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authorAlan Wu <[email protected]>2022-12-06 12:06:25 -0500
committerAlan Wu <[email protected]>2022-12-08 15:58:26 -0500
commitbb8afd7265af41a75e8889774aa26f157f146380 (patch)
treeb007884bac61642c1f063130bd9884bbeab5e821 /test
parent47a5b34aba514fd075664b4cf0e95e0f7f26609f (diff)
Freeze singleton class, not its origin
Previously, when we froze an object, we froze `RCLASS_ORIGIN(object.singleton_class)`, which didn't freeze `object.singleton_class` when it has some prepended modules. Origin iclass are internal objects and users can't interact with them through Kernel#freeze?, Kernel#freeze, or any mutation method that checks the frozen status. So we shouldn't touch the origin iclasses when the frozen status should be visible. [Bug #19169]
Notes
Notes: Merged: https://github.com/ruby/ruby/pull/6869
Diffstat (limited to 'test')
-rw-r--r--test/ruby/test_object.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
index a9d5d4b13e..891ceff0c9 100644
--- a/test/ruby/test_object.rb
+++ b/test/ruby/test_object.rb
@@ -925,6 +925,19 @@ class TestObject < Test::Unit::TestCase
end
end
+ def test_singleton_class_freeze
+ x = Object.new
+ xs = x.singleton_class
+ x.freeze
+ assert_predicate(xs, :frozen?)
+
+ y = Object.new
+ ys = y.singleton_class
+ ys.prepend(Module.new)
+ y.freeze
+ assert_predicate(ys, :frozen?, '[Bug #19169]')
+ end
+
def test_redef_method_missing
bug5473 = '[ruby-core:40287]'
['ArgumentError.new("bug5473")', 'ArgumentError, "bug5473"', '"bug5473"'].each do |code|