--- /dev/null
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.yangtools.yang.model.ri.type;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+
+import com.google.common.collect.ImmutableList;
+import java.util.Collection;
+import java.util.Optional;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.model.api.Status;
+import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition.EnumPair;
+
+public class EnumPairImplTest {
+
+ @Test
+ public void testEnumPairImpl() {
+ final UnknownSchemaNode mockedUnknownSchemaNodeA = mock(UnknownSchemaNode.class);
+ final UnknownSchemaNode mockedUnknownSchemaNodeB = mock(UnknownSchemaNode.class);
+
+ final Collection<UnknownSchemaNode> unknownSchemaNodes =
+ ImmutableList.of(mockedUnknownSchemaNodeA, mockedUnknownSchemaNodeB);
+
+ final EnumPair enumPair = EnumPairBuilder.create("enum-zero", 0).setStatus(Status.DEPRECATED)
+ .setDescription("enum description").setReference("enum reference")
+ .setUnknownSchemaNodes(unknownSchemaNodes).build();
+
+ assertNotNull(enumPair);
+ assertEquals(unknownSchemaNodes, enumPair.getUnknownSchemaNodes());
+ assertEquals(Optional.of("enum description"), enumPair.getDescription());
+ assertEquals(Optional.of("enum reference"), enumPair.getReference());
+ assertEquals(Status.DEPRECATED, enumPair.getStatus());
+
+ final EnumPair enumPair2 = EnumPairBuilder.create("enum-zero", 0).setStatus(Status.DEPRECATED)
+ .setDescription("enum description").setReference("enum reference")
+ .setUnknownSchemaNodes(unknownSchemaNodes).build();
+
+ assertEquals(enumPair.hashCode(), enumPair2.hashCode());
+ assertTrue(enumPair.equals(enumPair2));
+
+ final EnumPair enumPair3 = EnumPairBuilder.create("enum-one", 1).setStatus(Status.DEPRECATED)
+ .setDescription("enum description").setReference("enum reference")
+ .setUnknownSchemaNodes(unknownSchemaNodes).build();
+
+ assertFalse(enumPair2.equals(enumPair3));
+
+ assertFalse(enumPair.equals("unequal"));
+ }
+}