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-rwxr-xr-xactiverecord/test/cases/base_test.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 0f3f6e41a5..f9ac37cc87 100755
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -2116,4 +2116,8 @@ class BasicsTest < ActiveRecord::TestCase
assert_equal custom_datetime, parrot[attribute]
end
end
+
+ def test_dup
+ assert !Minimalistic.new.freeze.dup.frozen?
+ end
end