TokenStreamTest.php

<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
class Twig_Tests_TokenStreamTest extends PHPUnit_Framework_TestCase {
  protected static $tokens;
  public function setUp() {
    self::$tokens = array(
      new Twig_Token(Twig_Token::TEXT_TYPE, 1, 1),
      new Twig_Token(Twig_Token::TEXT_TYPE, 2, 1),
      new Twig_Token(Twig_Token::TEXT_TYPE, 3, 1),
      new Twig_Token(Twig_Token::TEXT_TYPE, 4, 1),
      new Twig_Token(Twig_Token::TEXT_TYPE, 5, 1),
      new Twig_Token(Twig_Token::TEXT_TYPE, 6, 1),
      new Twig_Token(Twig_Token::TEXT_TYPE, 7, 1),
      new Twig_Token(Twig_Token::EOF_TYPE, 0, 1),
    );
  }
  public function testNext() {
    $stream = new Twig_TokenStream(self::$tokens);
    $repr = array();
    while (!$stream
      ->isEOF()) {
      $token = $stream
        ->next();
      $repr[] = $token
        ->getValue();
    }
    $this
      ->assertEquals('1, 2, 3, 4, 5, 6, 7', implode(', ', $repr), '->next() advances the pointer and returns the current token');
  }

  /**
   * @expectedException Twig_Error_Syntax
   * @expectedMessage   Unexpected end of template
   */
  public function testEndOfTemplateNext() {
    $stream = new Twig_TokenStream(array(
      new Twig_Token(Twig_Token::BLOCK_START_TYPE, 1, 1),
    ));
    while (!$stream
      ->isEOF()) {
      $stream
        ->next();
    }
  }

  /**
   * @expectedException Twig_Error_Syntax
   * @expectedMessage   Unexpected end of template
   */
  public function testEndOfTemplateLook() {
    $stream = new Twig_TokenStream(array(
      new Twig_Token(Twig_Token::BLOCK_START_TYPE, 1, 1),
    ));
    while (!$stream
      ->isEOF()) {
      $stream
        ->look();
      $stream
        ->next();
    }
  }

}