https://bugs.winehq.org/show_bug.cgi?id=38048
--- Comment #15 from Ruslan Kabatsayev b7.10110111@gmail.com --- (In reply to Sergey Isakov from comment #14)
These tests shown you want to show. In real life we should follow Microsoft requirements: if src_levels < dst_levels then the method UpdateTexture must return fail and not continue to work with unpredictable rezults.
In real life Wine should follow Windows behavior, not errors in the documentation.