Renamed routing packages to foo & foo.impl pattern.

Plus added some package-info.java files.

Change-Id: I0b68a7f4cea7a5f089b37b1a1c016d1c3b7a8702
diff --git a/apps/routing-api/src/test/java/org/onosproject/routing/RouteEntryTest.java b/apps/routing-api/src/test/java/org/onosproject/routing/RouteEntryTest.java
new file mode 100644
index 0000000..7ed10d2
--- /dev/null
+++ b/apps/routing-api/src/test/java/org/onosproject/routing/RouteEntryTest.java
@@ -0,0 +1,159 @@
+/*
+ * Copyright 2014 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;
+
+import org.hamcrest.Matchers;
+import org.junit.Test;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.Ip4Prefix;
+
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.not;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Unit tests for the RouteEntry class.
+ */
+public class RouteEntryTest {
+    /**
+     * Tests valid class constructor.
+     */
+    @Test
+    public void testConstructor() {
+        Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
+
+        RouteEntry routeEntry = new RouteEntry(prefix, nextHop);
+        assertThat(routeEntry.toString(),
+                   is("RouteEntry{prefix=1.2.3.0/24, nextHop=5.6.7.8}"));
+    }
+
+    /**
+     * Tests invalid class constructor for null IPv4 prefix.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testInvalidConstructorNullPrefix() {
+        Ip4Prefix prefix = null;
+        Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
+
+        new RouteEntry(prefix, nextHop);
+    }
+
+    /**
+     * Tests invalid class constructor for null IPv4 next-hop.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testInvalidConstructorNullNextHop() {
+        Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop = null;
+
+        new RouteEntry(prefix, nextHop);
+    }
+
+    /**
+     * Tests getting the fields of a route entry.
+     */
+    @Test
+    public void testGetFields() {
+        Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
+
+        RouteEntry routeEntry = new RouteEntry(prefix, nextHop);
+        assertThat(routeEntry.prefix(), is(prefix));
+        assertThat(routeEntry.nextHop(), is(nextHop));
+    }
+
+    /**
+     * Tests creating a binary string from IPv4 prefix.
+     */
+    @Test
+    public void testCreateBinaryString() {
+        Ip4Prefix prefix;
+
+        prefix = Ip4Prefix.valueOf("0.0.0.0/0");
+        assertThat(RouteEntry.createBinaryString(prefix), is(""));
+
+        prefix = Ip4Prefix.valueOf("192.168.166.0/22");
+        assertThat(RouteEntry.createBinaryString(prefix),
+                   is("1100000010101000101001"));
+
+        prefix = Ip4Prefix.valueOf("192.168.166.0/23");
+        assertThat(RouteEntry.createBinaryString(prefix),
+                   is("11000000101010001010011"));
+
+        prefix = Ip4Prefix.valueOf("192.168.166.0/24");
+        assertThat(RouteEntry.createBinaryString(prefix),
+                   is("110000001010100010100110"));
+
+        prefix = Ip4Prefix.valueOf("130.162.10.1/25");
+        assertThat(RouteEntry.createBinaryString(prefix),
+                   is("1000001010100010000010100"));
+
+        prefix = Ip4Prefix.valueOf("255.255.255.255/32");
+        assertThat(RouteEntry.createBinaryString(prefix),
+                   is("11111111111111111111111111111111"));
+    }
+
+    /**
+     * Tests equality of {@link RouteEntry}.
+     */
+    @Test
+    public void testEquality() {
+        Ip4Prefix prefix1 = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop1 = Ip4Address.valueOf("5.6.7.8");
+        RouteEntry routeEntry1 = new RouteEntry(prefix1, nextHop1);
+
+        Ip4Prefix prefix2 = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop2 = Ip4Address.valueOf("5.6.7.8");
+        RouteEntry routeEntry2 = new RouteEntry(prefix2, nextHop2);
+
+        assertThat(routeEntry1, is(routeEntry2));
+    }
+
+    /**
+     * Tests non-equality of {@link RouteEntry}.
+     */
+    @Test
+    public void testNonEquality() {
+        Ip4Prefix prefix1 = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop1 = Ip4Address.valueOf("5.6.7.8");
+        RouteEntry routeEntry1 = new RouteEntry(prefix1, nextHop1);
+
+        Ip4Prefix prefix2 = Ip4Prefix.valueOf("1.2.3.0/25");      // Different
+        Ip4Address nextHop2 = Ip4Address.valueOf("5.6.7.8");
+        RouteEntry routeEntry2 = new RouteEntry(prefix2, nextHop2);
+
+        Ip4Prefix prefix3 = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop3 = Ip4Address.valueOf("5.6.7.9");      // Different
+        RouteEntry routeEntry3 = new RouteEntry(prefix3, nextHop3);
+
+        assertThat(routeEntry1, Matchers.is(not(routeEntry2)));
+        assertThat(routeEntry1, Matchers.is(not(routeEntry3)));
+    }
+
+    /**
+     * Tests object string representation.
+     */
+    @Test
+    public void testToString() {
+        Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
+        Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
+        RouteEntry routeEntry = new RouteEntry(prefix, nextHop);
+
+        assertThat(routeEntry.toString(),
+                   is("RouteEntry{prefix=1.2.3.0/24, nextHop=5.6.7.8}"));
+    }
+}