From c190cec868a29c848f9317cef6eed6a6a1447781 Mon Sep 17 00:00:00 2001
From: Humza Shahid <humzasaur@gmail.com>
Date: Thu, 16 Oct 2025 11:04:26 +0100
Subject: [PATCH] add failing test for 'd$' motion

---
 temp.txt               |  3 ++-
 test/normal-delete.sml | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/temp.txt b/temp.txt
index 5b42468..94954ab 100644
--- a/temp.txt
+++ b/temp.txt
@@ -1 +1,2 @@
-hello           again
+hello
+world
diff --git a/test/normal-delete.sml b/test/normal-delete.sml
index 85c1fa2..800ca62 100644
--- a/test/normal-delete.sml
+++ b/test/normal-delete.sml
@@ -2956,6 +2956,30 @@ struct
            end)
     ]
 
+  val dDlrDelete = describe "delete motion 'd$'"
+    [test
+       "deletes only last character on line \
+       \when cursor is on last character"
+       (fn _ =>
+          let
+            (* arrange *)
+            val originalString = "hello\nworld\n"
+            val app = TestUtils.init originalString
+            val app = AppWith.idx (app, 4)
+
+            (* act *)
+            val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "d$")
+
+            (* assert *)
+            val actualString = LineGap.toString buffer
+            val expectedString = originalString
+            val expectedCursorIdx = 3
+          in
+            Expect.isTrue
+              (actualString = expectedString
+               andalso cursorIdx = expectedCursorIdx)
+          end)]
+
   val tests =
     [ dhDelete
     , dlDelete
@@ -2973,5 +2997,6 @@ struct
     , dGDelete
     , dggDelete
     , d0Delete
+    , dDlrDelete
     ]
 end