patch 8.2.4797: getwininfo() may get oudated values
Problem: getwininfo() may get oudated values.
Solution: Make sure w_botline is up-to-date. (closes #10226)
diff --git a/src/testdir/test_bufwintabinfo.vim b/src/testdir/test_bufwintabinfo.vim
index 1d8e74a..403b98a 100644
--- a/src/testdir/test_bufwintabinfo.vim
+++ b/src/testdir/test_bufwintabinfo.vim
@@ -172,4 +172,26 @@
bw!
endfunc
+func Test_getwininfo_au()
+ enew
+ call setline(1, range(1, 16))
+
+ let g:info = #{}
+ augroup T1
+ au!
+ au WinEnter * let g:info = getwininfo(win_getid())[0]
+ augroup END
+
+ 4split
+ " Check that calling getwininfo() from WinEnter returns fresh values for
+ " topline and botline.
+ call assert_equal(1, g:info.topline)
+ call assert_equal(4, g:info.botline)
+ close
+
+ unlet g:info
+ augroup! T1
+ bwipe!
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab