patch 8.2.2244: crash when making the window width negative
Problem: Crash when making the window width of the not-current window
negative.
Solution: Make sure the window width is not negative. (closes #7568)
diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
index 51d0722..b0c5a41 100644
--- a/src/testdir/test_window_cmd.vim
+++ b/src/testdir/test_window_cmd.vim
@@ -1148,6 +1148,14 @@
exe other_winnr .. 'resize +1'
call assert_equal(12, winheight(other_winnr))
call assert_equal(&lines - 10 - 3 -2, winheight(0))
+ close
+
+ vsplit
+ wincmd l
+ let other_winnr = winnr('h')
+ call assert_notequal(winnr(), other_winnr)
+ exe 'vert ' .. other_winnr .. 'resize -100'
+ call assert_equal(0, winwidth(other_winnr))
%bwipe!
endfunc