require 'gir_ffi_test_helper' describe GirFFI::InfoExt::ICallbackInfo do let(:klass) { Class.new do include GirFFI::InfoExt::ICallbackInfo end } let(:callback_info) { klass.new } describe '#return_ffi_type' do it 'returns the callback ffi type of the return type' do allow(return_type_info = Object.new).to receive(:to_callback_ffi_type).and_return :some_type allow(callback_info).to receive(:return_type).and_return return_type_info callback_info.return_ffi_type.must_equal :some_type end end end