FileAccessTestCase::testFilePageAccess in modules/file/tests/file.test

Tests page access.

file_add_form_submit in modules/file/file.pages.inc

Submit handler for the add file form.

FileFileTypeClassificationTestCase::testFileTypeClassification in modules/file/tests/file.test

Test that existing files are properly classified by file type.

file_save_upload in includes/file.inc

Saves a file upload to a new location.

FileTestHelper::createTemporaryFile in modules/file/tests/file.test

Creates a temporary file, for a specific user.

file_type_determine in modules/file/file.module

FileUnitTestCase::testFile in modules/file/tests/file.test

Tests basic file entity properties.

FileUnitTestCase::testImageDimensions in modules/file/tests/file.test

Tests storing image height and width as file metadata.