469881 - need more tests for dynamic changes to medium characteristics

Status: NEW

(Core :: CSS Parsing and Computation, defect)

Description

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

In bug 156716 comment 75, I wrote:
> We could also use more tests for dynamic change cases, e.g., making sure that
> things that cause any of the features to change actually get reevaluated
> dynamically.  These include changes of preferences (layout.css.dpi, font size
> preferences (where I think we're currently buggy), changes of full zoom or text
> zoom, changes of window size, dynamic changes (from the OS) of screen size or
> resolution, etc.  Some of these are easy to test; some are quite hard.

Comment 1

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

Bug 473400 adds some tests for dynamic changes to fullZoom and textZoom, plus a framework to which more could be added.