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+<?php
+
+/**
+ * @file
+ * Various unicode handling tests.
+ */
+
+/**
+ * Test unicode handling features implemented in unicode.inc.
+ */
+class UnicodeUnitTest extends DrupalUnitTestCase {
+
+ /**
+ * Whether to run the extended version of the tests (including non latin1 characters).
+ *
+ * @var boolean
+ */
+ protected $extendedMode = FALSE;
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Unicode handling',
+ 'description' => 'Tests Drupal Unicode handling.',
+ 'group' => 'System',
+ );
+ }
+
+ /**
+ * Test full unicode features implemented using the mbstring extension.
+ */
+ function testMbStringUnicode() {
+ global $multibyte;
+
+ // mbstring was not detected on this installation, there is no way to test
+ // multibyte features. Treat that as an exception.
+ if ($multibyte == UNICODE_SINGLEBYTE) {
+ $this->error(t('Unable to test Multibyte features: mbstring extension was not detected.'));
+ }
+
+ $multibyte = UNICODE_MULTIBYTE;
+
+ $this->extendedMode = TRUE;
+ $this->pass(t('Testing in mbstring mode'));
+
+ $this->helperTestStrToLower();
+ $this->helperTestStrToUpper();
+ $this->helperTestUcFirst();
+ $this->helperTestStrLen();
+ $this->helperTestSubStr();
+ $this->helperTestTruncate();
+ }
+
+ /**
+ * Test emulated unicode features.
+ */
+ function testEmulatedUnicode() {
+ global $multibyte;
+
+ $multibyte = UNICODE_SINGLEBYTE;
+
+ $this->extendedMode = FALSE;
+
+ $this->pass(t('Testing in emulated (best-effort) mode'));
+
+ $this->helperTestStrToLower();
+ $this->helperTestStrToUpper();
+ $this->helperTestUcFirst();
+ $this->helperTestStrLen();
+ $this->helperTestSubStr();
+ $this->helperTestTruncate();
+ }
+
+ function helperTestStrToLower() {
+ $testcase = array(
+ 'tHe QUIcK bRoWn' => 'the quick brown',
+ 'FrançAIS is ÜBER-åwesome' => 'français is über-åwesome',
+ );
+ if ($this->extendedMode) {
+ $testcase['ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΣὨ'] = 'αβγδεζηθικλμνξοσὠ';
+ }
+
+ foreach ($testcase as $input => $output) {
+ $this->assertEqual(drupal_strtolower($input), $output, format_string('%input is lowercased as %output', array('%input' => $input, '%output' => $output)));
+ }
+ }
+
+ function helperTestStrToUpper() {
+ $testcase = array(
+ 'tHe QUIcK bRoWn' => 'THE QUICK BROWN',
+ 'FrançAIS is ÜBER-åwesome' => 'FRANÇAIS IS ÜBER-ÅWESOME',
+ );
+ if ($this->extendedMode) {
+ $testcase['αβγδεζηθικλμνξοσὠ'] = 'ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΣὨ';
+ }
+
+ foreach ($testcase as $input => $output) {
+ $this->assertEqual(drupal_strtoupper($input), $output, format_string('%input is uppercased as %output', array('%input' => $input, '%output' => $output)));
+ }
+ }
+
+ function helperTestUcFirst() {
+ $testcase = array(
+ 'tHe QUIcK bRoWn' => 'THe QUIcK bRoWn',
+ 'françAIS' => 'FrançAIS',
+ 'über' => 'Über',
+ 'åwesome' => 'Åwesome'
+ );
+ if ($this->extendedMode) {
+ $testcase['σion'] = 'Σion';
+ }
+
+ foreach ($testcase as $input => $output) {
+ $this->assertEqual(drupal_ucfirst($input), $output, format_string('%input is ucfirst-ed as %output', array('%input' => $input, '%output' => $output)));
+ }
+ }
+
