BoxConstraints can be non-normalised (minWidth > maxWidth, for instance) #140

Issue by Hixie
Monday Aug 24, 2015 at 20:45 GMT
Originally opened as https://github.com/flutter/engine/issues/778

We should figure out what to do about that. For example:

• have layout() assert that the constraints are normalised
• have BoxConstraints.normalize() for when you want to fix them up
• have the non-const BoxConstraints constructors enforce normalisation