patch 9.0.0652: 'smoothscroll' not tested with 'number' and "n" in 'cpo'
Problem: 'smoothscroll' not tested with 'number' and "n" in 'cpo'.
Solution: Add tests, fix uncovered problem.
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
index e23068f..5dfc697 100644
--- a/src/testdir/test_scroll_opt.vim
+++ b/src/testdir/test_scroll_opt.vim
@@ -106,6 +106,41 @@
call StopVimInTerminal(buf)
endfunc
+func Test_smoothscroll_number()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ setline(1, [
+ 'one ' .. 'word '->repeat(20),
+ 'two ' .. 'long word '->repeat(7),
+ 'line',
+ 'line',
+ 'line',
+ ])
+ set smoothscroll
+ set number cpo+=n
+ :3
+ END
+ call writefile(lines, 'XSmoothNumber', 'D')
+ let buf = RunVimInTerminal('-S XSmoothNumber', #{rows: 12, cols: 40})
+
+ call VerifyScreenDump(buf, 'Test_smooth_number_1', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_2', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_3', {})
+
+ call term_sendkeys(buf, ":set cpo-=n\<CR>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_4', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_5', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_6', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab