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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\CssSelector\Tests\Parser;
- use PHPUnit\Framework\TestCase;
- use Symfony\Component\CssSelector\Parser\Token;
- use Symfony\Component\CssSelector\Parser\TokenStream;
- class TokenStreamTest extends TestCase
- {
- public function testGetNext()
- {
- $stream = new TokenStream();
- $stream->push($t1 = new Token(Token::TYPE_IDENTIFIER, 'h1', 0));
- $stream->push($t2 = new Token(Token::TYPE_DELIMITER, '.', 2));
- $stream->push($t3 = new Token(Token::TYPE_IDENTIFIER, 'title', 3));
- $this->assertSame($t1, $stream->getNext());
- $this->assertSame($t2, $stream->getNext());
- $this->assertSame($t3, $stream->getNext());
- }
- public function testGetPeek()
- {
- $stream = new TokenStream();
- $stream->push($t1 = new Token(Token::TYPE_IDENTIFIER, 'h1', 0));
- $stream->push($t2 = new Token(Token::TYPE_DELIMITER, '.', 2));
- $stream->push($t3 = new Token(Token::TYPE_IDENTIFIER, 'title', 3));
- $this->assertSame($t1, $stream->getPeek());
- $this->assertSame($t1, $stream->getNext());
- $this->assertSame($t2, $stream->getPeek());
- $this->assertSame($t2, $stream->getPeek());
- $this->assertSame($t2, $stream->getNext());
- }
- public function testGetNextIdentifier()
- {
- $stream = new TokenStream();
- $stream->push(new Token(Token::TYPE_IDENTIFIER, 'h1', 0));
- $this->assertEquals('h1', $stream->getNextIdentifier());
- }
- public function testFailToGetNextIdentifier()
- {
- $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('Symfony\Component\CssSelector\Exception\SyntaxErrorException');
- $stream = new TokenStream();
- $stream->push(new Token(Token::TYPE_DELIMITER, '.', 2));
- $stream->getNextIdentifier();
- }
- public function testGetNextIdentifierOrStar()
- {
- $stream = new TokenStream();
- $stream->push(new Token(Token::TYPE_IDENTIFIER, 'h1', 0));
- $this->assertEquals('h1', $stream->getNextIdentifierOrStar());
- $stream->push(new Token(Token::TYPE_DELIMITER, '*', 0));
- $this->assertNull($stream->getNextIdentifierOrStar());
- }
- public function testFailToGetNextIdentifierOrStar()
- {
- $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('Symfony\Component\CssSelector\Exception\SyntaxErrorException');
- $stream = new TokenStream();
- $stream->push(new Token(Token::TYPE_DELIMITER, '.', 2));
- $stream->getNextIdentifierOrStar();
- }
- public function testSkipWhitespace()
- {
- $stream = new TokenStream();
- $stream->push($t1 = new Token(Token::TYPE_IDENTIFIER, 'h1', 0));
- $stream->push($t2 = new Token(Token::TYPE_WHITESPACE, ' ', 2));
- $stream->push($t3 = new Token(Token::TYPE_IDENTIFIER, 'h1', 3));
- $stream->skipWhitespace();
- $this->assertSame($t1, $stream->getNext());
- $stream->skipWhitespace();
- $this->assertSame($t3, $stream->getNext());
- }
- }
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