import org.javers.core.Javers;
import org.javers.core.JaversBuilder;
import org.javers.core.diff.Diff;
import org.junit.Test;

public class JaversManagedTypeIssueTest {
	private static final Javers javers = JaversBuilder.javers().build();

	interface MyEnumInterface {
	}

	enum MyFirstEnum implements MyEnumInterface {
		FIRST, FIRST_THINGS_FIRST
	}

	enum MySecondEnum implements MyEnumInterface {
		SECOND, ON_THE_SECOND_HAND
	}

	static class MyObject {
		MyEnumInterface objectEnum;

		public MyObject(final MyEnumInterface objectEnum) {
			this.objectEnum = objectEnum;
		}
	}

	@Test()
	public void testIssue() {
		final MyObject myObjectWithFirst = new MyObject(MyFirstEnum.FIRST);
		final MyObject myObjectWithSecond = new MyObject(MySecondEnum.ON_THE_SECOND_HAND);

		final Diff diff = javers.compare(myObjectWithFirst, myObjectWithSecond); // This triggers the exception

		assert diff.hasChanges();
	}
}