[onos-2613] - Unit testing of BgpLinkAttrIgpMetric

Change-Id: Ia06e9c89718998cc474ee4c2e36cfa14331a03db

+/*
+ * 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.BgpLinkAttrIgpMetric;
+
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Test for BGP link IGP metric attribute.
+ */
+public class BgpLinkAttrIgpMetricTest {
+    private final int val = 0x010203;
+    private final int valLen = 3;
+    private final int val1 = 0x01020304;
+    private final int val1Len = 4;
+
+    private final BgpLinkAttrIgpMetric data = BgpLinkAttrIgpMetric.of(val,
+                                                                      valLen);
+    private final BgpLinkAttrIgpMetric sameAsData = BgpLinkAttrIgpMetric
+            .of(val, valLen);
+    private final BgpLinkAttrIgpMetric diffData = BgpLinkAttrIgpMetric
+            .of(val1, val1Len);
+
+    @Test
+    public void basics() {
+        new EqualsTester().addEqualityGroup(data, sameAsData)
+        .addEqualityGroup(diffData).testEquals();
+    }
+}
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