ImageAdminStylesUnitTest::testDefaultStyle in core/modules/image/tests/image.test

Test to override, edit, then revert a style.

ImageAdminStylesUnitTest::testNumericStyleName in core/modules/image/tests/image.test

Test creating an image style with a numeric name and ensuring it can be applied to an image.

ImageAdminStylesUnitTest::testStyle in core/modules/image/tests/image.test

General test to add a style, add/remove/edit effects to it, then delete it.

ImageStyleFlushTest::testFlush in core/modules/image/tests/image.test

General test to flush a style.

image_style_flush in core/modules/image/image.module

Flush cached media for a style.

image_update_1001 in core/modules/image/image.install

Convert available database image styles to configuration files.

image_update_1002 in core/modules/image/image.install

Drop image tables that were converted to configuration files.

image_update_1003 in core/modules/image/image.install

Add labels to all available styles.