+ function helperTestStrLen() {
+ $testcase = array(
+ 'tHe QUIcK bRoWn' => 15,
+ 'ÜBER-åwesome' => 12,
+ );
+
+ foreach ($testcase as $input => $output) {
+ $this->assertEqual(drupal_strlen($input), $output, format_string('%input length is %output', array('%input' => $input, '%output' => $output)));
+ }
+ }
+
+ function helperTestSubStr() {
+ $testcase = array(
+ // 012345678901234567890123
+ array('frànçAIS is über-åwesome', 0, 0,
+ ''),
+ array('frànçAIS is über-åwesome', 0, 1,
+ 'f'),
+ array('frànçAIS is über-åwesome', 0, 8,
+ 'frànçAIS'),
+ array('frànçAIS is über-åwesome', 0, 23,
+ 'frànçAIS is über-åwesom'),
+ array('frànçAIS is über-åwesome', 0, 24,
+ 'frànçAIS is über-åwesome'),
+ array('frànçAIS is über-åwesome', 0, 25,
+ 'frànçAIS is über-åwesome'),
+ array('frànçAIS is über-åwesome', 0, 100,
+ 'frànçAIS is über-åwesome'),
+ array('frànçAIS is über-åwesome', 4, 4,
+ 'çAIS'),
+ array('frànçAIS is über-åwesome', 1, 0,
+ ''),
+ array('frànçAIS is über-åwesome', 100, 0,
+ ''),
+ array('frànçAIS is über-åwesome', -4, 2,
+ 'so'),
+ array('frànçAIS is über-åwesome', -4, 3,
+ 'som'),
+ array('frànçAIS is über-åwesome', -4, 4,
+ 'some'),
+ array('frànçAIS is über-åwesome', -4, 5,
+ 'some'),
+ array('frànçAIS is über-åwesome', -7, 10,
+ 'åwesome'),
+ array('frànçAIS is über-åwesome', 5, -10,
+ 'AIS is üb'),
+ array('frànçAIS is über-åwesome', 0, -10,
+ 'frànçAIS is üb'),
+ array('frànçAIS is über-åwesome', 0, -1,
+ 'frànçAIS is über-åwesom'),
+ array('frànçAIS is über-åwesome', -7, -2,
+ 'åweso'),
+ array('frànçAIS is über-åwesome', -7, -6,
+ 'å'),
+ array('frànçAIS is über-åwesome', -7, -7,
+ ''),
+ array('frànçAIS is über-åwesome', -7, -8,
+ ''),
+ array('...', 0, 2, '..'),
+ array('以呂波耳・ほへとち。リヌルヲ。', 1, 3,
+ '呂波耳'),
+
+ );
+
+ foreach ($testcase as $test) {
+ list($input, $start, $length, $output) = $test;
+ $result = drupal_substr($input, $start, $length);
+ $this->assertEqual($result, $output, format_string('%input substring at offset %offset for %length characters is %output (got %result)', array('%input' => $input, '%offset' => $start, '%length' => $length, '%output' => $output, '%result' => $result)));
+ }
+ }
+
+ /**
+ * Test decode_entities().
+ */
+ function testDecodeEntities() {
+ $testcase = array(
+ 'Drupal' => 'Drupal',
+ '<script>' => '<script>',
+ '&lt;script&gt;' => '<script>',
+ '&#60;script&#62;' => '<script>',
+ '&amp;lt;script&amp;gt;' => '&lt;script&gt;',
+ '"' => '"',
+ '&#34;' => '"',
+ '&amp;#34;' => '&#34;',
+ '&quot;' => '"',
+ '&amp;quot;' => '&quot;',
+ "'" => "'",
+ '&#39;' => "'",
+ '&amp;#39;' => '&#39;',
+ '©' => '©',
+ '&copy;' => '©',
+ '&#169;' => '©',
+ '→' => '→',
+ '&#8594;' => '→',
+ '➼' => '➼',
+ '&#10172;' => '➼',
+ '&euro;' => '€',
+ );
+ foreach ($testcase as $input => $output) {
+ $this->assertEqual(decode_entities($input), $output, format_string('Make sure the decoded entity of @input is @output', array('@input' => $input, '@output' => $output)));
+ }
+ }
+
+ /**
+ * Tests truncate_utf8().
+ */
+ function helperTestTruncate() {
+ // Each case is an array with input string, length to truncate to, and
+ // expected return value.
+
+ // Test non-wordsafe, non-ellipsis cases.
