neovim

commit 56337310efc765a760b7a1ca0040c7c6ce23574e
parent 97d9d71bf3ccc156b94acf988f6b2f60fb706fc9
Author: zeertzjq <zeertzjq@outlook.com>
Date:   Sun,  2 Jun 2024 15:18:30 +0800

test: add a test for #29119

Diffstat:
M
test/functional/lua/buffer_updates_spec.lua
 | 
19
+++++++++++++++++++

1 file changed, 19 insertions(+), 0 deletions(-)
diff --git a/test/functional/lua/buffer_updates_spec.lua b/test/functional/lua/buffer_updates_spec.lua
@@ -379,6 +379,25 @@ describe('lua buffer event callbacks: on_lines', function()
       ]],
     })
   end)
+
+  it('line lengths are correct when pressing TAB with folding #29119', function()
+    api.nvim_buf_set_lines(0, 0, -1, true, { 'a', 'b' })
+
+    exec_lua([[
+      _G.res = {}
+      vim.o.foldmethod = 'indent'
+      vim.o.softtabstop = -1
+      vim.api.nvim_buf_attach(0, false, {
+        on_lines = function(_, bufnr, _, row, _, end_row)
+          local lines = vim.api.nvim_buf_get_lines(bufnr, row, end_row, true)
+          table.insert(_G.res, lines)
+        end
+      })
+    ]])
+
+    feed('i<Tab>')
+    eq({ '\ta' }, exec_lua('return _G.res[#_G.res]'))
+  end)
 end)
 
 describe('lua: nvim_buf_attach on_bytes', function()