From 1494d5c3562858375c8325453687d259ef81b23d Mon Sep 17 00:00:00 2001
From: Humza Shahid <humzasaur@gmail.com>
Date: Thu, 25 Sep 2025 13:58:56 +0100
Subject: [PATCH] add two new unit tests for 'dk' motion

---
 temp.txt               |  3 +-
 test/normal-delete.sml | 62 ++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 61 insertions(+), 4 deletions(-)

diff --git a/temp.txt b/temp.txt
index 7bd861d..c100072 100644
--- a/temp.txt
+++ b/temp.txt
@@ -1,4 +1,3 @@
 hello
 world
-trello
-brillo
+
diff --git a/test/normal-delete.sml b/test/normal-delete.sml
index 1d94001..d2b2f38 100644
--- a/test/normal-delete.sml
+++ b/test/normal-delete.sml
@@ -790,10 +790,68 @@ struct
              val actualString = LineGap.toString buffer
 
              val expectedIdx = 6
-             val indexIsExpected = true
            in
              Expect.isTrue
-               (expectedString = actualString andalso indexIsExpected)
+               (expectedString = actualString andalso expectedIdx = cursorIdx)
+           end)
+    , test
+        "deletes last two lines when cursor is on last line \
+        \and last line only has a newline"
+        (fn _ =>
+           let
+             (* arrange *)
+             val originalString =
+               "hello\n\
+               \world\n\
+               \\n"
+             val originalIdx = String.size originalString - 1
+
+             val app = TestUtils.init originalString
+             val app = AppWith.idx (app, originalIdx)
+
+             (* act *)
+             val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dk")
+
+             (* assert *)
+             val expectedString = "hello\n"
+             val actualString = LineGap.toString buffer
+
+             val expectedIdx = 0
+           in
+             Expect.isTrue
+               (expectedString = actualString andalso expectedIdx = cursorIdx)
+           end)
+    , test
+        "moves cursor to newline at end of file \
+        \when cursor is two lines below"
+        (fn _ =>
+           let
+             (* arrange *)
+             val originalString =
+               "hello\n\
+               \world\n\
+               \\n\
+               \world\n\
+               \hello\n"
+             val originalIdx = String.size originalString - 2
+
+             val app = TestUtils.init originalString
+             val app = AppWith.idx (app, originalIdx)
+
+             (* act *)
+             val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dk")
+
+             (* assert *)
+             val expectedString =
+               "hello\n\
+               \world\n\
+               \\n"
+             val actualString = LineGap.toString buffer
+
+             val expectedIdx = String.size expectedString - 1
+           in
+             Expect.isTrue
+               (expectedString = actualString andalso expectedIdx = cursorIdx)
            end)
     ]