$ docker run --rm --name validator-giflib-usage-giflib-tools-giftext-colormap-2536 -t --mount type=bind,src=/tmp/validator-status-giflib-usage-giflib-tools-giftext-colormap,dst=/validator/status validator-giflib-shared bash -lc 'set -euo pipefail
/validator/tests/_shared/install_override_debs.sh
exec /validator/tests/_shared/run_library_tests.sh "$@"' validator-testcase giflib usage-giflib-tools-giftext-colormap -- bash -c 'PS4=$1; shift; set -x; source "$@"' validator-xtrace '__VALIDATOR_XTRACE__ ' /validator/tests/giflib/tests/cases/usage/usage-giflib-tools-giftext-colormap.sh
no override packages found; continuing with apt originals

/validator/tests/giflib/tests/fixtures/samples/pic/treescap.gif:

	Screen Size - Width = 40, Height = 40.
	ColorResolution = 7, BitsPerPixel = 4, BackGround = 0, Aspect = 0.
	Has Global Color Map.

	Global Color Map:
	Sort Flag: off
  0: 2eh 8ch 5dh     1: 00h ffh ffh     2: 00h 9dh 00h     3: 51h c8h 56h   
  4: beh beh beh     5: 6eh 6eh 6eh     6: ffh ffh 00h     7: 88h 73h 5fh   
  8: e7h e7h e7h     9: 00h 99h 66h    10: 00h 00h 00h    11: 00h 00h 00h   
 12: 00h 00h 00h    13: 00h 00h 00h    14: 00h 00h 00h    15: 00h 00h 00h   

Image #1:

	Image Size - Left = 0, Top = 0, Width = 40, Height = 40.
	Image is Non Interlaced.
	No Image Color Map.

GIF file terminated normally.