vim-patch:8.0.0301 #7685

Problem:    No tests for ":set completion" and various errors of the :set
            command.
Solution:   Add more :set tests. (Dominique Pelle, closes vim/vim#1440)
698f8b207b

---

Also move test_options from test_alot to Makefile.  (That's done upstream
in Vim patch 8.0.0430.)

src/nvim/testdir/Makefile

@@ -77,6 +77,7 @@ NEW_TESTS ?= \
 	    test_mksession_utf8.res \
 	    test_nested_function.res \
 	    test_normal.res \
+	    test_options.res \
 	    test_profile.res \
 	    test_quickfix.res \
 	    test_retab.res \

src/nvim/testdir/test_alot.vim

@@ -21,7 +21,6 @@ source test_lambda.vim
 source test_menu.vim
 source test_mapping.vim
 source test_messages.vim
-source test_options.vim
 source test_partial.vim
 source test_popup.vim
 source test_regexp_utf8.vim

src/nvim/testdir/test_options.vim

@@ -125,6 +125,89 @@ endfunc
 
 func Test_thesaurus()
   call Check_dir_option('thesaurus')
+endfun
+
+func Test_set_completion()
+  call feedkeys(":set di\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set dictionary diff diffexpr diffopt digraph directory display', @:)
+
+  " Expand boolan options. When doing :set no<Tab>
+  " vim displays the options names without "no" but completion uses "no...".
+  call feedkeys(":set nodi\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set nodiff digraph', @:)
+
+  call feedkeys(":set invdi\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set invdiff digraph', @:)
+
+  " Expand abbreviation of options.
+  call feedkeys(":set ts\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set tabstop thesaurus', @:)
+
+  " Expand current value
+  call feedkeys(":set fileencodings=\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set fileencodings=ucs-bom,utf-8,default,latin1', @:)
+
+  call feedkeys(":set fileencodings:\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set fileencodings:ucs-bom,utf-8,default,latin1', @:)
+
+  " Expand directories.
+  call feedkeys(":set cdpath=./\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_match(' ./samples/ ', @:)
+  call assert_notmatch(' ./small.vim ', @:)
+
+  " Expand files and directories.
+  call feedkeys(":set tags=./\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_match('./samples/ ./sautest/ ./setup.vim ./shared.vim', @:)
+
+  call feedkeys(":set tags=./\\\\ dif\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set tags=./\\ diff diffexpr diffopt', @:)
+endfunc
+
+func Test_set_errors()
+  call assert_fails('set scroll=-1', 'E49:')
+  call assert_fails('set backupcopy=', 'E474:')
+  call assert_fails('set regexpengine=3', 'E474:')
+  call assert_fails('set history=10001', 'E474:')
+  call assert_fails('set numberwidth=11', 'E474:')
+  call assert_fails('set colorcolumn=-a')
+  call assert_fails('set colorcolumn=a')
+  call assert_fails('set colorcolumn=1,')
+  call assert_fails('set cmdheight=-1', 'E487:')
+  call assert_fails('set cmdwinheight=-1', 'E487:')
+  if has('conceal')
+    call assert_fails('set conceallevel=-1', 'E487:')
+    call assert_fails('set conceallevel=4', 'E474:')
+  endif
+  call assert_fails('set helpheight=-1', 'E487:')
+  call assert_fails('set history=-1', 'E487:')
+  call assert_fails('set report=-1', 'E487:')
+  call assert_fails('set shiftwidth=-1', 'E487:')
+  call assert_fails('set sidescroll=-1', 'E487:')
+  call assert_fails('set tabstop=-1', 'E487:')
+  call assert_fails('set textwidth=-1', 'E487:')
+  call assert_fails('set timeoutlen=-1', 'E487:')
+  call assert_fails('set updatecount=-1', 'E487:')
+  call assert_fails('set updatetime=-1', 'E487:')
+  call assert_fails('set winheight=-1', 'E487:')
+  call assert_fails('set tabstop!', 'E488:')
+  call assert_fails('set xxx', 'E518:')
+  call assert_fails('set beautify?', 'E518:')
+  call assert_fails('set undolevels=x', 'E521:')
+  call assert_fails('set tabstop=', 'E521:')
+  call assert_fails('set comments=-', 'E524:')
+  call assert_fails('set comments=a', 'E525:')
+  call assert_fails('set foldmarker=x', 'E536:')
+  call assert_fails('set commentstring=x', 'E537:')
+  call assert_fails('set complete=x', 'E539:')
+  call assert_fails('set statusline=%{', 'E540:')
+  call assert_fails('set statusline=' . repeat("%p", 81), 'E541:')
+  call assert_fails('set statusline=%(', 'E542:')
+  call assert_fails('set guicursor=x', 'E545:')
+  call assert_fails('set backupext=~ patchmode=~', 'E589:')
+  call assert_fails('set winminheight=10 winheight=9', 'E591:')
+  call assert_fails('set winminwidth=10 winwidth=9', 'E592:')
+  call assert_fails("set showbreak=\x01", 'E595:')
+  call assert_fails('set t_foo=', 'E846:')
 endfunc
 
 func Test_complete()

src/nvim/version.c

@@ -1196,7 +1196,7 @@ static const int included_patches[] = {
   // 304,
   // 303,
   302,
-  // 301,
+  301,
   300,
   299,
   298,