diff --git a/apps/routing/common/src/test/java/org/onosproject/routing/bgp/PathSegmentTest.java b/apps/routing/common/src/test/java/org/onosproject/routing/bgp/PathSegmentTest.java
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+++ b/apps/routing/common/src/test/java/org/onosproject/routing/bgp/PathSegmentTest.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2017-present 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.routing.bgp;
+
+import org.hamcrest.Matchers;
+import org.junit.Test;
+
+import java.util.ArrayList;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Unit tests for the BgpRouteEntry.PathSegment class.
+ */
+public class PathSegmentTest {
+    /**
+     * Generates a Path Segment.
+     *
+     * @return a generated PathSegment
+     */
+    private BgpRouteEntry.PathSegment generatePathSegment() {
+        byte pathSegmentType = (byte) BgpConstants.Update.AsPath.AS_SEQUENCE;
+        ArrayList<Long> segmentAsNumbers = new ArrayList<>();
+        segmentAsNumbers.add(1L);
+        segmentAsNumbers.add(2L);
+        segmentAsNumbers.add(3L);
+        BgpRouteEntry.PathSegment pathSegment =
+            new BgpRouteEntry.PathSegment(pathSegmentType, segmentAsNumbers);
+
+        return pathSegment;
+    }
+
+    /**
+     * Tests valid class constructor.
+     */
+    @Test
+    public void testConstructor() {
+        BgpRouteEntry.PathSegment pathSegment = generatePathSegment();
+
+        String expectedString =
+            "PathSegment{type=AS_SEQUENCE, segmentAsNumbers=[1, 2, 3]}";
+        assertThat(pathSegment.toString(), is(expectedString));
+    }
+
+    /**
+     * Tests invalid class constructor for null Segment AS Numbers.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testInvalidConstructorNullSegmentAsNumbers() {
+        byte pathSegmentType = (byte) BgpConstants.Update.AsPath.AS_SEQUENCE;
+        ArrayList<Long> segmentAsNumbers = null;
+        new BgpRouteEntry.PathSegment(pathSegmentType, segmentAsNumbers);
+    }
+
+    /**
+     * Tests getting the fields of a Path Segment.
+     */
+    @Test
+    public void testGetFields() {
+        // Create the fields to compare against
+        byte pathSegmentType = (byte) BgpConstants.Update.AsPath.AS_SEQUENCE;
+        ArrayList<Long> segmentAsNumbers = new ArrayList<>();
+        segmentAsNumbers.add(1L);
+        segmentAsNumbers.add(2L);
+        segmentAsNumbers.add(3L);
+
+        // Generate the entry to test
+        BgpRouteEntry.PathSegment pathSegment = generatePathSegment();
+
+        assertThat(pathSegment.getType(), is(pathSegmentType));
+        assertThat(pathSegment.getSegmentAsNumbers(), is(segmentAsNumbers));
+    }
+
+    /**
+     * Tests equality of {@link BgpRouteEntry.PathSegment}.
+     */
+    @Test
+    public void testEquality() {
+        BgpRouteEntry.PathSegment pathSegment1 = generatePathSegment();
+        BgpRouteEntry.PathSegment pathSegment2 = generatePathSegment();
+
+        assertThat(pathSegment1, is(pathSegment2));
+    }
+
+    /**
+     * Tests non-equality of {@link BgpRouteEntry.PathSegment}.
+     */
+    @Test
+    public void testNonEquality() {
+        BgpRouteEntry.PathSegment pathSegment1 = generatePathSegment();
+
+        // Setup Path Segment 2
+        byte pathSegmentType = (byte) BgpConstants.Update.AsPath.AS_SEQUENCE;
+        ArrayList<Long> segmentAsNumbers = new ArrayList<>();
+        segmentAsNumbers.add(1L);
+        segmentAsNumbers.add(22L);                        // Different
+        segmentAsNumbers.add(3L);
+        //
+        BgpRouteEntry.PathSegment pathSegment2 =
+            new BgpRouteEntry.PathSegment(pathSegmentType, segmentAsNumbers);
+
+        assertThat(pathSegment1, Matchers.is(Matchers.not(pathSegment2)));
+    }
+
+    /**
+     * Tests object string representation.
+     */
+    @Test
+    public void testToString() {
+        BgpRouteEntry.PathSegment pathSegment = generatePathSegment();
+
+        String expectedString =
+            "PathSegment{type=AS_SEQUENCE, segmentAsNumbers=[1, 2, 3]}";
+        assertThat(pathSegment.toString(), is(expectedString));
+    }
+}