From 38a3c3c5cdb31cae9dab930984d6bea115ede687 Mon Sep 17 00:00:00 2001
From: Ogulcan Celik <ogulcancelik@gmail.com>
Date: Wed, 20 May 2026 03:43:53 +0300
Subject: fix: support kitty unicode placeholders

refs #136
---
 src/kitty_graphics.rs | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'src/kitty_graphics.rs')

diff --git a/src/kitty_graphics.rs b/src/kitty_graphics.rs
index 47aba364..857bd241 100644
--- a/src/kitty_graphics.rs
+++ b/src/kitty_graphics.rs
@@ -858,6 +858,40 @@ mod tests {
         assert_eq!(placements.len(), 1);
     }
 
+    #[test]
+    fn surface_reset_deletes_then_reuploads_and_redisplays_placement() {
+        let mut cache = HostGraphicsCache::default();
+        let mut bytes = Vec::new();
+        let placement = test_placement(0, 0);
+
+        encode_graphics_update(
+            &mut bytes,
+            &[placement],
+            false,
+            &mut cache.images,
+            &mut cache.placements,
+        );
+        assert_eq!(cache.images.len(), 1);
+        assert_eq!(cache.placements.len(), 1);
+
+        bytes = cache.clear_bytes();
+        let same = test_placement(0, 0);
+        encode_graphics_update(
+            &mut bytes,
+            &[same],
+            false,
+            &mut cache.images,
+            &mut cache.placements,
+        );
+
+        let redisplay = String::from_utf8_lossy(&bytes);
+        assert!(redisplay.contains("a=d,d=I"));
+        assert!(redisplay.contains("a=t"));
+        assert!(redisplay.contains("a=p"));
+        assert_eq!(cache.images.len(), 1);
+        assert_eq!(cache.placements.len(), 1);
+    }
+
     #[test]
     fn scrollback_offset_change_redisplays_placement() {
         let mut images = HashMap::new();
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