patch 9.1.0176: Cursor column wrong with 'virtualedit' and conceal

Problem:  Cursor column wrong with 'virtualedit' and conceal.
Solution: Correct cursor column at end of line if never reached.
          (zeertzjq)

closes: #14190

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_conceal.vim b/src/testdir/test_conceal.vim
index 16953fc..7080fdd 100644
--- a/src/testdir/test_conceal.vim
+++ b/src/testdir/test_conceal.vim
@@ -462,4 +462,58 @@
   set mouse& virtualedit&
 endfunc
 
+" Test that cursor is drawn at the correct column when it is after end of the
+" line with 'virtualedit' and concealing.
+func Test_conceal_virtualedit_after_eol()
+  CheckScreendump
+
+  let code =<< trim [CODE]
+    call setline(1, 'abcdefgh|hidden|ijklmnpop')
+    syntax match test /|hidden|/ conceal
+    set conceallevel=2 concealcursor=n virtualedit=all
+    normal! $
+  [CODE]
+  call writefile(code, 'XTest_conceal_ve_after_eol', 'D')
+  let buf = RunVimInTerminal('-S XTest_conceal_ve_after_eol', {'rows': 3})
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_1', {})
+  call term_sendkeys(buf, "l")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_2', {})
+  call term_sendkeys(buf, "l")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_3', {})
+  call term_sendkeys(buf, "l")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_4', {})
+  call term_sendkeys(buf, "rr")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_5', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+endfunc
+
+" Same as Test_conceal_virtualedit_after_eol(), but with 'rightleft' set.
+func Test_conceal_virtualedit_after_eol_rightleft()
+  CheckFeature rightleft
+  CheckScreendump
+
+  let code =<< trim [CODE]
+    call setline(1, 'abcdefgh|hidden|ijklmnpop')
+    syntax match test /|hidden|/ conceal
+    set conceallevel=2 concealcursor=n virtualedit=all rightleft
+    normal! $
+  [CODE]
+  call writefile(code, 'XTest_conceal_ve_after_eol_rl', 'D')
+  let buf = RunVimInTerminal('-S XTest_conceal_ve_after_eol_rl', {'rows': 3})
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_rl_1', {})
+  call term_sendkeys(buf, "h")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_rl_2', {})
+  call term_sendkeys(buf, "h")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_rl_3', {})
+  call term_sendkeys(buf, "h")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_rl_4', {})
+  call term_sendkeys(buf, "rr")
+  call VerifyScreenDump(buf, 'Test_conceal_ve_after_eol_rl_5', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab