */
    public function testHandleValue($value, Token $unusedArgument, $remainingContent)
    {
        $reader = new Reader($value);
        $stream = new TokenStream();

        $this->assertTrue($this->generateHandler()->handle($reader, $stream));
        // comments are ignored (not pushed as token in stream)         $this->assertStreamEmpty($stream);
        $this->assertRemainingContent($reader, $remainingContent);
    }

    public static function getHandleValueTestData()
    {
        return [
            

use Symfony\Component\CssSelector\Parser\Token;
use Symfony\Component\CssSelector\Parser\TokenStream;

/** * @author Jean-François Simon <contact@jfsimon.fr> */
abstract class AbstractHandlerTestCase extends TestCase
{
    /** @dataProvider getHandleValueTestData */
    public function testHandleValue($value, Token $expectedToken, $remainingContent)
    {
        $reader = new Reader($value);
        $stream = new TokenStream();

        $this->assertTrue($this->generateHandler()->handle($reader, $stream));
        $this->assertEquals($expectedToken, $stream->getNext());
        $this->assertRemainingContent($reader, $remainingContent);
    }

    /** @dataProvider getDontHandleValueTestData */
    public function testDontHandleValue($value)
    {
        $reader = new Reader($value);
        

class Parser implements ParserInterface
{
    private Tokenizer $tokenizer;

    public function __construct(Tokenizer $tokenizer = null)
    {
        $this->tokenizer = $tokenizer ?? new Tokenizer();
    }

    public function parse(string $source): array
    {
        $reader = new Reader($source);
        $stream = $this->tokenizer->tokenize($reader);

        return $this->parseSelectorList($stream);
    }

    /** * Parses the arguments for ":nth-child()" and friends. * * @param Token[] $tokens * * @throws SyntaxErrorException */

namespace Symfony\Component\CssSelector\Tests\Parser;

use PHPUnit\Framework\TestCase;
use Symfony\Component\CssSelector\Parser\Reader;

class ReaderTest extends TestCase
{
    public function testIsEOF()
    {
        $reader = new Reader('');
        $this->assertTrue($reader->isEOF());

        $reader = new Reader('hello');
        $this->assertFalse($reader->isEOF());

        $this->assignPosition($reader, 2);
        $this->assertFalse($reader->isEOF());

        $this->assignPosition($reader, 5);
        $this->assertTrue($reader->isEOF());
    }