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-rw-r--r--activesupport/test/core_ext/date_ext_test.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/date_ext_test.rb b/activesupport/test/core_ext/date_ext_test.rb
index d81693209f..b4f848cd44 100644
--- a/activesupport/test/core_ext/date_ext_test.rb
+++ b/activesupport/test/core_ext/date_ext_test.rb
@@ -454,4 +454,10 @@ class DateExtBehaviorTest < Test::Unit::TestCase
Date.today.freeze.inspect
end
end
+
+ def test_can_freeze_twice
+ assert_nothing_raised do
+ Date.today.freeze.freeze
+ end
+ end
end