Merge #5210 'vim-patch:7.4.1898 + :Man modifiers support'.

src/nvim/testdir/test_usercommands.vim

@@ -0,0 +1,48 @@
+" Tests for user defined commands
+
+" Test for <mods> in user defined commands
+function Test_cmdmods()
+  let g:mods = ''
+
+  command! -nargs=* MyCmd let g:mods .= '<mods> '
+
+  MyCmd
+  aboveleft MyCmd
+  belowright MyCmd
+  botright MyCmd
+  browse MyCmd
+  confirm MyCmd
+  hide MyCmd
+  keepalt MyCmd
+  keepjumps MyCmd
+  keepmarks MyCmd
+  keeppatterns MyCmd
+  lockmarks MyCmd
+  noswapfile MyCmd
+  silent MyCmd
+  tab MyCmd
+  topleft MyCmd
+  verbose MyCmd
+  vertical 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 ' .
+        \ 'keepmarks keeppatterns lockmarks noswapfile silent tab topleft ' .
+        \ 'verbose vertical ', g:mods)
+
+  let g:mods = ''
+  command! -nargs=* MyQCmd let g:mods .= '<q-mods> '
+
+  vertical MyQCmd
+  call assert_equal('"vertical" ', g:mods)
+
+  delcommand MyCmd
+  delcommand MyQCmd
+  unlet g:mods
+endfunction