[onos-2613] -  Test for BGP prefix route tag attribute.

Change-Id: Ie9b73092210de7cdbf68cde2f6f21c3cc485674e
diff --git a/bgp/bgpio/src/test/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTagTest.java b/bgp/bgpio/src/test/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTagTest.java
new file mode 100644
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+++ b/bgp/bgpio/src/test/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTagTest.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.bgpio.types.attr;
+
+import java.util.ArrayList;
+
+import org.junit.Test;
+
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Test for BGP prefix route tag attribute.
+ */
+public class BgpPrefixAttrRouteTagTest {
+    ArrayList<Integer> maxUnResBandwidth = new ArrayList<Integer>();
+    ArrayList<Integer> maxUnResBandwidth1 = new ArrayList<Integer>();
+
+    private final BgpPrefixAttrRouteTag isisData = BgpPrefixAttrRouteTag
+            .of(maxUnResBandwidth);
+    private final BgpPrefixAttrRouteTag sameAsIsisData = BgpPrefixAttrRouteTag
+            .of(maxUnResBandwidth);
+    private final BgpPrefixAttrRouteTag isisDiff = BgpPrefixAttrRouteTag
+            .of(maxUnResBandwidth1);
+
+    @Test
+    public void basics() {
+
+        maxUnResBandwidth.add(new Integer(1));
+        maxUnResBandwidth.add(new Integer(2));
+        maxUnResBandwidth.add(new Integer(3));
+        maxUnResBandwidth.add(new Integer(4));
+
+        maxUnResBandwidth1.add(new Integer(1));
+        maxUnResBandwidth1.add(new Integer(2));
+        maxUnResBandwidth1.add(new Integer(3));
+        maxUnResBandwidth1.add(new Integer(1));
+
+        new EqualsTester().addEqualityGroup(isisData, sameAsIsisData)
+                .addEqualityGroup(isisDiff).testEquals();
+    }
+}
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