patch 8.1.0425: ml_get error and crash with appendbufline()
Problem: ml_get error and crash with appendbufline(). (Masashi Iizuka)
Solution: Set per-window buffer info. (Hirohito Higashi, closes #3455)
diff --git a/src/testdir/test_bufline.vim b/src/testdir/test_bufline.vim
index 1f83e8b..524144d 100644
--- a/src/testdir/test_bufline.vim
+++ b/src/testdir/test_bufline.vim
@@ -91,6 +91,33 @@
exe "bwipe! " . b
endfunc
+func Test_appendbufline_no_E315()
+ let after = [
+ \ 'set stl=%f ls=2',
+ \ 'new',
+ \ 'let buf = bufnr("%")',
+ \ 'quit',
+ \ 'vsp',
+ \ 'exec "buffer" buf',
+ \ 'wincmd w',
+ \ 'call appendbufline(buf, 0, "abc")',
+ \ 'redraw',
+ \ 'while getbufline(buf, 1)[0] =~ "^\\s*$"',
+ \ ' sleep 10m',
+ \ 'endwhile',
+ \ 'au VimLeavePre * call writefile([v:errmsg], "Xerror")',
+ \ 'au VimLeavePre * call writefile(["done"], "Xdone")',
+ \ 'qall!',
+ \ ]
+ if !RunVim([], after, '--clean')
+ return
+ endif
+ call assert_notmatch("^E315:", readfile("Xerror")[0])
+ call assert_equal("done", readfile("Xdone")[0])
+ call delete("Xerror")
+ call delete("Xdone")
+endfunc
+
func Test_deletebufline()
new
let b = bufnr('%')