FieldBulkDeleteTestCase::testPurgeField in core/modules/field/tests/field.test

Verify that fields are preserved and purged correctly as multiple instances are deleted and purged.

FieldBulkDeleteTestCase::testPurgeInstance in core/modules/field/tests/field.test

Verify that field data items and instances are purged when an instance is deleted.

FieldCrudTestCase::testDeleteField in core/modules/field/tests/field.test

Test the deletion of a field.

field_config_delete in core/modules/field/field.module

Implements hook_config_delete().

field_cron in core/modules/field/field.module

Implements hook_cron().

field_delete_field in core/modules/field/field.crud.inc

Marks a field and its instances and data for deletion.

field_ui_field_delete_form_submit in core/modules/field_ui/field_ui.admin.inc

Form submission handler for field_ui_field_delete_form().

FileFieldValidateTestCase::testRequired in core/modules/file/tests/file.test

Tests the required property on file fields.