19 calls to TestBase::assertNull()

CacheDecoratorTest::testClearCachedDefinitions in drupal/core/modules/system/lib/Drupal/system/Tests/Plugin/CacheDecoratorTest.php
Tests CacheDecorator::clearCachedDefinitions().
ConfigFileContentTest::testReadWriteConfig in drupal/core/modules/config/lib/Drupal/config/Tests/ConfigFileContentTest.php
Tests setting, writing, and reading of a configuration setting.
EmptyStatementTest::testEmpty in drupal/core/modules/system/lib/Drupal/system/Tests/Database/EmptyStatementTest.php
Tests that the empty result set behaves as empty.
EntityFieldTest::testReadWrite in drupal/core/modules/system/lib/Drupal/system/Tests/Entity/EntityFieldTest.php
Tests reading and writing properties and field items.
EntityTranslationTest::testEntityLanguageMethods in drupal/core/modules/system/lib/Drupal/system/Tests/Entity/EntityTranslationTest.php
Tests language related methods of the Entity class.
EntityUUIDTest::testCRUD in drupal/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUUIDTest.php
Tests UUID generation in entity CRUD operations.
FieldInfoTest::testInstanceDisabledEntityType in drupal/core/modules/field/lib/Drupal/field/Tests/FieldInfoTest.php
Test that instances on disabled entity types are filtered out.
HttpMethodMatcherTest::testFilterRoutes in drupal/core/modules/system/lib/Drupal/system/Tests/Routing/HttpMethodMatcherTest.php
Confirms that the HttpMethod matcher matches properly.
JoinTest::testBasePlugin in drupal/core/modules/views/lib/Drupal/views/Tests/Plugin/JoinTest.php
Tests the join plugin base.
MailTest::testCancelMessage in drupal/core/modules/system/lib/Drupal/system/Tests/Mail/MailTest.php
Test that message sending may be canceled.
ManageFieldsTest::testDeleteField in drupal/core/modules/field_ui/lib/Drupal/field_ui/Tests/ManageFieldsTest.php
Tests that deletion removes fields and instances as expected.
MimeTypeMatcherTest::testFilterRoutes in drupal/core/modules/system/lib/Drupal/system/Tests/Routing/MimeTypeMatcherTest.php
Confirms that the MimeType matcher matches properly.
ReadTest::testRead in drupal/core/modules/rest/lib/Drupal/rest/Tests/ReadTest.php
Tests several valid and invalid read requests on all entity types.
SessionTest::assertSessionCookie in drupal/core/modules/system/lib/Drupal/system/Tests/Session/SessionTest.php
Assert whether the SimpleTest browser sent a session cookie.
StorageTestBase::testNonExistingKeys in drupal/core/modules/system/lib/Drupal/system/Tests/KeyValueStore/StorageTestBase.php
Tests expected behavior for non-existing keys.
TaggingTest::testMetaData in drupal/core/modules/system/lib/Drupal/system/Tests/Database/TaggingTest.php
Tests that we can attach metadata to a query object.
TypedDataTest::testGetAndSet in drupal/core/modules/system/lib/Drupal/system/Tests/TypedData/TypedDataTest.php
Tests the basics around constructing and working with data wrappers.
UpdateTest::testSimpleNullUpdate in drupal/core/modules/system/lib/Drupal/system/Tests/Database/UpdateTest.php
Confirms updating to NULL.
VocabularyLanguageTest::testVocabularyDefaultLanguageForTerms in drupal/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/VocabularyLanguageTest.php
Tests term language settings for vocabulary terms are saved and updated.