From 8fa3995a1a02e9014ce01351e0260bec20ceefd7 Mon Sep 17 00:00:00 2001 From: KOBAYASHI Shuji Date: Thu, 25 Apr 2019 19:48:40 +0900 Subject: Singleton class of frozen object should be frozen Before this patch: p (class << Object.new.freeze; self end).frozen? #=> false sc = class << (o=Object.new); self end; o.freeze; p sc.frozen? #=> false After this patch / Ruby: p (class << Object.new.freeze; self end).frozen? #=> true sc = class << (o=Object.new); self end; o.freeze; p sc.frozen? #=> true --- test/t/class.rb | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'test/t') diff --git a/test/t/class.rb b/test/t/class.rb index 0c95677fc..e2839111c 100644 --- a/test/t/class.rb +++ b/test/t/class.rb @@ -356,6 +356,13 @@ assert('singleton tests') do end end end if Object.const_defined?(:Float) + + o = Object.new + sc = class << o; self end + o.freeze + assert_predicate(sc, :frozen?) + + assert_predicate(class << Object.new.freeze; self end, :frozen?) end assert('clone Class') do -- cgit v1.2.3