test: lint whitespace in legacy/ (#7308)

41 files changed, 151 insertions, 116 deletions

diff --git a/test/.luacheckrc b/test/.luacheckrc
index 034b4f10df..abfa881754 100644
--- a/test/.luacheckrc
+++ b/test/.luacheckrc
@@ -17,4 +17,4 @@ ignore = {
 }
 
 -- Ignore whitespace issues in converted Vim legacy tests.
-files["functional/legacy"] = {ignore = { "611", "612", "613", "621" }}
+--files["functional/legacy"] = {ignore = { "611", "612", "613", "621" }}
diff --git a/test/functional/legacy/003_cindent_spec.lua b/test/functional/legacy/003_cindent_spec.lua
index 0cc4d298b7..202baadd4c 100644
--- a/test/functional/legacy/003_cindent_spec.lua
+++ b/test/functional/legacy/003_cindent_spec.lua
@@ -15,6 +15,8 @@ local function insert_(content)
   feed_command('1', 'set cin ts=4 sw=4')
 end
 
+-- luacheck: ignore 621 (Indentation)
+-- luacheck: ignore 613 (Trailing whitespace in a string)
 describe('cindent', function()
   before_each(clear)
 
diff --git a/test/functional/legacy/005_bufleave_delete_buffer_spec.lua b/test/functional/legacy/005_bufleave_delete_buffer_spec.lua
index 417842c52d..8b92c877a6 100644
--- a/test/functional/legacy/005_bufleave_delete_buffer_spec.lua
+++ b/test/functional/legacy/005_bufleave_delete_buffer_spec.lua
@@ -9,6 +9,7 @@ local wait = helpers.wait
 describe('test5', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     insert([[
       start of test file Xxx
diff --git a/test/functional/legacy/006_argument_list_spec.lua b/test/functional/legacy/006_argument_list_spec.lua
index dac58df8a5..9f75a91fa8 100644
--- a/test/functional/legacy/006_argument_list_spec.lua
+++ b/test/functional/legacy/006_argument_list_spec.lua
@@ -78,8 +78,8 @@ describe('argument list', function()
   end)
 
   teardown(function()
-    os.remove('Xxx1')   
-    os.remove('Xxx2')   
-    os.remove('Xxx3')   
+    os.remove('Xxx1')
+    os.remove('Xxx2')
+    os.remove('Xxx3')
   end)
 end)
diff --git a/test/functional/legacy/007_ball_buffer_list_spec.lua b/test/functional/legacy/007_ball_buffer_list_spec.lua
index 8501faabec..a180e73301 100644
--- a/test/functional/legacy/007_ball_buffer_list_spec.lua
+++ b/test/functional/legacy/007_ball_buffer_list_spec.lua
@@ -36,10 +36,10 @@ describe(':ball', function()
 
     -- Open window for all args, close Xxx2
     feed('$r4:ball<cr>')
-   
+
     -- Write contents of this file
     feed_command('%yank A')
-    
+
     -- Append contents of second window (Xxx1)
     feed('')
     feed_command('%yank A')
diff --git a/test/functional/legacy/011_autocommands_spec.lua b/test/functional/legacy/011_autocommands_spec.lua
index e01af4583b..d969a8bd37 100644
--- a/test/functional/legacy/011_autocommands_spec.lua
+++ b/test/functional/legacy/011_autocommands_spec.lua
@@ -94,6 +94,8 @@ describe('file reading, writing and bufnew and filter autocommands', function()
       eq(gzip_data, io.open('Xtestfile.gz'):read('*all'))
     end)
 
+    -- luacheck: ignore 621 (Indentation)
+    -- luacheck: ignore 611 (Line contains only whitespaces)
     it('FileReadPre, FileReadPost', function()
       prepare_gz_file('Xtestfile', text1)
       feed_command('au! FileReadPre    *.gz   exe "silent !gzip -d " . shellescape(expand("<afile>"))')
diff --git a/test/functional/legacy/015_alignment_spec.lua b/test/functional/legacy/015_alignment_spec.lua
index 8423aa3d11..d73ff06972 100644
--- a/test/functional/legacy/015_alignment_spec.lua
+++ b/test/functional/legacy/015_alignment_spec.lua
@@ -9,6 +9,7 @@ local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers
 describe('alignment', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     insert([[
       	test for :left
@@ -112,7 +113,7 @@ describe('alignment', function()
       	asxa;ofa		axxxoikey
       	asdfaqwer		axxxoikey
 
