test/twin/twin_test.rb in disposable-0.4.5 vs test/twin/twin_test.rb in disposable-0.4.6

@@ -150,5 +150,15 @@
     twin = Twin.new(Song.new("bla"))
     twin.format.must_equal "bla"
     twin.format = "blubb"
   end
 end
+
+class InvalidPropertyNameTest < Minitest::Spec
+  it 'raises InvalidPropertyNameError' do
+  assert_raises(Disposable::Twin::InvalidPropertyNameError) {
+      class Twin < Disposable::Twin
+        property :class
+      end
+    }
+  end
+end