+ $non_wordsafe_non_ellipsis_cases = array(
+ array('frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome'),
+ array('frànçAIS is über-åwesome', 23, 'frànçAIS is über-åwesom'),
+ array('frànçAIS is über-åwesome', 17, 'frànçAIS is über-'),
+ array('以呂波耳・ほへとち。リヌルヲ。', 6, '以呂波耳・ほ'),
+ );
+ $this->runTruncateTests($non_wordsafe_non_ellipsis_cases, FALSE, FALSE);
+
+ // Test non-wordsafe, ellipsis cases.
+ $non_wordsafe_ellipsis_cases = array(
+ array('frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome'),
+ array('frànçAIS is über-åwesome', 23, 'frànçAIS is über-åwe...'),
+ array('frànçAIS is über-åwesome', 17, 'frànçAIS is üb...'),
+ );
+ $this->runTruncateTests($non_wordsafe_ellipsis_cases, FALSE, TRUE);
+
+ // Test wordsafe, ellipsis cases.
+ $wordsafe_ellipsis_cases = array(
+ array('123', 1, '.'),
+ array('123', 2, '..'),
+ array('123', 3, '123'),
+ array('1234', 3, '...'),
+ array('1234567890', 10, '1234567890'),
+ array('12345678901', 10, '1234567...'),
+ array('12345678901', 11, '12345678901'),
+ array('123456789012', 11, '12345678...'),
+ array('12345 7890', 10, '12345 7890'),
+ array('12345 7890', 9, '12345...'),
+ array('123 567 90', 10, '123 567 90'),
+ array('123 567 901', 10, '123 567...'),
+ array('Stop. Hammertime.', 17, 'Stop. Hammertime.'),
+ array('Stop. Hammertime.', 16, 'Stop....'),
+ array('frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome'),
+ array('frànçAIS is über-åwesome', 23, 'frànçAIS is über...'),
+ array('frànçAIS is über-åwesome', 17, 'frànçAIS is...'),
+ array('¿Dónde está el niño?', 20, '¿Dónde está el niño?'),
+ array('¿Dónde está el niño?', 19, '¿Dónde está el...'),
+ array('¿Dónde está el niño?', 15, '¿Dónde está...'),
+ array('¿Dónde está el niño?', 10, '¿Dónde...'),
+ array('Help! Help! Help!', 17, 'Help! Help! Help!'),
+ array('Help! Help! Help!', 16, 'Help! Help!...'),
+ array('Help! Help! Help!', 15, 'Help! Help!...'),
+ array('Help! Help! Help!', 14, 'Help! Help!...'),
+ array('Help! Help! Help!', 13, 'Help! Help...'),
+ array('Help! Help! Help!', 12, 'Help!...'),
+ array('Help! Help! Help!', 11, 'Help!...'),
+ array('Help! Help! Help!', 10, 'Help!...'),
+ array('Help! Help! Help!', 9, 'Help!...'),
+ array('Help! Help! Help!', 8, 'Help!...'),
+ array('Help! Help! Help!', 7, 'Help...'),
+ array('Help! Help! Help!', 6, 'Hel...'),
+ array('Help! Help! Help!', 5, 'He...'),
+ );
+ $this->runTruncateTests($wordsafe_ellipsis_cases, TRUE, TRUE);
+ }
+
+ /**
+ * Runs test cases for helperTestTruncate().
+ *
+ * Runs each test case through truncate_utf8() and compares the output
+ * to the expected output.
+ *
+ * @param $cases
+ * Cases array. Each case is an array with the input string, length to
+ * truncate to, and expected output.
+ * @param $wordsafe
+ * TRUE to use word-safe truncation, FALSE to not use word-safe truncation.
+ * @param $ellipsis
+ * TRUE to append ... if the input is truncated, FALSE to not append ....
+ */
+ function runTruncateTests($cases, $wordsafe, $ellipsis) {
+ foreach ($cases as $case) {
+ list($input, $max_length, $expected) = $case;
+ $output = truncate_utf8($input, $max_length, $wordsafe, $ellipsis);
+ $this->assertEqual($output, $expected, format_string('%input truncate to %length characters with %wordsafe, %ellipsis is %expected (got %output)', array('%input' => $input, '%length' => $max_length, '%output' => $output, '%expected' => $expected, '%wordsafe' => ($wordsafe ? 'word-safe' : 'not word-safe'), '%ellipsis' => ($ellipsis ? 'ellipsis' : 'not ellipsis'))));
+ }
+ }
+}