added Host-related unit tests

Change-Id: Ia3c0610f5bdd91ddd554dd477af7ad3640a6cef3
diff --git a/core/api/src/test/java/org/onlab/onos/net/DefaultHostTest.java b/core/api/src/test/java/org/onlab/onos/net/DefaultHostTest.java
new file mode 100644
index 0000000..4f23231
--- /dev/null
+++ b/core/api/src/test/java/org/onlab/onos/net/DefaultHostTest.java
@@ -0,0 +1,36 @@
+package org.onlab.onos.net;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.google.common.testing.EqualsTester;
+
+public class DefaultHostTest extends  TestDeviceParams {
+
+    @Test
+    public void testEquality() {
+        Host h1 = new DefaultHost(PID, HID1, MAC1, VLAN1, LOC1, IPSET1);
+        Host h2 = new DefaultHost(PID, HID1, MAC1, VLAN1, LOC1, IPSET1);
+        Host h3 = new DefaultHost(PID, HID2, MAC2, VLAN2, LOC2, IPSET2);
+        Host h4 = new DefaultHost(PID, HID2, MAC2, VLAN2, LOC2, IPSET2);
+        Host h5 = new DefaultHost(PID, HID2, MAC2, VLAN1, LOC2, IPSET1);
+
+        new EqualsTester().addEqualityGroup(h1, h2)
+                .addEqualityGroup(h3, h4)
+                .addEqualityGroup(h5)
+                .testEquals();
+    }
+
+    @Test
+    public void basics() {
+        Host host = new DefaultHost(PID, HID1, MAC1, VLAN1, LOC1, IPSET1);
+        assertEquals("incorrect provider", PID, host.providerId());
+        assertEquals("incorrect id", HID1, host.id());
+        assertEquals("incorrect type", MAC1, host.mac());
+        assertEquals("incorrect VLAN", VLAN1, host.vlan());
+        assertEquals("incorrect location", LOC1, host.location());
+        assertEquals("incorrect IP's", IPSET1, host.ipAddresses());
+    }
+
+}