[wp-trac] [WordPress Trac] #44127: editing an image can result in intermediate sized images left over after the image is deleted

[WordPress Trac]

#44127: editing an image can result in intermediate sized images left over after
the image is deleted
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 Reporter:  pbiron        |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:  4.9.5
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by pbiron):

 This is the 1st of several comments calling out specific questions in the
 unit tests.

 I wrote tests for how `scale` and `crop` effect
 `_wp_attachment_backup_sizes` but not for `rotate` and `flip` because it
 doesn't seem to me that they were necessary as those operations produce
 the same mods on `_wp_attachment_backup_sizes` as `crop` does.

 Can someone who knows the code better than I do confirm that tests for
 `rotate` and `flip` aren't necessary?

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Ticket URL: <https://core.trac.wordpress.org/ticket/44127#comment:6>
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