Documentation & API reference
Expanded class hierarchy of MailTest
- class \Drupal\simpletest\TestBase
- class \Drupal\simpletest\UnitTestBase
- class \Drupal\simpletest\WebTestBase
- class \Drupal\action\Tests\BulkFormTest
- class \Drupal\action\Tests\ConfigurationTest
- class \Drupal\action\Tests\LoopTest
- class \Drupal\aggregator\Tests\AggregatorTestBase
- class \Drupal\ban\Tests\IpAddressBlockingTest
- class \Drupal\block\Tests\BlockAdminThemeTest
- class \Drupal\block\Tests\BlockCacheTest
- class \Drupal\block\Tests\BlockHiddenRegionTest
- class \Drupal\block\Tests\BlockHtmlIdTest
- class \Drupal\block\Tests\BlockInvalidRegionTest
- class \Drupal\block\Tests\BlockLanguageTest
- class \Drupal\block\Tests\BlockTest
- class \Drupal\block\Tests\BlockUserAccountSettingsTest
- class \Drupal\block\Tests\NewDefaultThemeBlocksTest
- class \Drupal\block\Tests\NonDefaultBlockAdminTest
- class \Drupal\book\Tests\BookTest
- class \Drupal\breakpoint\Tests\BreakpointGroupTestBase
- class \Drupal\breakpoint\Tests\BreakpointTestBase
- class \Drupal\color\Tests\ColorTest
- class \Drupal\comment\Tests\CommentLanguageTest
- class \Drupal\comment\Tests\CommentTestBase
- class \Drupal\config\Tests\ConfigEntityListTest
- class \Drupal\config\Tests\ConfigEntityTest
- class \Drupal\config\Tests\ConfigImportUITest
- class \Drupal\config\Tests\ConfigUpgradeTest
- class \Drupal\config\Tests\LocaleConfigOverride
- class \Drupal\contact\Tests\ContactAuthenticatedUserTest
- class \Drupal\contact\Tests\ContactPersonalTest
- class \Drupal\contact\Tests\ContactSitewideTest
- class \Drupal\contextual\Tests\ContextualDynamicContextTest
- class \Drupal\dblog\Tests\DBLogTest
- class \Drupal\drupal_system_listing_compatible_test\Tests\SystemListingCompatibleTest
- class \Drupal\email\Tests\EmailFieldTest
- class \Drupal\field\Tests\FieldTestBase
- class \Drupal\field_sql_storage\Tests\FieldSqlStorageTest
- class \Drupal\field_ui\Tests\AlterTest
- class \Drupal\field_ui\Tests\FieldUiTestBase
- class \Drupal\file\Tests\FileFieldTestBase
- class \Drupal\filter\Tests\FilterAdminTest
- class \Drupal\filter\Tests\FilterAPITest
- class \Drupal\filter\Tests\FilterCrudTest
- class \Drupal\filter\Tests\FilterDefaultFormatTest
- class \Drupal\filter\Tests\FilterFormatAccessTest
- class \Drupal\filter\Tests\FilterHooksTest
- class \Drupal\filter\Tests\FilterHtmlImageSecureTest
- class \Drupal\filter\Tests\FilterNoFormatTest
- class \Drupal\filter\Tests\FilterSecurityTest
- class \Drupal\filter\Tests\FilterSettingsTest
- class \Drupal\forum\Tests\ForumBlockTest
- class \Drupal\forum\Tests\ForumIndexTest
- class \Drupal\forum\Tests\ForumNodeAccessTest
- class \Drupal\forum\Tests\ForumTest
- class \Drupal\help\Tests\HelpTest
- class \Drupal\help\Tests\NoHelpTest
- class \Drupal\image\Tests\ImageDimensionsTest
- class \Drupal\image\Tests\ImageFieldTestBase
- class \Drupal\image\Tests\ImageStylesPathAndUrlTest
- class \Drupal\image\Tests\ImageThemeFunctionTest
- class \Drupal\jsonld\Tests\JsonldNormalizerTestBase
