patch 9.0.0671: negative topline using CTRL-Y with 'smoothscroll' and 'diff'
Problem: Negative topline using CTRL-Y with 'smoothscroll' and 'diff'.
(Ernie Rael)
Solution: Only use 'smoothscroll' when 'wrap' is set.
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
index 5dfc697..b114fe3 100644
--- a/src/testdir/test_scroll_opt.vim
+++ b/src/testdir/test_scroll_opt.vim
@@ -141,6 +141,32 @@
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