3 files changed, 58 insertions, 4 deletions
diff --git a/src/nvim/testdir/test_ins_complete.vim b/src/nvim/testdir/test_ins_complete.vim
index 362c58aa31..179218e48a 100644
--- a/src/nvim/testdir/test_ins_complete.vim
+++ b/src/nvim/testdir/test_ins_complete.vim
@@ -346,7 +346,7 @@ func Test_CompleteDone_modify()
         \ 'user_data': '',
         \ }
   let v:completed_item = value
-  call assert_equal(v:completed_item, value)
+  call assert_equal(value, v:completed_item)
 endfunc
 
 func CompleteTest(findstart, query)
diff --git a/src/nvim/testdir/test_messages.vim b/src/nvim/testdir/test_messages.vim
index 2f9c562771..a02d23b409 100644
--- a/src/nvim/testdir/test_messages.vim
+++ b/src/nvim/testdir/test_messages.vim
@@ -316,4 +316,60 @@ func Test_fileinfo_after_echo()
   call delete('b.txt')
 endfunc
 
+func Test_cmdheight_zero()
+  set cmdheight=0
+  set showcmd
+  redraw!
+
+  echo 'test echo'
+  call assert_equal(116, screenchar(&lines, 1))
+  redraw!
+
+  echomsg 'test echomsg'
+  call assert_equal(116, screenchar(&lines, 1))
+  redraw!
+
+  call feedkeys(":ls\<CR>", "xt")
+  call assert_equal(':ls', Screenline(&lines - 1))
+  redraw!
+
+  let char = getchar(0)
+  call assert_match(char, 0)
+
+  " Check change/restore cmdheight when macro
+  call feedkeys("qa", "xt")
+  call assert_equal(1, &cmdheight)
+  call feedkeys("q", "xt")
+  call assert_equal(0, &cmdheight)
+
+  call setline(1, 'somestring')
+  call feedkeys("y", "n")
+  %s/somestring/otherstring/gc
+  call assert_equal('otherstring', getline(1))
+
+  call feedkeys("g\<C-g>", "xt")
+  call assert_match(
+        \ 'Col 1 of 11; Line 1 of 1; Word 1 of 1',
+        \ Screenline(&lines))
+
+  " Check split behavior
+  for i in range(1, 10)
+    split
+  endfor
+  only
+  call assert_equal(0, &cmdheight)
+
+  " Check that pressing ":" should not scroll a window
+  " Check for what patch 9.0.0115 fixes
+  botright 10new
+  call setline(1, range(12))
+  7
+  call feedkeys(":\"\<C-R>=line('w0')\<CR>\<CR>", "xt")
+  call assert_equal('"1', @:)
+  bwipe!
+
+  set cmdheight&
+  set showcmd&
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/nvim/testdir/test_window_cmd.vim b/src/nvim/testdir/test_window_cmd.vim
index 3bfff0a577..d96fc2d789 100644
--- a/src/nvim/testdir/test_window_cmd.vim
+++ b/src/nvim/testdir/test_window_cmd.vim
@@ -1390,11 +1390,9 @@ func Test_win_move_statusline()
     call assert_equal(h0, winheight(0))
     call assert_equal(1, &cmdheight)
   endfor
-  " Nvim supports cmdheight=0
+  " supports cmdheight=0
   set cmdheight=0
   call assert_true(win_move_statusline(0, 1))
-  "call assert_equal(h0, winheight(0))
-  "call assert_equal(1, &cmdheight)
   call assert_equal(h0 + 1, winheight(0))
   call assert_equal(0, &cmdheight)
   set cmdheight&