Another spec for #288.

1 files changed, 12 insertions, 0 deletions

diff --git a/spec/hashie/extensions/coercion_spec.rb b/spec/hashie/extensions/coercion_spec.rb
index 1c45a55..b190686 100644
--- a/spec/hashie/extensions/coercion_spec.rb
+++ b/spec/hashie/extensions/coercion_spec.rb
@@ -47,8 +47,13 @@ describe Hashie::Extensions::Coercion do
         coerce_key :bar, Integer
       end
 
+      class OtherNestedCoercableHash < BaseCoercableHash
+        coerce_key :foo, Symbol
+      end
+
       class RootCoercableHash < BaseCoercableHash
         coerce_key :nested, NestedCoercableHash
+        coerce_key :other, OtherNestedCoercableHash
         coerce_key :nested_list, Array[NestedCoercableHash]
         coerce_key :nested_hash, Hash[String => NestedCoercableHash]
       end
@@ -62,6 +67,13 @@ describe Hashie::Extensions::Coercion do
       subject { RootCoercableHash }
       let(:instance) { subject.new }
 
+      it 'does not add coercions to superclass' do
+        instance[:nested] = { foo: 'bar' }
+        instance[:other]  = { foo: 'bar' }
+        expect(instance[:nested][:foo]).to be_a String
+        expect(instance[:other][:foo]).to be_a Symbol
+      end
+
       it 'coerces nested objects' do
         instance[:nested] = { foo: 123, bar: '456' }
         test_nested_object(instance[:nested])