CronRunTestCase::testTempFileCleanup in modules/system/tests/system.test

Ensure that temporary files are removed.

FileSaveDataTest::testExistingError in modules/simpletest/tests/file.test

Test that file_save_data() fails overwriting an existing file.

FileSaveDataTest::testExistingRename in modules/simpletest/tests/file.test

Test file_save_data() when renaming around an existing file.

FileSaveDataTest::testExistingReplace in modules/simpletest/tests/file.test

Test file_save_data() when replacing an existing file.

FileSaveDataTest::testWithFilename in modules/simpletest/tests/file.test

Test the file_save_data() function when a filename is provided.

FileSaveDataTest::testWithoutFilename in modules/simpletest/tests/file.test

Test the file_save_data() function when no filename is provided.

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

Creates a temporary file, for a specific user.

system_retrieve_file in modules/system/system.module

Attempts to get a file using backdrop_http_request and to store it locally.