From 26c48cc409c54ccde954027fcef6f713f0d6d5c0 Mon Sep 17 00:00:00 2001
From: Rangi <sylvie.oukaour+rangi42@gmail.com>
Date: Wed, 8 Oct 2025 15:44:15 -0400
Subject: [PATCH] Add RGBGFX test for libpng warning with invalid bKGD chunk

---
 test/gfx/invalid-bkgd.err      |   1 +
 test/gfx/invalid-bkgd.out.2bpp | Bin 0 -> 16 bytes
 test/gfx/invalid-bkgd.out.pal  |   2 ++
 test/gfx/invalid-bkgd.png      | Bin 0 -> 363 bytes
 4 files changed, 3 insertions(+)
 create mode 100644 test/gfx/invalid-bkgd.err
 create mode 100644 test/gfx/invalid-bkgd.out.2bpp
 create mode 100644 test/gfx/invalid-bkgd.out.pal
 create mode 100755 test/gfx/invalid-bkgd.png

diff --git a/test/gfx/invalid-bkgd.err b/test/gfx/invalid-bkgd.err
new file mode 100644
index 00000000..c2d5fb44
--- /dev/null
+++ b/test/gfx/invalid-bkgd.err
@@ -0,0 +1 @@
+warning: libpng found while reading PNG image ("invalid-bkgd.png"): bKGD: invalid
diff --git a/test/gfx/invalid-bkgd.out.2bpp b/test/gfx/invalid-bkgd.out.2bpp
new file mode 100644
index 0000000000000000000000000000000000000000..94d79e8de008abaf75c1c7960cd4078b3e83c94c
GIT binary patch
literal 16
Ucmey*@Sh<Kh(m!`g@J(q05#$S+yDRo

literal 0
HcmV?d00001

diff --git a/test/gfx/invalid-bkgd.out.pal b/test/gfx/invalid-bkgd.out.pal
new file mode 100644
index 00000000..0d37980d
--- /dev/null
+++ b/test/gfx/invalid-bkgd.out.pal
@@ -0,0 +1,2 @@
+Ò
+„ÿÿÿÿ
\ No newline at end of file
diff --git a/test/gfx/invalid-bkgd.png b/test/gfx/invalid-bkgd.png
new file mode 100755
index 0000000000000000000000000000000000000000..8cfd4177de0ff15cbd81f6869911a4db2f10e74a
GIT binary patch
literal 363
zcmeAS@N?(olHy`uVBq!ia0vp^93afW1|*O0@9PFq3dtTpz6=aiY77hwEes65fI<x~
z7#K<o7#Ln9FfdrnU|<k0n6oR;1}MQ<;1OBOz`%C|gc+x5^GO2*8I!!-U6|6iYf^w5
z_7YEDSN4}&tRlR|6Bo$z0fkgcTq8<S5=&C8l8aJ-6oZk0k*Thsfv$mRh@qvGiJ6tL
zv9^JMm4ShSV3RwFhTQy=%(O~O4Mt`V4eRfT9s+96fZI@#nVVW%l9*e7tjEZ}%Fx)#
z)BvLAZ-@goP>;2zi(`mJaB_%W=)dy~>;{gRa~f8j_%A!<<N=1H#h*E&880_>t7R}f
szM|Wdz*;Na`e4_Dn+2>l7@3(FoI+(y*kk_J0F7brboFyt=akR{08tlVT>t<8

literal 0
HcmV?d00001