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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <[email protected]> * * 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->expectException('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->expectException('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()); } }