BlockTestCase::testCustomBlock in modules/block/tests/block.test

Test creating custom block, editing, and then deleting it.

FileDeleteTest::testInUse in modules/simpletest/tests/file.test

Tries deleting a file that is in use.

file_managed_file_validate in modules/file/file.module

Render API callback: Validates the managed_file element.

file_move in includes/file.inc

Moves a file to a new location and update the file's database entry.

FilePrivateTestCase::testPrivateFile in modules/file/tests/file.test

Tests file access for file uploaded to a private node.

file_usage_delete in includes/file.inc

Removes a record to indicate that a module is no longer using a file.

_file_usage_get_total in modules/file/file.pages.inc

Get the complete total number of known usages for a file.

_file_usage_list_links in modules/file/file.pages.inc

Build a list of links to content that references a file.

file_usage_page in modules/file/file.pages.inc

Page callback to show file usage information.

FileUsageTest::testGetUsage in modules/simpletest/tests/file.test

Tests file_usage_list().

FilterFileUsageTest::testFilterEntityHooks in modules/filter/tests/filter.test

Tests file usages are tracked in creating, updating, and deleting content.

LayoutBlockTextTest::testBlockText in modules/layout/tests/layout.test

Tests the BlockText class functionality.

system_cron in modules/system/system.module

Implements hook_cron().