-      xxxxx xx xxxxxx 
+      xxxxx xx xxxxxx
       xxxxxxx xxxxxxxxx xxx xxxx xxxxx xxxxx xxx xx
       xxxxxxxxxxxxxxxxxx xxxxx xxxx, xxxx xxxx xxxx xxxx xxx xx xx
       xx xxxxxxx. xxxx xxxx.
diff --git a/test/functional/legacy/019_smarttab_expandtab_spec.lua b/test/functional/legacy/019_smarttab_expandtab_spec.lua
index ecb24885bb..7b03ee8e99 100644
--- a/test/functional/legacy/019_smarttab_expandtab_spec.lua
+++ b/test/functional/legacy/019_smarttab_expandtab_spec.lua
@@ -8,6 +8,7 @@ local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers
 describe([[performing "r<Tab>" with 'smarttab' and 'expandtab' set/not set, and "dv_"]], function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     insert([[
       start text
diff --git a/test/functional/legacy/029_join_spec.lua b/test/functional/legacy/029_join_spec.lua
index 460b9291bf..b28f276a7c 100644
--- a/test/functional/legacy/029_join_spec.lua
+++ b/test/functional/legacy/029_join_spec.lua
@@ -11,6 +11,8 @@ local feed_command = helpers.feed_command
 describe('joining lines', function()
   before_each(clear)
 
+  -- luacheck: ignore 613 (Trailing whitespaces in a string)
+  -- luacheck: ignore 611 (Line contains only whitespaces)
   it("keeps marks with different 'joinspaces' settings", function()
     insert([[
       firstline
diff --git a/test/functional/legacy/033_lisp_indent_spec.lua b/test/functional/legacy/033_lisp_indent_spec.lua
index 2b79ee024b..5132333a5c 100644
--- a/test/functional/legacy/033_lisp_indent_spec.lua
+++ b/test/functional/legacy/033_lisp_indent_spec.lua
@@ -9,6 +9,7 @@ local wait = helpers.wait
 describe('lisp indent', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     insert([[
       (defun html-file (base)
@@ -22,7 +23,7 @@ describe('lisp indent', function()
       :if-exists :supersede)
       (let ((,ti ,title))
       (as title ,ti)
-      (with center 
+      (with center
       (as h2 (string-upcase ,ti)))
       (brs 3)
       ,@body))))
@@ -58,7 +59,7 @@ describe('lisp indent', function()
       		       :if-exists :supersede)
              (let ((,ti ,title))
       	 (as title ,ti)
-      	 (with center 
+      	 (with center
       	       (as h2 (string-upcase ,ti)))
       	 (brs 3)
       	 ,@body))))
diff --git a/test/functional/legacy/038_virtual_replace_spec.lua b/test/functional/legacy/038_virtual_replace_spec.lua
index 2dfc959a8c..8dd7bdda6e 100644
--- a/test/functional/legacy/038_virtual_replace_spec.lua
+++ b/test/functional/legacy/038_virtual_replace_spec.lua
@@ -7,6 +7,7 @@ local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers
 describe('Virtual replace mode', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     -- Make sure that backspace works, no matter what termcap is used.
     feed_command('set t_kD=x7f t_kb=x08')
diff --git a/test/functional/legacy/039_visual_block_mode_commands_spec.lua b/test/functional/legacy/039_visual_block_mode_commands_spec.lua
index dffef50950..135058c579 100644
--- a/test/functional/legacy/039_visual_block_mode_commands_spec.lua
+++ b/test/functional/legacy/039_visual_block_mode_commands_spec.lua
@@ -43,6 +43,7 @@ describe('Visual block mode', function()
       abcdqqqqijklm]])
   end)
 
+  -- luacheck: ignore 611 (Line contains only whitespaces)
   it('should insert a block using cursor keys for movement', function()
     insert([[
       aaaaaa
@@ -104,6 +105,7 @@ describe('Visual block mode', function()
       456ab7]])
   end)
 
+  -- luacheck: ignore 621 (Indentation)
   it('should insert and append a block when virtualedit=all', function()
     insert([[
       		line1
diff --git a/test/functional/legacy/055_list_and_dict_types_spec.lua b/test/functional/legacy/055_list_and_dict_types_spec.lua
index e84c415eb0..dcbd8b7dff 100644
--- a/test/functional/legacy/055_list_and_dict_types_spec.lua
+++ b/test/functional/legacy/055_list_and_dict_types_spec.lua
@@ -191,6 +191,7 @@ describe('list and dictionary types', function()
       [3]]=])
   end)
 
+  -- luacheck: ignore 613 (Trailing whitespace in a string)
   it('assignment to a list', function()
     source([[
       let l = [0, 1, 2, 3]
diff --git a/test/functional/legacy/060_exists_and_has_functions_spec.lua b/test/functional/legacy/060_exists_and_has_functions_spec.lua
index 3e99f6df57..1794f23b3a 100644
--- a/test/functional/legacy/060_exists_and_has_functions_spec.lua
+++ b/test/functional/legacy/060_exists_and_has_functions_spec.lua
@@ -12,7 +12,7 @@ describe('exists() and has() functions', function()
     write_file('test60.vim', [[
       " Vim script for exists() function test
       " Script-local variables are checked here
-      
+
       " Existing script-local variable
       let s:script_var = 1
       echo 's:script_var: 1'
@@ -21,7 +21,7 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Non-existing script-local variable
       unlet s:script_var
       echo 's:script_var: 0'
@@ -30,7 +30,7 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Existing script-local list
       let s:script_list = ["blue", "orange"]
       echo 's:script_list: 1'
@@ -39,7 +39,7 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Non-existing script-local list
       unlet s:script_list
       echo 's:script_list: 0'
@@ -48,7 +48,7 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Existing script-local dictionary
       let s:script_dict = {"xcord":100, "ycord":2}
       echo 's:script_dict: 1'
@@ -57,7 +57,7 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Non-existing script-local dictionary
       unlet s:script_dict
       echo 's:script_dict: 0'
@@ -66,7 +66,7 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Existing script curly-brace variable
       let str = "script"
       let s:curly_{str}_var = 1
@@ -76,7 +76,7 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Non-existing script-local curly-brace variable
       unlet s:curly_{str}_var
       echo 's:curly_' . str . '_var: 0'
@@ -85,21 +85,21 @@ describe('exists() and has() functions', function()
       else
           echo "FAILED"
       endif
-      
+
       " Existing script-local function
       function! s:my_script_func()
       endfunction
-      
+
       echo '*s:my_script_func: 1'
       if exists('*s:my_script_func')
           echo "OK"
       else
           echo "FAILED"
       endif
-      
+
       " Non-existing script-local function
       delfunction s:my_script_func
-      
+
       echo '*s:my_script_func: 0'
       if !exists('*s:my_script_func')
           echo "OK"
@@ -644,7 +644,7 @@ describe('exists() and has() functions', function()
 
     -- Assert buffer contents.
     expect([[
-      
+
       #myagroup: 1
       OK
       #myagroup+b: 0
diff --git a/test/functional/legacy/066_visual_block_tab_spec.lua b/test/functional/legacy/066_visual_block_tab_spec.lua
index 7c4984362f..f10152d8ea 100644
--- a/test/functional/legacy/066_visual_block_tab_spec.lua
+++ b/test/functional/legacy/066_visual_block_tab_spec.lua
@@ -15,7 +15,7 @@ describe('visual block shift and tab characters', function()
       one two three
       one two three
       one two three
-      
+
       abcdefghijklmnopqrstuvwxyz
       abcdefghijklmnopqrstuvwxyz
       abcdefghijklmnopqrstuvwxyz
@@ -49,7 +49,7 @@ describe('visual block shift and tab characters', function()
       on1 two three
       on1 two three
       on1 two three
-      
+
           abcdefghijklmnopqrstuvwxyz
       abcdefghij
           abc	    defghijklmnopqrstuvwxyz
diff --git a/test/functional/legacy/068_text_formatting_spec.lua b/test/functional/legacy/068_text_formatting_spec.lua
index 772dbc14cf..3a1b21bf87 100644
--- a/test/functional/legacy/068_text_formatting_spec.lua
+++ b/test/functional/legacy/068_text_formatting_spec.lua
@@ -9,6 +9,7 @@ local expect = helpers.expect
 describe('text formatting', function()
   setup(clear)
 
