Philip Withnall b7153f5072
performance: Fix signedness of ints throughout
The tests were using a lot of signed `int`s when actually the values
being handled were always non-negative. Use `unsigned int` consistently
throughout.

Take the opportunity to move declarations of loop iterator variables
into the loops.

This introduces no functional changes.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>

Helps: #3405
2024-06-28 14:41:48 +01:00
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2023-12-31 09:09:48 +00:00
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2023-11-04 10:40:30 +00:00