From 1caad791b4655c412c35279003641e5c4d9ed28d Mon Sep 17 00:00:00 2001
From: Luuk van Baal <luukvbaal@gmail.com>
Date: Tue, 9 May 2023 17:09:43 +0200
Subject: vim-patch:9.0.1530: cursor moves to wrong line when 'foldmethod' is
 "diff"

Problem:    Cursor moves to wrong line when 'foldmethod' is "diff". (Rick
            Howe)
Solution:   Adjust logic for scrolling. (Luuk van Baal, closes vim/vim#12364,
            closes vim/vim#12218)

https://github.com/vim/vim/commit/aa6ba308a1498dc8da04d1d30ec0470018bf782a
---
 test/functional/legacy/normal_spec.lua | 41 ++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 test/functional/legacy/normal_spec.lua

(limited to 'test/functional/legacy/normal_spec.lua')

diff --git a/test/functional/legacy/normal_spec.lua b/test/functional/legacy/normal_spec.lua
new file mode 100644
index 0000000000..ba875460f5
--- /dev/null
+++ b/test/functional/legacy/normal_spec.lua
@@ -0,0 +1,41 @@
+local helpers = require('test.functional.helpers')(after_each)
+local Screen = require('test.functional.ui.screen')
+local clear = helpers.clear
+local exec = helpers.exec
+
+before_each(clear)
+
+describe('normal', function()
+  -- oldtest: Test_normal_j_below_botline()
+  it([["j" does not skip lines when scrolling below botline and 'foldmethod' is not "manual"]], function()
+    local screen = Screen.new(40, 19)
+    screen:attach()
+    screen:set_default_attr_ids({{foreground = Screen.colors.Brown}})
+    exec([[
+      set number foldmethod=diff scrolloff=0
+      call setline(1, map(range(1, 9), 'repeat(v:val, 200)'))
+      norm Lj
+    ]])
+    screen:expect([[
+      {1:  2 }222222222222222222222222222222222222|
+      {1:    }222222222222222222222222222222222222|
+      {1:    }222222222222222222222222222222222222|
+      {1:    }222222222222222222222222222222222222|
+      {1:    }222222222222222222222222222222222222|
+      {1:    }22222222222222222222                |
+      {1:  3 }333333333333333333333333333333333333|
+      {1:    }333333333333333333333333333333333333|
+      {1:    }333333333333333333333333333333333333|
+      {1:    }333333333333333333333333333333333333|
+      {1:    }333333333333333333333333333333333333|
+      {1:    }33333333333333333333                |
+      {1:  4 }^444444444444444444444444444444444444|
+      {1:    }444444444444444444444444444444444444|
+      {1:    }444444444444444444444444444444444444|
+      {1:    }444444444444444444444444444444444444|
+      {1:    }444444444444444444444444444444444444|
+      {1:    }44444444444444444444                |
+                                              |
+    ]])
+  end)
+end)
-- 
cgit