+  -- luacheck: ignore 613 (Trailing whitespace in a string)
   it('is working', function()
     -- The control character <C-A> (byte \x01) needs to be put in the buffer
     -- directly.  But the insert function sends the text to nvim in insert
diff --git a/test/functional/legacy/069_multibyte_formatting_spec.lua b/test/functional/legacy/069_multibyte_formatting_spec.lua
index 38ca25d57a..9c248e3aa8 100644
--- a/test/functional/legacy/069_multibyte_formatting_spec.lua
+++ b/test/functional/legacy/069_multibyte_formatting_spec.lua
@@ -27,7 +27,7 @@ describe('multibyte text', function()
       ＸＹＺ
       abc
       ＸＹＺ
-      
+
       ＸＹＺ
       abc
       ＸＹＺ
@@ -62,7 +62,7 @@ describe('multibyte text', function()
       Ｙ
       Ｘ
       Ｙ
-      
+
       Ｘ
       Ｘ
       a
@@ -125,7 +125,7 @@ describe('multibyte text', function()
       ab
       Ｘ
       Ｙ
-      
+
       Ｘ
       Ｘ
       a
@@ -166,7 +166,7 @@ describe('multibyte text', function()
         Ｘ
         Ｘ
         a
-      
+
         Ｘ
         Ｘ
         a
@@ -190,7 +190,7 @@ describe('multibyte text', function()
         Ｘ
         Ｘ
       a
-      
+
         Ｘ
         Ｘ
       a
@@ -239,7 +239,7 @@ describe('multibyte text', function()
       ＸＸ
       ＸＸa
       ＸＸＹ
-      
+
       Ｘ
       Ｘa
       Ｘa
@@ -259,7 +259,7 @@ describe('multibyte text', function()
   it('formatting in replace mode', function()
     insert([[
       {
-      
+
       }]])
     feed_command('/^{/+1')
     feed_command('set tw=2 fo=tm')
diff --git a/test/functional/legacy/078_swapfile_recover_spec.lua b/test/functional/legacy/078_swapfile_recover_spec.lua
index 4390ba2ca8..45f0aed37a 100644
--- a/test/functional/legacy/078_swapfile_recover_spec.lua
+++ b/test/functional/legacy/078_swapfile_recover_spec.lua
@@ -22,32 +22,32 @@ describe('78', function()
       let linecount = 10000
       while i <= linecount | call append(i - 1, i . text) | let i += 1 | endwhile
       preserve
-      
+
       " Get the name of the swap file, and clean up the :redir capture.
       redir => g:swapname | swapname | redir END
       let g:swapname = substitute(g:swapname, '[[:blank:][:cntrl:]]*\(.\{-}\)[[:blank:][:cntrl:]]*$', '\1', 'g')
       let g:swapname = fnameescape(g:swapname)
-      
+
       " Make a copy of the swap file in Xswap
       set bin
       exe 'sp ' . g:swapname
       w! Xswap
-      
+
       set nobin
       new
       only!
       bwipe! Xtest
       call rename('Xswap', g:swapname)
-      
+
       "TODO(jkeyes): without 'silent', this hangs the test " at message:
       "    'Recovery completed. You should check if everything is OK.'
       silent recover Xtest
-      
+
       call delete(g:swapname)
       new
       call append(0, 'recovery start')
       wincmd w
-      
+
       let g:linedollar = line('$')
       if g:linedollar < linecount
         wincmd w
@@ -56,7 +56,7 @@ describe('78', function()
         wincmd w
         let linecount = g:linedollar
       endif
-      
+
       let i = 1
       while i <= linecount
         if getline(i) != i . text
@@ -72,7 +72,7 @@ describe('78', function()
 
     expect([[
       recovery start
-      
+
       recovery end]])
   end)
 end)
diff --git a/test/functional/legacy/081_coptions_movement_spec.lua b/test/functional/legacy/081_coptions_movement_spec.lua
index 993aff2ba2..d82c46a3d3 100644
--- a/test/functional/legacy/081_coptions_movement_spec.lua
+++ b/test/functional/legacy/081_coptions_movement_spec.lua
@@ -7,6 +7,7 @@ local feed_command, expect = helpers.feed_command, helpers.expect
 describe('coptions', function()
   setup(clear)
 
+  -- luacheck: ignore 613 (Trailing whitespace in a string)
   it('is working', function()
     insert([[
       aaa two three four
diff --git a/test/functional/legacy/082_string_comparison_spec.lua b/test/functional/legacy/082_string_comparison_spec.lua
index cfc0b96bce..311822c34f 100644
--- a/test/functional/legacy/082_string_comparison_spec.lua
+++ b/test/functional/legacy/082_string_comparison_spec.lua
@@ -115,9 +115,9 @@ describe('case-insensitive string comparison in UTF-8', function()
     -- Assert buffer contents.
     expect([=[
       3732 checks passed
-      
+
       ABCD
-      
+
       defg]=])
   end)
 end)
diff --git a/test/functional/legacy/084_curswant_spec.lua b/test/functional/legacy/084_curswant_spec.lua
index 9809ce5b88..42cb2fc56d 100644
--- a/test/functional/legacy/084_curswant_spec.lua
+++ b/test/functional/legacy/084_curswant_spec.lua
@@ -7,6 +7,7 @@ local clear, expect = helpers.clear, helpers.expect
 describe('curswant', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     insert([[
       start target options
diff --git a/test/functional/legacy/088_conceal_tabs_spec.lua b/test/functional/legacy/088_conceal_tabs_spec.lua
index c9414679ab..a4c7e26583 100644
--- a/test/functional/legacy/088_conceal_tabs_spec.lua
+++ b/test/functional/legacy/088_conceal_tabs_spec.lua
@@ -12,6 +12,7 @@ end
 describe('cursor and column position with conceal and tabulators', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
   it('are working', function()
     insert([[
       start:
diff --git a/test/functional/legacy/089_number_relnumber_findfile_spec.lua b/test/functional/legacy/089_number_relnumber_findfile_spec.lua
index 7a87fc8603..6708fd50b7 100644
--- a/test/functional/legacy/089_number_relnumber_findfile_spec.lua
+++ b/test/functional/legacy/089_number_relnumber_findfile_spec.lua
@@ -63,26 +63,26 @@ describe("setting 'number' and 'relativenumber'", function()
     -- Assert buffer contents.
     expect([[
       results:
-      
+
         number
         relativenumber
-      
+
         number
         relativenumber
       :setlocal must NOT reset the other global value
-      
+
         number
-      
+
         relativenumber
       :setglobal MUST reset the other global value
-      
+
         number
-      
+
         relativenumber
       :set MUST reset the other global value
-      
+
         number
-      
+
         relativenumber]])
   end)
 end)
@@ -108,7 +108,7 @@ describe('findfile', function()
 
