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Title	Object type	File name	Summary
ForumUninstallValidatorTest::testValidate	function	core/modules/forum/tests/src/Unit/ForumUninstallValidatorTest.php	@covers ::validate[[api-linebreak]]
ForumUninstallValidatorTest::testValidateHasForumNodes	function	core/modules/forum/tests/src/Unit/ForumUninstallValidatorTest.php	@covers ::validate[[api-linebreak]]
ForumUninstallValidatorTest::testValidateHasTermsForVocabularyAccess	function	core/modules/forum/tests/src/Unit/ForumUninstallValidatorTest.php	@covers ::validate[[api-linebreak]]
ForumUninstallValidatorTest::testValidateHasTermsForVocabularyNoAccess	function	core/modules/forum/tests/src/Unit/ForumUninstallValidatorTest.php	@covers ::validate[[api-linebreak]]
ForumUninstallValidatorTest::testValidateHasTermsForVocabularyWithNodesAccess	function	core/modules/forum/tests/src/Unit/ForumUninstallValidatorTest.php	@covers ::validate[[api-linebreak]]
ForumUninstallValidatorTest::testValidateHasTermsForVocabularyWithNodesNoAccess	function	core/modules/forum/tests/src/Unit/ForumUninstallValidatorTest.php	@covers ::validate[[api-linebreak]]
ForumUninstallValidatorTest::testValidateNotForum	function	core/modules/forum/tests/src/Unit/ForumUninstallValidatorTest.php	@covers ::validate[[api-linebreak]]
ForumValidationTest	class	core/modules/forum/tests/src/Kernel/ForumValidationTest.php	Tests forum validation constraints.
ForumValidationTest.php	file	core/modules/forum/tests/src/Kernel/ForumValidationTest.php
ForumValidationTest::$modules	property	core/modules/forum/tests/src/Kernel/ForumValidationTest.php	Modules to install.
ForumValidationTest::testValidation	function	core/modules/forum/tests/src/Kernel/ForumValidationTest.php	Tests the forum validation constraints.
GDToolkit::isValid	function	core/modules/system/src/Plugin/ImageToolkit/GDToolkit.php	Checks if the image is valid.
GenericCacheBackendUnitTestBase::testInvalidate	function	core/modules/system/src/Tests/Cache/GenericCacheBackendUnitTestBase.php	Test Drupal\Core\Cache\CacheBackendInterface::invalidate() and Drupal\Core\Cache\CacheBackendInterface::invalidateMultiple().
GenericCacheBackendUnitTestBase::testInvalidate	function	core/tests/Drupal/KernelTests/Core/Cache/GenericCacheBackendUnitTestBase.php	Test Drupal\Core\Cache\CacheBackendInterface::invalidate() and Drupal\Core\Cache\CacheBackendInterface::invalidateMultiple().
GenericCacheBackendUnitTestBase::testInvalidateAll	function	core/tests/Drupal/KernelTests/Core/Cache/GenericCacheBackendUnitTestBase.php	Test Drupal\Core\Cache\CacheBackendInterface::invalidateAll().
GenericCacheBackendUnitTestBase::testInvalidateAll	function	core/modules/system/src/Tests/Cache/GenericCacheBackendUnitTestBase.php	Test Drupal\Core\Cache\CacheBackendInterface::invalidateAll().
GenericCacheBackendUnitTestBase::testInvalidateTags	function	core/modules/system/src/Tests/Cache/GenericCacheBackendUnitTestBase.php	Tests Drupal\Core\Cache\CacheBackendInterface::invalidateTags().
GenericCacheBackendUnitTestBase::testInvalidateTags	function	core/tests/Drupal/KernelTests/Core/Cache/GenericCacheBackendUnitTestBase.php	Tests Drupal\Core\Cache\CacheBackendInterface::invalidateTags().
HandlerBase::validate	function	core/modules/views/src/Plugin/views/HandlerBase.php	Validate that the plugin is correct and can be saved.
HandlerBase::validateExposed	function	core/modules/views/src/Plugin/views/HandlerBase.php	Validate the exposed handler form
HandlerBase::validateExposeForm	function	core/modules/views/src/Plugin/views/HandlerBase.php	Validate the options form.