- class \Drupal\language\Tests\LanguageBrowserDetectionUnitTest
- class \Drupal\language\Tests\LanguageConfigurationElementTest
- class \Drupal\language\Tests\LanguageConfigurationTest
- class \Drupal\language\Tests\LanguageCustomLanguageConfigurationTest
- class \Drupal\language\Tests\LanguageDependencyInjectionTest
- class \Drupal\language\Tests\LanguageListTest
- class \Drupal\language\Tests\LanguageNegotiationInfoTest
- class \Drupal\language\Tests\LanguagePathMonolingualTest
- class \Drupal\language\Tests\LanguageSwitchingTest
- class \Drupal\language\Tests\LanguageUILanguageNegotiationTest
- class \Drupal\language\Tests\LanguageUrlRewritingTest
- class \Drupal\layout\Tests\DisplayInternalLogicTest
- class \Drupal\layout\Tests\LayoutDerivativesTest
- class \Drupal\link\Tests\LinkFieldTest
- class \Drupal\link\Tests\LinkFieldUITest
- class \Drupal\locale\Tests\LocaleCompareTest
- class \Drupal\locale\Tests\LocaleContentTest
- class \Drupal\locale\Tests\LocaleExportTest
- class \Drupal\locale\Tests\LocaleFileImportStatus
- class \Drupal\locale\Tests\LocaleImportFunctionalTest
- class \Drupal\locale\Tests\LocaleInstallTest
- class \Drupal\locale\Tests\LocaleJavascriptTranslation
- class \Drupal\locale\Tests\LocaleLibraryInfoAlterTest
- class \Drupal\locale\Tests\LocalePathTest
- class \Drupal\locale\Tests\LocalePluralFormatTest
- class \Drupal\locale\Tests\LocaleStringTest
- class \Drupal\locale\Tests\LocaleTranslationTest
- class \Drupal\locale\Tests\LocaleUninstallTest
- class \Drupal\menu\Tests\MenuNodeTest
- class \Drupal\menu\Tests\MenuTest
- class \Drupal\node\Tests\MultiStepNodeFormBasicOptionsTest
- class \Drupal\node\Tests\NodeAccessPagerTest
- class \Drupal\node\Tests\NodeFeedTest
- class \Drupal\node\Tests\NodeFieldMultilingualTestCase
- class \Drupal\node\Tests\NodeTestBase
- class \Drupal\number\Tests\NumberFieldTest
- class \Drupal\openid\Tests\OpenIDTest
- class \Drupal\openid\Tests\OpenIDTestBase
- class \Drupal\path\Tests\PathTestBase
- class \Drupal\php\Tests\PhpTestBase
- class \Drupal\picture\Tests\PictureAdminUITest
- class \Drupal\poll\Tests\PollJsAddChoiceTest
- class \Drupal\poll\Tests\PollTestBase
- class \Drupal\rdf\Tests\CrudTest
- class \Drupal\rdf\Tests\GetNamespacesTest
- class \Drupal\rdf\Tests\GetRdfNamespacesTest
- class \Drupal\rdf\Tests\MappingHookTest
- class \Drupal\rdf\Tests\RdfaMarkupTest
- class \Drupal\rdf\Tests\TrackerAttributesTest
- class \Drupal\rest\Tests\RESTTestBase
- class \Drupal\search\Tests\SearchExcerptTest
- class \Drupal\search\Tests\SearchTestBase
- class \Drupal\shortcut\Tests\ShortcutTestBase
- class \Drupal\simpletest\Tests\BrokenSetUpTest
- class \Drupal\simpletest\Tests\BrowserTest
- class \Drupal\simpletest\Tests\FolderTest
- class \Drupal\simpletest\Tests\InstallationProfileModuleTestsTest
- class \Drupal\simpletest\Tests\MailCaptureTest
- class \Drupal\simpletest\Tests\MissingCheckedRequirementsTest
- class \Drupal\simpletest\Tests\OtherInstallationProfileModuleTestsTest
- class \Drupal\simpletest\Tests\SimpleTestTest
- class \Drupal\standard\Tests\StandardTest
- class \Drupal\statistics\Tests\StatisticsAdminTest
- class \Drupal\statistics\Tests\StatisticsLoggingTest
- class \Drupal\statistics\Tests\StatisticsTestBase
- class \Drupal\syslog\Tests\SyslogTest
- class \Drupal\system\Tests\Ajax\AjaxTestBase
- class \Drupal\system\Tests\Batch\PageTest
- class \Drupal\system\Tests\Batch\ProcessingTest
- class \Drupal\system\Tests\Bootstrap\HookBootExitTest
- class \Drupal\system\Tests\Bootstrap\IpAddressTest
- class \Drupal\system\Tests\Bootstrap\PageCacheTest
- class \Drupal\system\Tests\Bootstrap\VariableTest
- class \Drupal\system\Tests\Bundle\BundleTest
- class \Drupal\system\Tests\Cache\CacheTestBase
- class \Drupal\system\Tests\Common\AddFeedTest
- class \Drupal\system\Tests\Common\AlterTest
- class \Drupal\system\Tests\Common\CascadingStylesheetsTest
- class \Drupal\system\Tests\Common\FormatDateTest
- class \Drupal\system\Tests\Common\GotoTest
- class \Drupal\system\Tests\Common\HttpRequestTest
- class \Drupal\system\Tests\Common\InstallerLanguageTest
- class \Drupal\system\Tests\Common\JavaScriptTest
- class \Drupal\system\Tests\Common\RegionContentTest
- class \Drupal\system\Tests\Common\RenderTest
- class \Drupal\system\Tests\Common\SchemaTest
- class \Drupal\system\Tests\Common\SimpleTestErrorCollectorTest
- class \Drupal\system\Tests\Common\SystemListingTest
- class \Drupal\system\Tests\Common\UrlTest
- class \Drupal\system\Tests\Common\WriteRecordTest
- class \Drupal\system\Tests\Database\DatabaseTestBase
- class \Drupal\system\Tests\Database\EmptyStatementTest
- class \Drupal\system\Tests\Database\NextIdTest
- class \Drupal\system\Tests\Datetime\DrupalDateTimeTest
- class \Drupal\system\Tests\DrupalKernel\ContentNegotiationTest
- class \Drupal\system\Tests\Entity\EntityAccessTest
- class \Drupal\system\Tests\Entity\EntityApiInfoTest
- class \Drupal\system\Tests\Entity\EntityApiTest
- class \Drupal\system\Tests\Entity\EntityCrudHookTest
- class \Drupal\system\Tests\Entity\EntityFieldTest
- class \Drupal\system\Tests\Entity\EntityFormTest
- class \Drupal\system\Tests\Entity\EntityQueryRelationshipTest
- class \Drupal\system\Tests\Entity\EntityQueryTest
- class \Drupal\system\Tests\Entity\EntityRevisionsTest
- class \Drupal\system\Tests\Entity\EntityTranslationFormTest
- class \Drupal\system\Tests\Entity\EntityTranslationTest
- class \Drupal\system\Tests\Entity\EntityUUIDTest
- class \Drupal\system\Tests\FileTransfer\FileTransferTest
- class \Drupal\system\Tests\File\FileTestBase
- class \Drupal\system\Tests\File\MimeTypeTest
- class \Drupal\system\Tests\File\StreamWrapperTest
- class \Drupal\system\Tests\Form\AlterTest
- class \Drupal\system\Tests\Form\ArbitraryRebuildTest
- class \Drupal\system\Tests\Form\CheckboxTest
- class \Drupal\system\Tests\Form\ElementsLabelsTest
- class \Drupal\system\Tests\Form\ElementsTableSelectTest
- class \Drupal\system\Tests\Form\ElementsVerticalTabsTest
- class \Drupal\system\Tests\Form\ElementTest
- class \Drupal\system\Tests\Form\EmailTest
- class \Drupal\system\Tests\Form\FileInclusionTest
- class \Drupal\system\Tests\Form\FormTest
- class \Drupal\system\Tests\Form\HTMLIdTest
- class \Drupal\system\Tests\Form\LanguageSelectElementTest
- class \Drupal\system\Tests\Form\ProgrammaticTest
- class \Drupal\system\Tests\Form\RebuildTest
- class \Drupal\system\Tests\Form\RedirectTest
- class \Drupal\system\Tests\Form\StateValuesCleanAdvancedTest
- class \Drupal\system\Tests\Form\StateValuesCleanTest
- class \Drupal\system\Tests\Form\StorageTest
- class \Drupal\system\Tests\Form\TriggeringElementTest
- class \Drupal\system\Tests\Form\UrlTest
- class \Drupal\system\Tests\Form\ValidationTest
- class \Drupal\system\Tests\Form\WrapperTest
- class \Drupal\system\Tests\Image\ToolkitGdTest
- class \Drupal\system\Tests\Image\ToolkitTestBase
- class \Drupal\system\Tests\Lock\LockFunctionalTest
- class \Drupal\system\Tests\Mail\HtmlToTextTest
- class \Drupal\system\Tests\Mail\MailTest implements MailInterface
- class \Drupal\system\Tests\Menu\LinksTest
- class \Drupal\system\Tests\Menu\MenuTestBase
- class \Drupal\system\Tests\Menu\RebuildTest
- class \Drupal\system\Tests\Menu\RouterTest
- class \Drupal\system\Tests\Menu\TreeOutputTest
- class \Drupal\system\Tests\Module\ClassLoaderTest
- class \Drupal\system\Tests\Module\InstallTest
- class \Drupal\system\Tests\Module\ModuleApiTest
- class \Drupal\system\Tests\Module\ModuleEnable
- class \Drupal\system\Tests\Module\ModuleTestBase
- class \Drupal\system\Tests\Module\UninstallTest
- class \Drupal\system\Tests\Pager\PagerTest
- class \Drupal\system\Tests\Path\MatchPathTest
- class \Drupal\system\Tests\Path\UrlAlterFunctionalTest
- class \Drupal\system\Tests\Plugin\AlterDecoratorTest
- class \Drupal\system\Tests\Queue\QueueTest
- class \Drupal\system\Tests\Routing\RouterPermissionTest
- class \Drupal\system\Tests\Routing\RouterTest
- class \Drupal\system\Tests\Serialization\SerializationTest
- class \Drupal\system\Tests\Session\SessionHttpsTest
- class \Drupal\system\Tests\Session\SessionTest
- class \Drupal\system\Tests\System\AccessDeniedTest
- class \Drupal\system\Tests\System\AdminMetaTagTest
- class \Drupal\system\Tests\System\AdminTest
- class \Drupal\system\Tests\System\CronRunTest
- class \Drupal\system\Tests\System\DateFormatsLanguageTest
- class \Drupal\system\Tests\System\DateTimeTest
- class \Drupal\system\Tests\System\DefaultMobileMetaTagsTest
- class \Drupal\system\Tests\System\ErrorHandlerTest
- class \Drupal\system\Tests\System\FloodTest
- class \Drupal\system\Tests\System\FrontPageTest
- class \Drupal\system\Tests\System\IndexPhpTest
- class \Drupal\system\Tests\System\InfoAlterTest
- class \Drupal\system\Tests\System\MainContentFallbackTest
- class \Drupal\system\Tests\System\PageNotFoundTest
- class \Drupal\system\Tests\System\PageTitleFilteringTest
- class \Drupal\system\Tests\System\RetrieveFileTest
- class \Drupal\system\Tests\System\ShutdownFunctionsTest
- class \Drupal\system\Tests\System\SiteMaintenanceTest
