1 files changed, 60 insertions, 4 deletions
diff --git a/src/nvim/testdir/test_usercommands.vim b/src/nvim/testdir/test_usercommands.vim
index f593d16dbf..d0864ec64c 100644
--- a/src/nvim/testdir/test_usercommands.vim
+++ b/src/nvim/testdir/test_usercommands.vim
@@ -8,31 +8,57 @@ function Test_cmdmods()
 
   MyCmd
   aboveleft MyCmd
+  abo MyCmd
   belowright MyCmd
+  bel MyCmd
   botright MyCmd
+  bo MyCmd
   browse MyCmd
+  bro MyCmd
   confirm MyCmd
+  conf MyCmd
   hide MyCmd
+  hid MyCmd
   keepalt MyCmd
+  keepa MyCmd
   keepjumps MyCmd
+  keepj MyCmd
   keepmarks MyCmd
+  kee MyCmd
   keeppatterns MyCmd
+  keepp MyCmd
+  leftabove MyCmd  " results in :aboveleft
+  lefta MyCmd
   lockmarks MyCmd
+  loc MyCmd
+  " noautocmd MyCmd
   noswapfile MyCmd
+  nos MyCmd
+  rightbelow MyCmd " results in :belowright
+  rightb MyCmd
+  " sandbox MyCmd
   silent MyCmd
+  sil MyCmd
   tab MyCmd
   topleft MyCmd
+  to MyCmd
+  " unsilent MyCmd
   verbose MyCmd
+  verb MyCmd
   vertical MyCmd
+  vert MyCmd
 
   aboveleft belowright botright browse confirm hide keepalt keepjumps
         \ keepmarks keeppatterns lockmarks noswapfile silent tab
         \ topleft verbose vertical MyCmd
 
-  call assert_equal(' aboveleft belowright botright browse confirm ' .
-        \ 'hide keepalt keepjumps keepmarks keeppatterns lockmarks ' .
-        \ 'noswapfile silent tab topleft verbose vertical aboveleft ' .
-        \ 'belowright botright browse confirm hide keepalt keepjumps ' .
+  call assert_equal(' aboveleft aboveleft belowright belowright botright ' .
+        \ 'botright browse browse confirm confirm hide hide ' .
+        \ 'keepalt keepalt keepjumps keepjumps keepmarks keepmarks ' .
+        \ 'keeppatterns keeppatterns aboveleft aboveleft lockmarks lockmarks noswapfile ' .
+        \ 'noswapfile belowright belowright silent silent tab topleft topleft verbose verbose ' .
+        \ 'vertical vertical ' .
+        \ 'aboveleft belowright botright browse confirm hide keepalt keepjumps ' .
         \ 'keepmarks keeppatterns lockmarks noswapfile silent tab topleft ' .
         \ 'verbose vertical ', g:mods)
 
@@ -46,3 +72,33 @@ function Test_cmdmods()
   delcommand MyQCmd
   unlet g:mods
 endfunction
+
+func Test_Ambiguous()
+  command Doit let g:didit = 'yes'
+  command Dothat let g:didthat = 'also'
+  call assert_fails('Do', 'E464:')
+  Doit
+  call assert_equal('yes', g:didit)
+  Dothat
+  call assert_equal('also', g:didthat)
+  unlet g:didit
+  unlet g:didthat
+
+  delcommand Doit
+  Do
+  call assert_equal('also', g:didthat)
+  delcommand Dothat
+endfunc
+
+func Test_CmdUndefined()
+  call assert_fails('Doit', 'E492:')
+  au CmdUndefined Doit :command Doit let g:didit = 'yes'
+  Doit
+  call assert_equal('yes', g:didit)
+  delcommand Doit
+
+  call assert_fails('Dothat', 'E492:')
+  au CmdUndefined * let g:didnot = 'yes'
+  call assert_fails('Dothat', 'E492:')
+  call assert_equal('yes', g:didnot)
+endfunc