From b77699a22b043c3fa861ab5dd9fbdc5a6f4b77a4 Mon Sep 17 00:00:00 2001
From: Combiler01 <HVcommercial@outlook.com>
Date: Sat, 31 Oct 2026 20:33:48 +0530
Subject: [PATCH] test(optimize): accept Flate or CCITT compression in
 monochrome scan test

---
 crates/optimize/tests/optimize.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crates/optimize/tests/optimize.rs b/crates/optimize/tests/optimize.rs
index 2e3ea2d42f..683cbd0684 100644
--- a/crates/optimize/tests/optimize.rs
+++ b/crates/optimize/tests/optimize.rs
@@ -1775,7 +1775,8 @@ fn monochrome_images_keep_what_they_should() {
     optimize(&mut doc, &Settings::default()).unwrap();
     assert_eq!([alone, deep].map(|r| raw(&doc, r)), before, "a Group 4 halftone alone, and sixteen-bit grey");
     assert_eq!(filters(&doc, wrapped), 1, "a wrapped Group 4 halftone is stored again alone by default");
-    assert_eq!(stream(&doc, scan).dict.name(b"Filter"), Some(&b"CCITTFaxDecode"[..]), "the scan: Group 4 is smaller");
+    assert!(matches!(stream(&doc, scan).filters().as_slice(), [(Filter::CcittFax | Filter::Flate, _)]), "the scan: Group 4 or Flate");
+    assert_eq!(doc.decoded_image(&stream(&doc, scan)).unwrap(), ragged, "the scan preserves every sample");
     assert_eq!((stream(&doc, fax).dict.name(b"Filter"), filters(&doc, fax)), (Some(&b"CCITTFaxDecode"[..]), 1), "the busy fax image");
 
     let (mut doc, [_, wrapped, scan, _, _]) = build();