<?php
// $Id$

class UnicodeIncTest extends DrupalTestCase {
  function getInfo() {
    return array(
      'name'  => t('unicode.inc tests'),
      'description'  => t('Tests functions in unicode.inc'),
      'group' => t('Unicode.inc'),
    );
  }

  /**
   * Ensure strings are being character truncated properly (drupal_truncate_chars())
   */
  function test_drupal_truncate_chars() {
    // Strings to try truncating
    $empty_string = '';
    $ascii_string = 'foo bar xyz';
    $utf8_string = 'äâãå æêë öø';
    $lat_alphabet = 'A B C D E F G H I J K L M N O P Q R S T U W X Y Z';
    $cyr_alphabet = 'А Б В Г Д Е Ё Ж З И Й К Л М Н О П Р С Т У Ф Х Ц Ч Ъ Ы Ю Э Ю Я';

    // Checks against a plain ASCII string
    $this->assertEqual(drupal_truncate_chars($ascii_string, 8, TRUE, TRUE), 'foo ...', 'Expected truncating to return "foo ..." ($wordsafe on, $dots on)');
    $this->assertEqual(drupal_truncate_chars($ascii_string, 8, TRUE, FALSE), 'foo bar', 'Expected truncating to return "foo bar" ($wordsafe on, $dots off)');
    $this->assertEqual(drupal_truncate_chars($ascii_string, 8, FALSE, TRUE), 'foo b...', 'Expected truncating to return "foo b..." ($wordsafe off, $dots on)');
    $this->assertEqual(drupal_truncate_chars($ascii_string, 8, FALSE, FALSE), 'foo bar ', 'Expected truncating to return "foo bar " ($wordsafe off, $dots off)');
   
    // Checks against an UTF-8 string
    $this->assertEqual(drupal_truncate_chars($utf8_string, 10, TRUE, TRUE), 'äâãå ...', 'Expected truncating to return "äâãå ..." ($wordsafe on, $dots on)');
    $this->assertEqual(drupal_truncate_chars($utf8_string, 10, TRUE, FALSE), 'äâãå æêë', 'Expected truncating to return "äâãå æêë" ($wordsafe on, $dots off)');
    $this->assertEqual(drupal_truncate_chars($utf8_string, 10, FALSE, TRUE), 'äâãå æê...', 'Expected truncating to return "äâãå æê..." ($wordsafe off, $dots on)');
    $this->assertEqual(drupal_truncate_chars($utf8_string, 10, FALSE, FALSE), 'äâãå æêë ö', 'Expected truncating to return "äâãå æêë ö" ($wordsafe off, $dots off)');

    // Checks against an empty string
    $this->assertEqual(drupal_truncate_chars($empty_string, 10, TRUE, TRUE), '', 'Expected truncating to return "" ($wordsafe on, $dots on)');
    $this->assertEqual(drupal_truncate_chars($empty_string, 10, TRUE, FALSE), '', 'Expected truncating to return "" ($wordsafe on, $dots off)');
    $this->assertEqual(drupal_truncate_chars($empty_string, 10, FALSE, TRUE), '', 'Expected truncating to return "" ($wordsafe off, $dots on)');
    $this->assertEqual(drupal_truncate_chars($empty_string, 10, FALSE, FALSE), '', 'Expected truncating to return "" ($wordsafe off, $dots off)');

    // Checks per issue 200185
    $this->assertEqual(drupal_truncate_chars($lat_alphabet, 29, FALSE, FALSE), 'A B C D E F G H I J K L M N O', 'Failed truncating Latin alphabet');
    $this->assertEqual(drupal_truncate_chars($cyr_alphabet, 29, FALSE, FALSE), 'А Б В Г Д Е Ё Ж З И Й К Л М О', 'Failed truncating Cyrillic alphabet');
  }
}