- class \Drupal\system\Tests\System\SystemAuthorizeTest
- class \Drupal\system\Tests\System\SystemConfigFormBase
- class \Drupal\system\Tests\System\ThemeTest
- class \Drupal\system\Tests\System\TokenReplaceTest
- class \Drupal\system\Tests\Theme\EntityFilteringThemeTest
- class \Drupal\system\Tests\Theme\FastTest
- class \Drupal\system\Tests\Theme\FunctionsTest
- class \Drupal\system\Tests\Theme\HookInitTest
- class \Drupal\system\Tests\Theme\HtmlTplPhpAttributesTest
- class \Drupal\system\Tests\Theme\RegistryTest
- class \Drupal\system\Tests\Theme\TableTest
- class \Drupal\system\Tests\Theme\ThemeTest
- class \Drupal\system\Tests\Theme\ThemeTestTwig
- class \Drupal\system\Tests\TypedData\TypedDataTest
- class \Drupal\system\Tests\Update\DependencyHookInvocationTest
- class \Drupal\system\Tests\Update\DependencyMissingTest
- class \Drupal\system\Tests\Update\DependencyOrderingTest
- class \Drupal\system\Tests\Update\UpdateScriptTest
- class \Drupal\system\Tests\Upgrade\UpgradePathTestBase
- class \Drupal\taxonomy\Tests\TaxonomyTermReferenceItemTest
- class \Drupal\taxonomy\Tests\TaxonomyTestBase
- class \Drupal\text\Tests\TextFieldTest
- class \Drupal\text\Tests\TextSummaryTest
- class \Drupal\text\Tests\TextTranslationTest
- class \Drupal\toolbar\Tests\ToolbarHookToolbarTest
- class \Drupal\tracker\Tests\TrackerNodeAccessTest
- class \Drupal\tracker\Tests\TrackerTest
- class \Drupal\translation\Tests\TranslationTest
- class \Drupal\translation_entity\Tests\EntityTranslationUITest
- class \Drupal\update\Tests\UpdateTestBase
- class \Drupal\user\Tests\UserAccountLinksTests
- class \Drupal\user\Tests\UserAdminTest
- class \Drupal\user\Tests\UserAuthmapAssignmentTest
- class \Drupal\user\Tests\UserAutocompleteTest
- class \Drupal\user\Tests\UserBlocksTests
- class \Drupal\user\Tests\UserCancelTest
- class \Drupal\user\Tests\UserCreateTest
- class \Drupal\user\Tests\UserDeleteTest
- class \Drupal\user\Tests\UserEditedOwnAccountTest
- class \Drupal\user\Tests\UserEditTest
- class \Drupal\user\Tests\UserEntityCallbacksTest
- class \Drupal\user\Tests\UserLanguageCreationTest
- class \Drupal\user\Tests\UserLanguageTest
- class \Drupal\user\Tests\UserLoginTest
- class \Drupal\user\Tests\UserPasswordResetTest
- class \Drupal\user\Tests\UserPermissionsTest
- class \Drupal\user\Tests\UserPictureTest
- class \Drupal\user\Tests\UserRegistrationTest
- class \Drupal\user\Tests\UserRoleAdminTest
- class \Drupal\user\Tests\UserRolesAssignmentTest
- class \Drupal\user\Tests\UserSaveTest
- class \Drupal\user\Tests\UserSearchTest
- class \Drupal\user\Tests\UserSignatureTest
- class \Drupal\user\Tests\UserTimeZoneTest
- class \Drupal\user\Tests\UserTokenReplaceTest
- class \Drupal\user\Tests\UserValidateCurrentPassCustomFormTest
- class \Drupal\user\Tests\UserValidationTest
- class \Drupal\views\Tests\DefaultViewsTest
- class \Drupal\views\Tests\ViewTestBase
- class \Drupal\xmlrpc\Tests\XmlRpcBasicTest
- class \Drupal\xmlrpc\Tests\XmlRpcMessagesTest
- class \Drupal\xmlrpc\Tests\XmlRpcValidatorTest