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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 07:39:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 07:39:41 +0000
commit00c068502d170f9f9b59c4a68aa12e8835859f6c (patch)
tree2047fc01b8c70326d9b87b47a575e7e5f2141b62 /src/testdir/test_scroll_opt.vim
parentAdding upstream version 2:9.1.0016. (diff)
downloadvim-00c068502d170f9f9b59c4a68aa12e8835859f6c.tar.xz
vim-00c068502d170f9f9b59c4a68aa12e8835859f6c.zip
Adding upstream version 2:9.1.0199.upstream/2%9.1.0199
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/testdir/test_scroll_opt.vim')
-rw-r--r--src/testdir/test_scroll_opt.vim38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
index f41f0e2..3467760 100644
--- a/src/testdir/test_scroll_opt.vim
+++ b/src/testdir/test_scroll_opt.vim
@@ -960,4 +960,42 @@ func Test_smoothscroll_insert_bottom()
call StopVimInTerminal(buf)
endfunc
+func Test_smoothscroll_in_zero_width_window()
+ set cpo+=n number smoothscroll
+ set winwidth=99999 winminwidth=0
+
+ vsplit
+ call assert_equal(0, winwidth(winnr('#')))
+ call win_execute(win_getid(winnr('#')), "norm! \<C-Y>")
+
+ only!
+ set winwidth& winminwidth&
+ set cpo-=n nonumber nosmoothscroll
+endfunc
+
+func Test_smoothscroll_textoff_small_winwidth()
+ set smoothscroll number
+ call setline(1, 'llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch')
+ vsplit
+
+ let textoff = getwininfo(win_getid())[0].textoff
+ execute 'vertical resize' textoff + 1
+ redraw
+ call assert_equal(0, winsaveview().skipcol)
+ execute "normal! 0\<C-E>"
+ redraw
+ call assert_equal(1, winsaveview().skipcol)
+ execute 'vertical resize' textoff - 1
+ " This caused a signed integer overflow.
+ redraw
+ call assert_equal(1, winsaveview().skipcol)
+ execute 'vertical resize' textoff
+ " This caused an infinite loop.
+ redraw
+ call assert_equal(1, winsaveview().skipcol)
+
+ %bw!
+ set smoothscroll& number&
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab