test/lib/vedeu/coercers/lines_test.rb in vedeu-0.8.15 vs test/lib/vedeu/coercers/lines_test.rb in vedeu-0.8.16

@@ -29,9 +29,13 @@
           let(:_value) { klass.new }
 
           it { subject.must_be_instance_of(klass) }
           it { subject.must_equal(_value) }
         end
+
+        context 'when the value is not already the target class' do
+          it { proc { subject }.must_raise(Vedeu::Error::Fatal) }
+        end
       end
 
     end # Lines
 
   end # Coercers