2 files changed, 33 insertions, 0 deletions
diff --git a/test/functional/helpers.lua b/test/functional/helpers.lua
index d67f225ed1..ed153182ca 100644
--- a/test/functional/helpers.lua
+++ b/test/functional/helpers.lua
@@ -14,6 +14,7 @@ local neq = global_helpers.neq
 local eq = global_helpers.eq
 local ok = global_helpers.ok
 
+local start_dir = lfs.currentdir()
 local nvim_prog = os.getenv('NVIM_PROG') or 'build/bin/nvim'
 local nvim_argv = {nvim_prog, '-u', 'NONE', '-i', 'NONE', '-N',
                    '--cmd', 'set shortmess+=I background=light noswapfile noautoindent laststatus=1 undodir=. directory=. viewdir=. backupdir=.',
@@ -440,6 +441,12 @@ end
 
 local function rmdir(path)
   local ret, _ = pcall(do_rmdir, path)
+  if not ret and os_name() == "windows" then
+    -- Maybe "Permission denied"; try again after changing the nvim
+    -- process to the top-level directory.
+    nvim_command([[exe 'cd '.fnameescape(']]..start_dir.."')")
+    ret, _ = pcall(do_rmdir, path)
+  end
   -- During teardown, the nvim process may not exit quickly enough, then rmdir()
   -- will fail (on Windows).
   if not ret then  -- Try again.
diff --git a/test/functional/legacy/autochdir_spec.lua b/test/functional/legacy/autochdir_spec.lua
new file mode 100644
index 0000000000..06f7c1dd11
--- /dev/null
+++ b/test/functional/legacy/autochdir_spec.lua
@@ -0,0 +1,26 @@
+local lfs = require('lfs')
+local helpers = require('test.functional.helpers')(after_each)
+local clear, eq = helpers.clear, helpers.eq
+local eval, execute = helpers.eval, helpers.execute
+
+describe('autochdir behavior', function()
+  local dir = 'Xtest-functional-legacy-autochdir'
+
+  before_each(function()
+    lfs.mkdir(dir)
+    clear()
+  end)
+
+  after_each(function()
+    helpers.rmdir(dir)
+  end)
+
+  -- Tests vim/vim/777 without test_autochdir().
+  it('sets filename', function()
+    execute('set acd')
+    execute('new')
+    execute('w '..dir..'/Xtest')
+    eq('Xtest', eval("expand('%')"))
+    eq(dir, eval([[substitute(getcwd(), '.*[/\\]\(\k*\)', '\1', '')]]))
+  end)
+end)