HandlerBase::validateExtraOptionsForm	function	core/modules/views/src/Plugin/views/HandlerBase.php	Validate the options form.
HelpTopicDiscoveryTest::testDiscoveryExceptionInvalidRelated	function	core/modules/help_topics/tests/src/Unit/HelpTopicDiscoveryTest.php	@covers ::findAll[[api-linebreak]]
HelpTopicDiscoveryTest::testDiscoveryExceptionInvalidTopLevel	function	core/modules/help_topics/tests/src/Unit/HelpTopicDiscoveryTest.php	@covers ::findAll[[api-linebreak]]
HelpTopicDiscoveryTest::testDiscoveryExceptionInvalidYamlKey	function	core/modules/help_topics/tests/src/Unit/HelpTopicDiscoveryTest.php	@covers ::findAll[[api-linebreak]]
hook_file_validate	function	core/modules/file/file.api.php	Check that files meet a given criteria.
hook_validation_constraint_alter	function	core/core.api.php	Alter validation constraint plugin definitions.
hook_views_invalidate_cache	function	core/modules/views/views.api.php	Allow modules to respond to the invalidation of the Views cache.
hook_views_plugins_argument_validator_alter	function	core/modules/views/views.api.php	Modify the list of available views argument validation plugins.
Image::isValid	function	core/lib/Drupal/Core/Image/Image.php	Checks if the image is valid.
ImageEffectFormBase::validateForm	function	core/modules/image/src/Form/ImageEffectFormBase.php	Form validation handler.
ImageEffectsTest::testEffectFormValidationErrors	function	core/modules/image/tests/src/Functional/ImageEffectsTest.php	Tests if validation errors are passed plugin form to the parent form.
ImageFieldDefaultImagesTest::testInvalidDefaultImage	function	core/modules/image/tests/src/Functional/ImageFieldDefaultImagesTest.php	Tests image field and field storage having an invalid default image.
ImageFieldValidateTest	class	core/modules/image/tests/src/FunctionalJavascript/ImageFieldValidateTest.php	Tests validation functions such as min/max resolution.
ImageFieldValidateTest	class	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	Tests validation functions such as min/max resolution.
ImageFieldValidateTest.php	file	core/modules/image/tests/src/FunctionalJavascript/ImageFieldValidateTest.php
ImageFieldValidateTest.php	file	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php
ImageFieldValidateTest::$defaultTheme	property	core/modules/image/tests/src/FunctionalJavascript/ImageFieldValidateTest.php	The theme to install as the default for testing.
ImageFieldValidateTest::$defaultTheme	property	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	The theme to install as the default for testing.
ImageFieldValidateTest::getFieldSettings	function	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	Returns field settings.
ImageFieldValidateTest::providerTestEmpty	function	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	Data provider for ::testEmpty()
ImageFieldValidateTest::testAJAXValidationMessage	function	core/modules/image/tests/src/FunctionalJavascript/ImageFieldValidateTest.php	Test the validation message is displayed only once for ajax uploads.
ImageFieldValidateTest::testEmpty	function	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	Tests creating an entity while leaving the image field empty.
ImageFieldValidateTest::testFriendlyAjaxValidation	function	core/modules/image/tests/src/FunctionalJavascript/ImageFieldValidateTest.php	Tests that image field validation works with other form submit handlers.
ImageFieldValidateTest::testRequiredAttributes	function	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	Test that required alt/title fields gets validated right.
ImageFieldValidateTest::testResolution	function	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	Test min/max resolution settings.
ImageFieldValidateTest::testValid	function	core/modules/image/tests/src/Functional/ImageFieldValidateTest.php	Test image validity.
ImageInterface::isValid	function	core/lib/Drupal/Core/Image/ImageInterface.php	Checks if the image is valid.
ImageItem::validateDefaultImageForm	function	core/modules/image/src/Plugin/Field/FieldType/ImageItem.php	Validates the managed_file element for the default Image form.
ImageItem::validateResolution	function	core/modules/image/src/Plugin/Field/FieldType/ImageItem.php	Element validate function for resolution fields.

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