1 files changed, 26 insertions, 0 deletions
diff --git a/test/functional/legacy/autochdir_spec.lua b/test/functional/legacy/autochdir_spec.lua
new file mode 100644
index 0000000000..466e3ed830
--- /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, command = helpers.eval, helpers.command
+
+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()
+    command('set acd')
+    command('new')
+    command('w '..dir..'/Xtest')
+    eq('Xtest', eval("expand('%')"))
+    eq(dir, eval([[substitute(getcwd(), '.*[/\\]\(\k*\)', '\1', '')]]))
+  end)
+end)