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vim-patch:9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'

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Problem:    Negative topline using CTRL-Y with 'smoothscroll' and 'diff'.
            (Ernie Rael)
Solution:   Only use 'smoothscroll' when 'wrap' is set.

1a58e1d97c

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
Luuk van Baal
2023-04-26 16:54:23 +02:00
parent 181097e443
commit 8e4a4629ca
3 changed files with 66 additions and 10 deletions
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26
test/old/testdir/test_scroll_opt.vim
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@@ -158,6 +158,32 @@ func Test_smoothscroll_number()
call StopVimInTerminal(buf)
endfunc
func Test_smoothscroll_diff_mode()
CheckScreendump
let lines =<< trim END
vim9script
var text = 'just some text here'
setline(1, text)
set smoothscroll
diffthis
new
setline(1, text)
set smoothscroll
diffthis
END
call writefile(lines, 'XSmoothDiff', 'D')
let buf = RunVimInTerminal('-S XSmoothDiff', #{rows: 8})
call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
call term_sendkeys(buf, "\<C-Y>")
call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
call StopVimInTerminal(buf)
endfunc
" vim: shiftwidth=2 sts=2 expandtab