     expect([[
       Testing findfile
-      
+
       src/nvim/api/vim.c
       api/vim.c
       api/vim.c]])
diff --git a/test/functional/legacy/092_mksession_cursor_cols_utf8_spec.lua b/test/functional/legacy/092_mksession_cursor_cols_utf8_spec.lua
index 44f1664abe..3c46c29951 100644
--- a/test/functional/legacy/092_mksession_cursor_cols_utf8_spec.lua
+++ b/test/functional/legacy/092_mksession_cursor_cols_utf8_spec.lua
@@ -15,6 +15,7 @@ describe('store cursor position in session file in UTF-8', function()
     os.remove('test.out')
   end)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     insert([[
       start:
diff --git a/test/functional/legacy/093_mksession_cursor_cols_latin1_spec.lua b/test/functional/legacy/093_mksession_cursor_cols_latin1_spec.lua
index 49bc43f76f..b1221ff8b6 100644
--- a/test/functional/legacy/093_mksession_cursor_cols_latin1_spec.lua
+++ b/test/functional/legacy/093_mksession_cursor_cols_latin1_spec.lua
@@ -17,6 +17,7 @@ describe('store cursor position in session file in Latin-1', function()
     os.remove('test.out')
   end)
 
+  -- luacheck: ignore 621 (Indentation)
   it('is working', function()
     insert([[
       start:
diff --git a/test/functional/legacy/094_visual_mode_operators_spec.lua b/test/functional/legacy/094_visual_mode_operators_spec.lua
index 84e384050a..ff1d3e7bec 100644
--- a/test/functional/legacy/094_visual_mode_operators_spec.lua
+++ b/test/functional/legacy/094_visual_mode_operators_spec.lua
@@ -372,6 +372,7 @@ describe('Visual mode and operator', function()
     end)
   end)
 
+  -- luacheck: ignore 613 (Trailing whitespace in a string)
   it('gv in exclusive select mode after operation', function()
     source([[
       $put ='zzz '
diff --git a/test/functional/legacy/103_visual_mode_reset_spec.lua b/test/functional/legacy/103_visual_mode_reset_spec.lua
index d05b47fa32..f5cd861019 100644
--- a/test/functional/legacy/103_visual_mode_reset_spec.lua
+++ b/test/functional/legacy/103_visual_mode_reset_spec.lua
@@ -32,7 +32,7 @@ describe('E315 error', function()
     -- :del the ex-way will require the colon operator which resets the
     -- visual mode thus preventing the problem:
     feed('GV:call TriggerTheProblem()<cr>')
-  
+
     source([[
       %del _
       call append(line('$'), g:msg)
@@ -41,7 +41,7 @@ describe('E315 error', function()
 
     -- Assert buffer contents.
     expect([[
-      
+
       Everything's fine.]])
   end)
 end)
diff --git a/test/functional/legacy/106_errorformat_spec.lua b/test/functional/legacy/106_errorformat_spec.lua
index 5d76adc786..3f017a704f 100644
--- a/test/functional/legacy/106_errorformat_spec.lua
+++ b/test/functional/legacy/106_errorformat_spec.lua
@@ -15,9 +15,9 @@ describe('errorformat', function()
     command("$put =strtrans(string(map(getqflist(), '[v:val.text, v:val.valid]')))")
     command("cgetexpr ['WWWW', 'GGGG', 'ZZZZ', 'EEEE', 'CCCC', 'YYYY']")
     command("$put =strtrans(string(map(getqflist(), '[v:val.text, v:val.valid]')))")
-    
+
     expect([=[
-      
+
       [['W', 1], ['E^@CCCC', 1]]
       [['W', 1], ['E^@CCCC', 1]]
       [['W', 1], ['ZZZZ', 0], ['E^@CCCC', 1], ['YYYY', 0]]]=])
diff --git a/test/functional/legacy/108_backtrace_debug_commands_spec.lua b/test/functional/legacy/108_backtrace_debug_commands_spec.lua
index b2e2fa4ed3..ff1917e90c 100644
--- a/test/functional/legacy/108_backtrace_debug_commands_spec.lua
+++ b/test/functional/legacy/108_backtrace_debug_commands_spec.lua
@@ -89,18 +89,18 @@ describe('108', function()
 
     -- Assert buffer contents.
     expect([=[
-      
-      
-      
+
+
+
       - show backtrace:
-      
+
         2 function Foo[2]
         1 Bar[2]
       ->0 Bazz
       line 2: let var3 = "another var"
-      
+
       show variables on different levels:
-      
+
       6
         2 function Foo[2]
       ->1 Bar[2]
@@ -112,9 +112,9 @@ describe('108', function()
         0 Bazz
       line 2: let var3 = "another var"
       1
-      
+
       - undefined vars:
-      
+
       undefined var3 on former level:
       Error detected while processing function Foo[2]..Bar[2]..Bazz:
       line    3:
@@ -122,7 +122,7 @@ describe('108', function()
       E15: Invalid expression: var3
       here var3 is defined with "another var":
       another var
-      
+
       undefined var2 on former level
       Error detected while processing function Foo[2]..Bar:
       line    3:
@@ -130,37 +130,37 @@ describe('108', function()
       E15: Invalid expression: var2
       here var2 is defined with 10:
       10
-      
+
       - backtrace movements:
-      
+
         1 function Foo[2]
       ->0 Bar
       line 3: End of function
-      
+
       next command cannot go down, we are on bottom
-      
+
       frame is zero
-      
+
       next command cannot go up, we are on top
-      
+
       frame at highest level: 1
       ->1 function Foo[2]
         0 Bar
       line 3: End of function
       fil is not frame or finish, it is file
       "[No Name]" --No lines in buffer--
-      
+
       - relative backtrace movement
-      
+
         1 function Foo[2]
       ->0 Bar
       line 3: End of function
       ->1 function Foo[2]
         0 Bar
       line 3: End of function
-      
+
       - go beyond limits does not crash
-      
+
       frame at highest level: 1
       ->1 function Foo[2]
         0 Bar
@@ -169,7 +169,7 @@ describe('108', function()
         1 function Foo[2]
       ->0 Bar
       line 3: End of function
-      
+
       - final result 19:
       19
       ]=])
diff --git a/test/functional/legacy/breakindent_spec.lua b/test/functional/legacy/breakindent_spec.lua
index 7594dba16c..fd25e809e0 100644
--- a/test/functional/legacy/breakindent_spec.lua
+++ b/test/functional/legacy/breakindent_spec.lua
@@ -7,6 +7,9 @@ local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers
 describe('breakindent', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
+  -- luacheck: ignore 613 (Trailing whitespace in a string)
+  -- luacheck: ignore 611 (Line contains only whitespaces)
   it('is working', function()
     insert('dummy text')
 
diff --git a/test/functional/legacy/command_count_spec.lua b/test/functional/legacy/command_count_spec.lua
index ad5368430a..8707c0459c 100644
--- a/test/functional/legacy/command_count_spec.lua
+++ b/test/functional/legacy/command_count_spec.lua
@@ -4,6 +4,7 @@ local helpers = require('test.functional.helpers')(after_each)
 local clear, source, expect = helpers.clear, helpers.source, helpers.expect
 local feed_command = helpers.feed_command
 
+-- luacheck: ignore 613 (Trailing whitespace in a string)
 describe('command_count', function()
   it('is working', function()
     -- It is relevant for the test to load a file initially.  If this is
@@ -133,8 +134,8 @@ describe('command_count', function()
       let g:lines = []
       func BufStatus()
         call add(g:lines,
-	  \  'aaa: ' . buflisted(g:buf_aaa) . 
-	  \ ' bbb: ' . buflisted(g:buf_bbb) . 
+	  \  'aaa: ' . buflisted(g:buf_aaa) .
+	  \ ' bbb: ' . buflisted(g:buf_bbb) .
 	  \ ' ccc: ' . buflisted(g:buf_ccc))
       endfunc
       se nohidden
@@ -214,7 +215,7 @@ describe('command_count', function()
       RangeTabsAll 1 5
       RangeLines 2 5
       LocalRangeLines 2 5
-      
+
       5argu E16: Invalid range
       4argu d
       1argu a
@@ -225,7 +226,7 @@ describe('command_count', function()
       $tabe 2
       $+tabe E16: Invalid range
       0tabm x
-      
+
       aaa: 1 bbb: 1 ccc: 1
       aaa: 1 bbb: 0 ccc: 0
       aaa: 0 bbb: 0 ccc: 0
diff --git a/test/functional/legacy/erasebackword_spec.lua b/test/functional/legacy/erasebackword_spec.lua
index 33b7704b65..8ca64df328 100644
--- a/test/functional/legacy/erasebackword_spec.lua
+++ b/test/functional/legacy/erasebackword_spec.lua
@@ -6,6 +6,7 @@ local clear, feed, expect = helpers.clear, helpers.feed, helpers.expect
 describe('CTRL-W in Insert mode', function()
   setup(clear)
 
+  -- luacheck: ignore 611 (Line contains only whitespaces)
   it('works for multi-byte characters', function()
 
     for i = 1, 6 do
diff --git a/test/functional/legacy/increment_spec.lua b/test/functional/legacy/increment_spec.lua
index 15273a4ad5..d51f9a2e02 100644
--- a/test/functional/legacy/increment_spec.lua
+++ b/test/functional/legacy/increment_spec.lua
@@ -685,7 +685,7 @@ describe('Ctrl-A/Ctrl-X on visual selections', function()
       " Text:
       "   1 23
       "   4 56
-      " 
+      "
       " Expected:
       "   1) f2 Ctrl-V jl <ctrl-a>, repeat twice afterwards with .
       "   1 26
diff --git a/test/functional/legacy/listchars_spec.lua b/test/functional/legacy/listchars_spec.lua
index 3c0fa48e76..cffb9fd376 100644
--- a/test/functional/legacy/listchars_spec.lua
+++ b/test/functional/legacy/listchars_spec.lua
@@ -4,12 +4,14 @@ local helpers = require('test.functional.helpers')(after_each)
 local feed, insert, source = helpers.feed, helpers.insert, helpers.source
 local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers.expect
 
+-- luacheck: ignore 621 (Indentation)
 describe("'listchars'", function()
   before_each(function()
     clear()
     feed_command('set listchars&vi')
   end)
 
+  -- luacheck: ignore 613 (Trailing whitespace in a string)
   it("works with 'list'", function()
     source([[
       function GetScreenCharsForLine(lnum)
diff --git a/test/functional/legacy/listlbr_spec.lua b/test/functional/legacy/listlbr_spec.lua
index d39125c9e6..f70d55f4a3 100644
--- a/test/functional/legacy/listlbr_spec.lua
+++ b/test/functional/legacy/listlbr_spec.lua
@@ -7,6 +7,9 @@ local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers
 describe('listlbr', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
+  -- luacheck: ignore 611 (Line contains only whitespaces)
+  -- luacheck: ignore 613 (Trailing whitespaces in a string)
   it('is working', function()
     insert([[
       dummy text]])
@@ -20,20 +23,20 @@ describe('listlbr', function()
     feed_command('set ts=4 sw=4 sts=4 linebreak sbr=+ wrap')
     source([[
       fu! ScreenChar(width)
-      	let c=''
-      	for j in range(1,4)
-	  for i in range(1,a:width)
-	    let c.=nr2char(screenchar(j, i))
-	  endfor
-	  let c.="\n"
-      	endfor
-      	return c
+        let c=''
+        for j in range(1,4)
+          for i in range(1,a:width)
+            let c.=nr2char(screenchar(j, i))
+          endfor
+          let c.="\n"
+        endfor
+        return c
       endfu
       fu! DoRecordScreen()
-      	wincmd l
-      	$put =printf(\"\n%s\", g:test)
-      	$put =g:line
-      	wincmd p
+        wincmd l
+        $put =printf(\"\n%s\", g:test)
+        $put =g:line
+        wincmd p
       endfu
     ]])
     feed_command('let g:test="Test 1: set linebreak"')
diff --git a/test/functional/legacy/listlbr_utf8_spec.lua b/test/functional/legacy/listlbr_utf8_spec.lua
index f06bca72ba..d7f4c71af2 100644
--- a/test/functional/legacy/listlbr_utf8_spec.lua
+++ b/test/functional/legacy/listlbr_utf8_spec.lua
@@ -8,6 +8,8 @@ local clear, expect = helpers.clear, helpers.expect
 describe('linebreak', function()
   setup(clear)
 
+  -- luacheck: ignore 621 (Indentation)
+  -- luacheck: ignore 613 (Trailing whitespaces in a string)
   it('is working', function()
     source([[
       set wildchar=^E
@@ -18,20 +20,20 @@ describe('linebreak', function()
       norm! zt
       set ts=4 sw=4 sts=4 linebreak sbr=+ wrap
       fu! ScreenChar(width, lines)
-      	let c=''
-      	for j in range(1,a:lines)
-      	    for i in range(1,a:width)
-      	    	let c.=nr2char(screenchar(j, i))
-      	    endfor
+        let c=''
+        for j in range(1,a:lines)
+            for i in range(1,a:width)
+              let c.=nr2char(screenchar(j, i))
+            endfor
                  let c.="\n"
-      	endfor
-      	return c
+        endfor
+        return c
       endfu
       fu! DoRecordScreen()
-      	wincmd l
-      	$put =printf(\"\n%s\", g:test)
-      	$put =g:line
-      	wincmd p
+        wincmd l
+        $put =printf(\"\n%s\", g:test)
+        $put =g:line
+        wincmd p
       endfu
       "
       let g:test ="Test 1: set linebreak + set list + fancy listchars"
@@ -148,22 +150,22 @@ describe('linebreak', function()
 
     -- Assert buffer contents.
     expect([[
-      
+
       	abcdef hijklmn	pqrstuvwxyz 1060ABCDEFGHIJKLMNOP 
-      
+
       Test 1: set linebreak + set list + fancy listchars
       ▕———abcdef          
       +hijklmn▕———        
       +pqrstuvwxyz␣1060ABC
       +DEFGHIJKLMNOPˑ¶    
-      
+
       Test 2: set nolinebreak list
       ▕———abcdef hijklmn▕—
       +pqrstuvwxyz␣1060ABC
       +DEFGHIJKLMNOPˑ¶    
       ¶                   
       	*mask = nil;
-      
+
       Test 3: set linebreak nolist
           *mask = nil;    
       ~                   
@@ -177,7 +179,7 @@ describe('linebreak', function()
       #define MSG_MODE_CONSOLE		2
       #define MSG_MODE_FILE_AND_CONSOLE	3
       #define MSG_MODE_FILE_THEN_CONSOLE	4
-      
+
       Test 4: set linebreak list listchars and concealing
       #define ABCDE>-->---1                   
       #define >CDEF>-->---1                   
@@ -187,7 +189,7 @@ describe('linebreak', function()
       #define >_CONSOLE>---------->---2       
       #define >_FILE_AND_CONSOLE>---------3   
       bbeeeeee		;	some text
-      
+
       Test 5: set linebreak list listchars and concealing part2
       eeeeee>--->-;>some text                 
       Test 6: Screenattributes for comment
@@ -196,10 +198,10 @@ describe('linebreak', function()
       Attribut 0 and 1 and 3 and 5 are different!
       Test 8: set linebreak with visual block mode and v_b_A and selection=exclusive and multibyte char
       long line: foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar foobar TARGETÃx' at end
-      
+
       a b c
       a b c
-      
+
       Test 9: a multibyte sign and colorcolumn
         ¶                                     
       ＋a b c¶                                
diff --git a/test/functional/legacy/marks_spec.lua b/test/functional/legacy/marks_spec.lua
index bcec179ca2..470ea49652 100644
--- a/test/functional/legacy/marks_spec.lua
+++ b/test/functional/legacy/marks_spec.lua
@@ -7,6 +7,7 @@ describe('marks', function()
     clear()
   end)
 
+  -- luacheck: ignore 621 (Indentation)
   it('restores a deleted mark after delete-undo-redo-undo', function()
     insert([[
 
diff --git a/test/functional/legacy/options_spec.lua b/test/functional/legacy/options_spec.lua
index 4f4d4ceaf9..1db7afc7a7 100644
--- a/test/functional/legacy/options_spec.lua
+++ b/test/functional/legacy/options_spec.lua
@@ -21,7 +21,7 @@ describe('set', function()
       $put =&path]])
 
     expect([[
-      
+
       foo,,bar]])
   end)
 end)
diff --git a/test/functional/legacy/packadd_spec.lua b/test/functional/legacy/packadd_spec.lua
index 7c44353aec..2dfd36142b 100644
--- a/test/functional/legacy/packadd_spec.lua
+++ b/test/functional/legacy/packadd_spec.lua
@@ -172,9 +172,9 @@ describe('packadd', function()
 
         helptags ALL
 
-        let tags1 = readfile(docdir1 . '/tags') 
+        let tags1 = readfile(docdir1 . '/tags')
         call assert_true(tags1[0] =~ 'look-here')
-        let tags2 = readfile(docdir2 . '/tags') 
+        let tags2 = readfile(docdir2 . '/tags')
         call assert_true(tags2[0] =~ 'look-away')
       endfunc
 
diff --git a/test/functional/legacy/tagcase_spec.lua b/test/functional/legacy/tagcase_spec.lua
index ed2876a375..9ca0e0009f 100644
--- a/test/functional/legacy/tagcase_spec.lua
+++ b/test/functional/legacy/tagcase_spec.lua
@@ -53,11 +53,11 @@ describe("'tagcase' option", function()
     -- Verify that the correct number of matching tags is found for all values of
     -- 'ignorecase' and global and local values 'tagcase', in all combinations.
     insert([[
-      
+
       Foo
       Bar
       foo
-      
+
       end text]])
 
     source([[
@@ -70,7 +70,7 @@ describe("'tagcase' option", function()
           endfor
         endfor
       endfor
-      
+
       1,/^end text$/d]])
 
     expect([[
diff --git a/test/functional/legacy/utf8_spec.lua b/test/functional/legacy/utf8_spec.lua
index 02de6ab735..5b93f25b24 100644
--- a/test/functional/legacy/utf8_spec.lua
+++ b/test/functional/legacy/utf8_spec.lua
@@ -54,6 +54,7 @@ describe('utf8', function()
     eq(1, eval('strchars("\\u20dd", 1)'))
   end)
 
+  -- luacheck: ignore 613 (Trailing whitespace in a string)
   it('customlist completion', function()
     source([[
       function! CustomComplete1(lead, line, pos)