commit 21efafe4c25373929979c72dc8aafa119f12dd8b
author Bram Moolenaar <Bram@vim.org> Thu Mar 03 20:04:03 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Thu Mar 03 20:04:03 2022 +0000
tree f3fabbfba3e339c35a2567d2c61f1560793d491b
parent 0e1574c4069ded47c170fcd7a47a0df66693a5f4

patch 8.2.4501: with 'showbreak' set cursor displayed in wrong position

Problem:    With 'showbreak' set and after the end of the line the cursor
            may be displayed in the wrong position.
Solution:   Do not apply 'showbreak' after the end of the line. (closes #9884)

src/testdir/test_breakindent.vim

diff --git a/src/testdir/test_breakindent.vim b/src/testdir/test_breakindent.vim
index 6258a7a..d60b2f4 100644
--- a/src/testdir/test_breakindent.vim
+++ b/src/testdir/test_breakindent.vim
@@ -8,6 +8,7 @@
 CheckOption breakindent
 
 source view_util.vim
+source screendump.vim
 
 let s:input ="\tabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP"
 
@@ -849,6 +850,27 @@
   %bw!
 endfunc
 
+func Test_cursor_position_with_showbreak()
+  CheckScreendump
+
+  let lines =<< trim END
+      vim9script
+      &signcolumn = 'yes'
+      &showbreak = '+ '
+      var leftcol: number = win_getid()->getwininfo()->get(0, {})->get('textoff')
+      repeat('x', &columns - leftcol - 1)->setline(1)
+      'second line'->setline(2)
+  END
+  call writefile(lines, 'XscriptShowbreak')
+  let buf = RunVimInTerminal('-S XscriptShowbreak', #{rows: 6})
+
+  call term_sendkeys(buf, "AX")
+  call VerifyScreenDump(buf, 'Test_cursor_position_with_showbreak', {})
+
+  call StopVimInTerminal(buf)
+  call delete('XscriptShowbreak')
+endfunc
+
 func Test_no_spurious_match()
   let s:input = printf('- y %s y %s', repeat('x', 50), repeat('x', 50))
   call s:test_windows('setl breakindent breakindentopt=list:-1 formatlistpat=^- hls')