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-rw-r--r--activesupport/test/ordered_options_test.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/activesupport/test/ordered_options_test.rb b/activesupport/test/ordered_options_test.rb
index 7f2e774c02..2c67bb02ac 100644
--- a/activesupport/test/ordered_options_test.rb
+++ b/activesupport/test/ordered_options_test.rb
@@ -102,4 +102,17 @@ class OrderedOptionsTest < ActiveSupport::TestCase
end
assert_raises(KeyError) { a.non_existing_key! }
end
+
+ def test_inheritable_options_with_bang
+ a = ActiveSupport::InheritableOptions.new(foo: :bar)
+
+ assert_nothing_raised { a.foo! }
+ assert_equal a.foo, a.foo!
+
+ assert_raises(KeyError) do
+ a.foo = nil
+ a.foo!
+ end
+ assert_raises(KeyError) { a.non_existing_key! }
+ end
end