patch 8.2.4497: wrong color for half of wide character next to pum scrollbar
Problem: Wrong color for half of wide character next to pum scrollbar.
Solution: Redraw the screen cell with the right color. (closes #9874)
diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index cb64376..033bb37 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -606,6 +606,24 @@
call delete('Xpreviewscript')
endfunc
+func Test_scrollbar_on_wide_char()
+ CheckScreendump
+
+ let lines =<< trim END
+ call setline(1, ['a', ' 啊啊啊',
+ \ ' 哦哦哦',
+ \ ' 呃呃呃'])
+ call setline(5, range(10)->map({i, v -> 'aa' .. v .. 'bb'}))
+ END
+ call writefile(lines, 'Xwidescript')
+ let buf = RunVimInTerminal('-S Xwidescript', #{rows: 10})
+ call term_sendkeys(buf, "A\<C-N>")
+ call VerifyScreenDump(buf, 'Test_scrollbar_on_wide_char', {})
+
+ call StopVimInTerminal(buf)
+ call delete('Xwidescript')
+endfunc
+
" Test for inserting the tag search pattern in insert mode
func Test_ins_compl_tag_sft()
call writefile([