[onos-2613] - Unit testing of BgpPrefixAttrMetricTest

Change-Id: I24b47d3f84168756a03241491fc83e7100e96a00
diff --git a/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpPrefixAttrMetricTest.java b/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpPrefixAttrMetricTest.java
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+++ b/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpPrefixAttrMetricTest.java
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+/*
+ * 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.bgp;
+
+import org.junit.Test;
+import org.onosproject.bgpio.types.attr.BgpPrefixAttrMetric;
+
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Test for BGP prefix metric attribute.
+ */
+public class BgpPrefixAttrMetricTest {
+    private final int val = 1111;
+    private final int val1 = 2222;
+
+    private final BgpPrefixAttrMetric data = BgpPrefixAttrMetric.of(val);
+    private final BgpPrefixAttrMetric sameAsData = BgpPrefixAttrMetric.of(val);
+    private final BgpPrefixAttrMetric diffData = BgpPrefixAttrMetric.of(val1);
+
+    @Test
+    public void basics() {
+
+        new EqualsTester().addEqualityGroup(data, sameAsData)
+        .addEqualityGroup(diffData).testEquals();
+    }
+}
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