neovim

commit 132bbd1cbd490a65bc186c4a9f449c6d2f0a7666
parent 3a876bd41b235065663c38b0d9f3bdc8868eebc4
Author: bfredl <bjorn.linse@gmail.com>
Date:   Mon, 28 Aug 2023 12:36:00 +0200

fix(api): handle clearing out last line of non-current buffer

fixes #24911

Diffstat:
M
src/nvim/memline.c
 | 
2
+-
M
test/functional/api/buffer_spec.lua
 | 
12
++++++++++++

2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/src/nvim/memline.c b/src/nvim/memline.c
@@ -2523,7 +2523,7 @@ static int ml_delete_int(buf_T *buf, linenr_T lnum, bool message)
       set_keep_msg(_(no_lines_msg), 0);
     }
 
-    int i = ml_replace(1, "", true);
+    int i = ml_replace_buf(buf, 1, "", true);
     buf->b_ml.ml_flags |= ML_EMPTY;
 
     return i;
diff --git a/test/functional/api/buffer_spec.lua b/test/functional/api/buffer_spec.lua
@@ -279,6 +279,18 @@ describe('api/buf', function()
         ]]}
       end)
     end)
+
+    it('handles clearing out non-current buffer #24911', function()
+        local buf = meths.get_current_buf()
+        meths.buf_set_lines(buf, 0, -1, true, {"aaa", "bbb", "ccc"})
+        command("new")
+
+        meths.buf_set_lines(0, 0, -1, true, {"xxx", "yyy", "zzz"})
+
+        meths.buf_set_lines(buf, 0, -1, true, {})
+        eq({"xxx", "yyy", "zzz"}, meths.buf_get_lines(0, 0, -1, true))
+        eq({''}, meths.buf_get_lines(buf, 0, -1, true))
+    end)
   end)
 
   describe('deprecated: {get,set,del}_line', function()