From 8bd699008445d690f8dca87e69a2e73f5f172784 Mon Sep 17 00:00:00 2001 From: Daniel Steinberg Date: Wed, 30 Jun 2021 21:24:50 -0400 Subject: vim-patch:8.2.1905: the wininfo list may contain stale entries (#14884) Problem: The wininfo list may contain stale entries. Solution: When closing a window remove any other entry where the window pointer is NULL. https://github.com/vim/vim/commit/4882d983397057ea91c584c5a54aaccf15016d18 --- test/functional/legacy/memory_usage_spec.lua | 32 ++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'test/functional') diff --git a/test/functional/legacy/memory_usage_spec.lua b/test/functional/legacy/memory_usage_spec.lua index 97ac96804e..0f2d77093a 100644 --- a/test/functional/legacy/memory_usage_spec.lua +++ b/test/functional/legacy/memory_usage_spec.lua @@ -166,4 +166,36 @@ describe('memory usage', function() check_result({before=before, after=after, last=last}, pcall(ok, last.last < upper)) end) + + it('releases memory when closing windows when folds exist', function() + local pid = eval('getpid()') + source([[ + new + " Insert lines + call nvim_buf_set_lines(0, 0, 0, v:false, repeat([''], 999)) + " Create folds + normal! gg + for _ in range(500) + normal! zfjj + endfor + ]]) + poke_eventloop() + local before = monitor_memory_usage(pid) + source([[ + " Split and close window multiple times + for _ in range(1000) + split + close + endfor + ]]) + poke_eventloop() + local after = monitor_memory_usage(pid) + source('bwipe!') + poke_eventloop() + -- Allow for an increase of 5% in memory usage, which accommodates minor fluctuation, + -- but is small enough that if memory were not released (prior to PR #14884), the test + -- would fail. + local upper = before.last * 1.05 + check_result({before=before, after=after}, pcall(ok, after.last <= upper)) + end) end) -- cgit