22 uses of DRUPAL_OPTIONAL

CommentInterfaceTest::testCommentInterface in core/modules/comment/tests/src/Functional/CommentInterfaceTest.php
Tests the comment interface.
CommentItem::defaultFieldSettings in core/modules/comment/src/Plugin/Field/FieldType/CommentItem.php
Defines the field-level settings for this plugin.
CommentNonNodeTest::postComment in core/modules/comment/tests/src/Functional/CommentNonNodeTest.php
Posts a comment.
CommentPagerTest::testTwoPagers in core/modules/comment/tests/src/Functional/CommentPagerTest.php
Confirms comment paging works correctly with two pagers.
CommentPreviewTest::testCommentEditPreviewSave in core/modules/comment/tests/src/Functional/CommentPreviewTest.php
Tests comment edit, preview, and save.
CommentPreviewTest::testCommentPreview in core/modules/comment/tests/src/Functional/CommentPreviewTest.php
Tests comment preview.
CommentPreviewTest::testCommentPreviewDuplicateSubmission in core/modules/comment/tests/src/Functional/CommentPreviewTest.php
Tests comment preview.
CommentTestBase::postComment in core/modules/comment/tests/src/Functional/CommentTestBase.php
Posts a comment.
CommentTestBase::setCommentPreview in core/modules/comment/tests/src/Functional/CommentTestBase.php
Sets the value governing the previewing mode for the comment form.
LinkField::alterFieldInstanceMigration in core/modules/link/src/Plugin/migrate/field/d7/LinkField.php
Apply any custom processing to the field instance migration.
LinkFieldTest::doTestLinkTitle in core/modules/link/tests/src/Functional/LinkFieldTest.php
Tests the link title settings of a link field.
LinkFieldTest::testAlterFieldInstanceMigration in core/modules/link/tests/src/Kernel/Plugin/migrate/field/d7/LinkFieldTest.php
@covers ::alterFieldInstanceMigration
LinkFieldUITest::providerTestFieldUI in core/modules/link/tests/src/Functional/LinkFieldUITest.php
Provides test data for ::testFieldUI().
LinkItem::defaultFieldSettings in core/modules/link/src/Plugin/Field/FieldType/LinkItem.php
Defines the field-level settings for this plugin.
LinkItem::generateSampleValue in core/modules/link/src/Plugin/Field/FieldType/LinkItem.php
Generates placeholder field values.
LinkWidget::formElement in core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php
Returns the form for a single field widget.
MigrateFieldInstanceTest::testFieldInstances in core/modules/field/tests/src/Kernel/Migrate/d7/MigrateFieldInstanceTest.php
Tests migrating D7 field instances to field_config entities.
MigrateNodeTypeTest::testNodeType in core/modules/node/tests/src/Kernel/Migrate/d6/MigrateNodeTypeTest.php
Tests Drupal 6 node type to Drupal 8 migration.
NodeTypeValidationTest::testPreviewModeValidation in core/modules/node/tests/src/Kernel/NodeTypeValidationTest.php
Tests that a node type's preview mode is constrained to certain values.
RouteCachingLanguageTest::setUp in core/tests/Drupal/FunctionalTests/Routing/RouteCachingLanguageTest.php
SearchCommentTest::testSearchResultsComment in core/modules/search/tests/src/Functional/SearchCommentTest.php
Verify that comments are rendered using proper format in search results.
SearchCommentTest::testSearchResultsCommentAccess in core/modules/search/tests/src/Functional/SearchCommentTest.php
Verify access rules for comment indexing with different permissions.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.