From d457ef607d9c68bd18c2f9c24a8066ed639123c3 Mon Sep 17 00:00:00 2001
From: Gaurang Bhatia <gaurang525@outlook.com>
Date: Sat, 22 Nov 2025 09:25:14 +0530
Subject: [PATCH] Add test for JBIG2 decoder with >4 referred-to segments

Add regression test for issue #20439 to ensure that JBIG2 images
with more than 4 referred-to segments are handled correctly.
---
 test/pdfs/issue20439.pdf | Bin 0 -> 1300 bytes
 test/test_manifest.json  |   7 +++++++
 2 files changed, 7 insertions(+)
 create mode 100644 test/pdfs/issue20439.pdf

diff --git a/test/pdfs/issue20439.pdf b/test/pdfs/issue20439.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5ed98c756706fdbc43d889ffcddc7b1b1dba7b75
GIT binary patch
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diff --git a/test/test_manifest.json b/test/test_manifest.json
index f864c2be9..7ab71471b 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -2809,6 +2809,13 @@
     "rounds": 1,
     "type": "eq"
   },
+  {
+    "id": "issue20439",
+    "file": "pdfs/issue20439.pdf",
+    "md5": "3c7e888b26ff00943ec1610d93235efc",
+    "rounds": 1,
+    "type": "eq"
+  },
   {
     "id": "issue15942",
     "file": "pdfs/issue15942.pdf",