From ff8e239493277b56b3ef866436a9cb1b38bc7b9c Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <janedmundlazo@hotmail.com>
Date: Sun, 26 Aug 2018 09:56:26 -0400
Subject: vim-patch:8.1.0144: the :cd command does not have good test coverage

Problem:    The :cd command does not have good test coverage.
Solution:   Add more tests. (Dominique Pelle, closes vim/vim#2972)
https://github.com/vim/vim/commit/b2e0c94a4d27e3e6222d26f13e0418a85cab21a2
---
 src/nvim/testdir/test_cd.vim | 54 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/src/nvim/testdir/test_cd.vim b/src/nvim/testdir/test_cd.vim
index e573419bd0..c63f0060f8 100644
--- a/src/nvim/testdir/test_cd.vim
+++ b/src/nvim/testdir/test_cd.vim
@@ -8,6 +8,60 @@ endfunc
 func Test_cd_up_and_down()
   let path = getcwd()
   cd ..
+  call assert_notequal(path, getcwd())
   exe 'cd ' . path
   call assert_equal(path, getcwd())
 endfunc
+
+func Test_cd_no_arg()
+  if has('unix')
+    " Test that cd without argument goes to $HOME directory on Unix systems.
+    let path = getcwd()
+    cd
+    call assert_equal($HOME, getcwd())
+    call assert_notequal(path, getcwd())
+    exe 'cd ' . path
+    call assert_equal(path, getcwd())
+  else
+    " Test that cd without argument echoes cwd on non-Unix systems.
+    call assert_match(getcwd(), execute('cd'))
+  endif
+endfunc
+
+func Test_cd_minus()
+  " Test the  :cd -  goes back to the previous directory.
+  let path = getcwd()
+  cd ..
+  let path_dotdot = getcwd()
+  call assert_notequal(path, path_dotdot)
+  cd -
+  call assert_equal(path, getcwd())
+  cd -
+  call assert_equal(path_dotdot, getcwd())
+  cd -
+  call assert_equal(path, getcwd())
+endfunc
+
+func Test_cd_with_cpo_chdir()
+  e Xfoo
+  call setline(1, 'foo')
+  let path = getcwd()
+  set cpo+=.
+
+  " :cd should fail when buffer is modified and 'cpo' contains dot.
+  call assert_fails('cd ..', 'E747:')
+  call assert_equal(path, getcwd())
+
+  " :cd with exclamation mark should succeed.
+  cd! ..
+  call assert_notequal(path, getcwd())
+
+  " :cd should succeed when buffer has been written.
+  w!
+  exe 'cd ' . path
+  call assert_equal(path, getcwd())
+
+  call delete('Xfoo')
+  set cpo&
+  bw!
+endfunc
-- 
cgit 


From 246fa3e81dbece622c8c244e383d21db8a332523 Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <janedmundlazo@hotmail.com>
Date: Sun, 26 Aug 2018 14:41:45 -0400
Subject: oldtests: comment out test for 'set cpo+=.'

nvim does not support POSIX cpoptions.
---
 src/nvim/testdir/test_cd.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/nvim/testdir/test_cd.vim b/src/nvim/testdir/test_cd.vim
index c63f0060f8..770ed55b8d 100644
--- a/src/nvim/testdir/test_cd.vim
+++ b/src/nvim/testdir/test_cd.vim
@@ -46,10 +46,10 @@ func Test_cd_with_cpo_chdir()
   e Xfoo
   call setline(1, 'foo')
   let path = getcwd()
-  set cpo+=.
+  " set cpo+=.
 
   " :cd should fail when buffer is modified and 'cpo' contains dot.
-  call assert_fails('cd ..', 'E747:')
+  " call assert_fails('cd ..', 'E747:')
   call assert_equal(path, getcwd())
 
   " :cd with exclamation mark should succeed.
-- 
cgit