diff options
author | Edgars Beigarts <edgars.beigarts@gmail.com> | 2017-12-14 12:37:51 +0200 |
---|---|---|
committer | Edgars Beigarts <edgars.beigarts@gmail.com> | 2019-03-26 12:11:37 +0200 |
commit | 7432c9226e67de1b9a334a097446ea8c12350dbe (patch) | |
tree | ed8539adcab91160ae8d8121b297bf5361561a2c /activesupport/test | |
parent | 15ca8ad0c1e94d11d0deb02535bc286e077d43ce (diff) | |
download | rails-7432c9226e67de1b9a334a097446ea8c12350dbe.tar.gz rails-7432c9226e67de1b9a334a097446ea8c12350dbe.tar.bz2 rails-7432c9226e67de1b9a334a097446ea8c12350dbe.zip |
Use weak references in descendants tracker
It allows anonymous subclasses to be garbage collected.
Diffstat (limited to 'activesupport/test')
-rw-r--r-- | activesupport/test/descendants_tracker_test_cases.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/activesupport/test/descendants_tracker_test_cases.rb b/activesupport/test/descendants_tracker_test_cases.rb index 2c94c3c56c..f8752688d2 100644 --- a/activesupport/test/descendants_tracker_test_cases.rb +++ b/activesupport/test/descendants_tracker_test_cases.rb @@ -27,6 +27,15 @@ module DescendantsTrackerTestCases assert_equal_sets [], Child2.descendants end + def test_descendants_with_garbage_collected_classes + 1.times do + child_klass = Class.new(Parent) + assert_equal_sets [Child1, Grandchild1, Grandchild2, Child2, child_klass], Parent.descendants + end + GC.start + assert_equal_sets [Child1, Grandchild1, Grandchild2, Child2], Parent.descendants + end + def test_direct_descendants assert_equal_sets [Child1, Child2], Parent.direct_descendants assert_equal_sets [Grandchild1, Grandchild2], Child1.direct_descendants |