vim-patch:8.1.2029: cannot control 'cursorline' highlighting well

Problem:    Cannot control 'cursorline' highlighting well.
Solution:   Add "screenline". (Christian Brabandt, closes vim/vim#4933)
https://github.com/vim/vim/commit/017ba07fa2cdc578245618717229444fd50c470d

1 files changed, 92 insertions, 2 deletions

diff --git a/src/nvim/testdir/test_cursorline.vim b/src/nvim/testdir/test_cursorline.vim
index 46fbd0cd64..49df94f906 100644
--- a/src/nvim/testdir/test_cursorline.vim
+++ b/src/nvim/testdir/test_cursorline.vim
@@ -1,7 +1,7 @@
 " Test for cursorline and cursorlineopt
-"
-source view_util.vim
+
 source check.vim
+source screendump.vim
 
 function! s:screen_attr(lnum) abort
   return map(range(1, 8), 'screenattr(a:lnum, v:val)')
@@ -106,3 +106,93 @@ func Test_cursorline_highlight2()
     exe 'hi' save_hi
   endtry
 endfunc
+
+func Test_cursorline_screenline()
+  CheckScreendump
+  CheckOption cursorlineopt
+  let filename='Xcursorline'
+  let lines = []
+
+  let file_content =<< trim END
+    1 foooooooo ar eins‍zwei drei vier fünf sechs sieben acht un zehn elf zwöfl dreizehn	v ierzehn	fünfzehn
+    2 foooooooo bar eins zwei drei vier fünf sechs sieben
+    3 foooooooo bar eins zwei drei vier fünf sechs sieben
+    4 foooooooo bar eins zwei drei vier fünf sechs sieben
+  END
+  let lines1 =<< trim END1
+    set nocp
+    set display=lastline
+    set cursorlineopt=screenline cursorline nu wrap sbr=>
+    hi CursorLineNr ctermfg=blue
+    25vsp
+  END1
+  let lines2 =<< trim END2
+    call cursor(1,1)
+  END2
+  call extend(lines, lines1)
+  call extend(lines,  ["call append(0, ".. string(file_content).. ')'])
+  call extend(lines, lines2)
+  call writefile(lines, filename)
+  " basic test
+  let buf = RunVimInTerminal('-S '. filename, #{rows: 20})
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_1', {})
+  call term_sendkeys(buf, "fagj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_2', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_3', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_4', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_5', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_6', {})
+  " test with set list and cursorlineopt containing number
+  call term_sendkeys(buf, "gg0")
+  call term_sendkeys(buf, ":set list cursorlineopt+=number listchars=space:-\<cr>")
+  call VerifyScreenDump(buf, 'Test_'. filename. '_7', {})
+  call term_sendkeys(buf, "fagj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_8', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_9', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_10', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_11', {})
+  call term_sendkeys(buf, "gj")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_'. filename. '_12', {})
+  if exists("+foldcolumn") && exists("+signcolumn") && exists("+breakindent")
+    " test with set foldcolumn signcoloumn and breakindent
+    call term_sendkeys(buf, "gg0")
+    call term_sendkeys(buf, ":set breakindent foldcolumn=2 signcolumn=yes\<cr>")
+    call VerifyScreenDump(buf, 'Test_'. filename. '_13', {})
+    call term_sendkeys(buf, "fagj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_14', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_15', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_16', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_17', {})
+    call term_sendkeys(buf, "gj")
+    call term_wait(buf)
+    call VerifyScreenDump(buf, 'Test_'. filename. '_18', {})
+  endif
+
+  call StopVimInTerminal(buf)
+  call delete(filename)
+endfunc