| ThemeFunctionsTestCase | class |  | modules/simpletest/tests/theme.test | Tests for common theme functions. | 
          
                  | ThemeHeadTag | class |  | modules/simpletest/tests/theme.test | Unit tests for meta tags. | 
          
                  | ThemeHookInitUnitTest | class |  | modules/simpletest/tests/theme.test | Functional test for initialization of the theme system in hook_init(). | 
          
                  | ThemeHtmlTplPhpAttributesTestCase | class |  | modules/simpletest/tests/theme.test | Functional test for attributes of html.tpl.php. | 
          
                  | ThemeRegistry | class |  | includes/theme.inc | Builds the run-time theme registry. | 
          
                  | ThemeRegistryTestCase | class |  | modules/simpletest/tests/theme.test | Tests for the ThemeRegistry class. | 
          
                  | ThemeTableUnitTest | class |  | modules/simpletest/tests/theme.test | Unit tests for theme_table(). | 
          
                  | ThemeUnitTest | class |  | modules/simpletest/tests/theme.test | Unit tests for the Theme API. | 
          
                  | ThemeUpdater | class |  | modules/system/system.updater.inc | Class for updating themes using FileTransfer classes via authorize.php. | 
          
                  | TokenArrayTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenCommentTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenCurrentPageTestCase | class |  | modules/simpletest/tests/token.test | Test the current page tokens. | 
          
                  | TokenEntityTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenFileTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenMenuTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenNodeTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenReplaceTestCase | class |  | modules/simpletest/tests/token.test | Test token replacement in strings. | 
          
                  | TokenScanTest | class |  | modules/simpletest/tests/token.test | Test token replacement in strings. | 
          
                  | TokenTaxonomyTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenTestHelper | class |  | modules/simpletest/tests/token.test | Helper test class with some added functions for testing. | 
          
                  | TokenUnitTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenURLTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TokenUserTestCase | class |  | modules/simpletest/tests/token.test |  | 
          
                  | TranslationTestCase | class |  | modules/translation/tests/translation.test | Functional tests for the Translation module. | 
          
                  | TransliterationTest | class |  | modules/simpletest/tests/transliteration.test | Tests the transliteration class. | 
          
                  | TruncateQuery | class |  | includes/database/query.inc | General class for an abstracted TRUNCATE operation. | 
          
                  | TruncateQuery_mysql | class |  | drivers/database_mysql/query.inc |  | 
          
                  | UnicodeUnitTest | class |  | modules/simpletest/tests/unicode.test | Test unicode handling features implemented in unicode.inc. | 
          
                  | UpdateCoreTestCase | class |  | modules/update/tests/update.test |  | 
          
                  | UpdateCoreUnitTestCase | class |  | modules/update/tests/update.test | Tests update functionality unrelated to the database. | 
          
                  | UpdateDependencyHookInvocationTestCase | class |  | modules/simpletest/tests/update.test | Tests for the invocation of hook_update_dependencies(). | 
          
                  | UpdateDependencyMissingTestCase | class |  | modules/simpletest/tests/update.test | Tests for missing update dependencies. | 
          
                  | UpdateDependencyOrderingTestCase | class |  | modules/simpletest/tests/update.test | Tests for the update dependency ordering system. | 
          
                  | UpdateDrupal7TestCase | class |  | modules/simpletest/tests/update.test | Tests for ensuring updates from Drupal 7 execute properly. | 
          
                  | UpdateQuery | class |  | includes/database/query.inc | General class for an abstracted UPDATE operation. | 
          
                  | UpdateQuery_mysql | class |  | drivers/database_mysql/query.inc |  | 
          
                  | Updater | abstract class |  | includes/updater.inc | Base class for Updaters used in Backdrop. | 
          
                  | UpdaterException | class |  | includes/updater.inc | Exception class for the Updater class hierarchy. | 
          
                  | UpdaterFileTransferException | class |  | includes/updater.inc | Child class of UpdaterException that indicates a FileTransfer exception. | 
          
                  | UpdateScriptFunctionalTest | class |  | modules/system/tests/system.test | Tests for the update system functionality. | 
          
                  | UpdateTestContribCase | class |  | modules/update/tests/update.test |  | 
          
                  | UpdateTestFileTransfer | class |  | modules/update/tests/update_test/update_test.module | Mocks a FileTransfer object to test the settings form functionality. | 
          
                  | UpdateTestHelper | class |  | modules/update/tests/update.test | Defines some shared functions used by all update tests. | 
          
                  | UpgradePathTestCase | abstract class |  | modules/simpletest/tests/upgrade/upgrade.test | Perform end-to-end tests of the upgrade path. | 
          
                  | UrlAlterFunctionalTest | class |  | modules/simpletest/tests/path.test | Tests hook_url_alter functions. | 
          
                  | UrlIsExternalUnitTest | class |  | modules/simpletest/tests/common.test | Tests url_is_external(). | 
          
                  | User | class |  | modules/user/user.entity.inc | Defines the user entity class. | 
          
                  | UserAccountLinksUnitTests | class |  | modules/user/tests/user.test | Tests user links in the header menu. | 
          
                  | UserAdminSettingsEmailFormTest | class |  | modules/user/tests/user.test |  | 
          
                  | UserAdminSettingsFormTest | class |  | modules/user/tests/user.test |  |