--- /dev/null
+/**
+ * ============LICENSE_START==========================================
+ * org.onap.aai
+ * ===================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017 Amdocs
+ * ===================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END============================================
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.aai.champcore.core;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.onap.aai.champcore.model.ChampElement;
+import org.onap.aai.champcore.model.ChampObject;
+import org.onap.aai.champcore.model.ChampRelationship;
+
+public class ChampElementTest {
+
+ @Test
+ public void testChampElement() {
+ final ChampElement fooElement = new ChampObject.Builder("foo").build();
+
+ assertTrue(fooElement.isObject());
+ assertTrue(!fooElement.isRelationship());
+ assertTrue(fooElement.asObject() instanceof ChampObject);
+
+ try {
+ fooElement.asRelationship();
+ throw new AssertionError("Failed to throw exception when calling asRelationship() on a ChampObject");
+ } catch (UnsupportedOperationException e) {
+ //Expected
+ }
+
+ final ChampElement barElement = new ChampObject.Builder("bar").build();
+ final ChampElement usesElement = new ChampRelationship.Builder(fooElement.asObject(), barElement.asObject(), "uses").build();
+
+ assertTrue(usesElement.isRelationship());
+ assertTrue(!usesElement.isObject());
+ assertTrue(usesElement.asRelationship() instanceof ChampRelationship);
+
+ try {
+ usesElement.asObject();
+ throw new AssertionError("Failed to throw exception when calling asObject() on a ChampRelationship");
+ } catch (UnsupportedOperationException e) {
+ //Expected
+ }
+ }
+}