test: add a test for #17609

1 files changed, 28 insertions, 3 deletions

diff --git a/test/functional/options/autochdir_spec.lua b/test/functional/options/autochdir_spec.lua
index 2fce0a5ed9..74959a8e76 100644
--- a/test/functional/options/autochdir_spec.lua
+++ b/test/functional/options/autochdir_spec.lua
@@ -1,7 +1,9 @@
+local lfs = require('lfs')
 local helpers = require('test.functional.helpers')(after_each)
 local clear = helpers.clear
 local eq = helpers.eq
-local getcwd = helpers.funcs.getcwd
+local funcs = helpers.funcs
+local command = helpers.command
 
 describe("'autochdir'", function()
   it('given on the shell gets processed properly', function()
@@ -9,11 +11,34 @@ describe("'autochdir'", function()
 
     -- By default 'autochdir' is off, thus getcwd() returns the repo root.
     clear(targetdir..'/tty-test.c')
-    local rootdir = getcwd()
+    local rootdir = funcs.getcwd()
     local expected = rootdir .. '/' .. targetdir
 
     -- With 'autochdir' on, we should get the directory of tty-test.c.
     clear('--cmd', 'set autochdir', targetdir..'/tty-test.c')
-    eq(helpers.iswin() and expected:gsub('/', '\\') or expected, getcwd())
+    eq(helpers.iswin() and expected:gsub('/', '\\') or expected, funcs.getcwd())
+  end)
+
+  it('is not overwritten by getwinvar() call #17609',function()
+    local curdir = string.gsub(lfs.currentdir(), '\\', '/')
+    local dir_a = curdir..'/Xtest-functional-options-autochdir.dir_a'
+    local dir_b = curdir..'/Xtest-functional-options-autochdir.dir_b'
+    lfs.mkdir(dir_a)
+    lfs.mkdir(dir_b)
+    clear()
+    command('set shellslash')
+    command('set autochdir')
+    command('edit '..dir_a..'/file1')
+    eq(dir_a, funcs.getcwd())
+    command('lcd '..dir_b)
+    eq(dir_b, funcs.getcwd())
+    command('botright vnew ../file2')
+    eq(curdir, funcs.getcwd())
+    command('wincmd w')
+    eq(dir_a, funcs.getcwd())
+    funcs.getwinvar(2, 'foo')
+    eq(dir_a, funcs.getcwd())
+    helpers.rmdir(dir_a)
+    helpers.rmdir(dir_b)
   end)
 end)