X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fsal%2Fapi%2Fsrc%2Ftest%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Futils%2FNetUtilsTest.java;h=e5e0a0941b7db0ccb6b647b313096f64def5fa90;hp=a2b12782ac2986f24cfd6fbe8f295f5ef105712d;hb=c1d6c147a5fdd6b18cf9f00e1bb7855020f2361f;hpb=7312d7684413675e8dda5e3616deaa727e6d18ba;ds=sidebyside

diff --git a/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/utils/NetUtilsTest.java b/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/utils/NetUtilsTest.java
index a2b12782ac..e5e0a0941b 100644
--- a/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/utils/NetUtilsTest.java
+++ b/opendaylight/sal/api/src/test/java/org/opendaylight/controller/sal/utils/NetUtilsTest.java
@@ -468,4 +468,35 @@ public class NetUtilsTest {
         Assert.assertEquals(32768, NetUtils.getUnsignedShort((short) 0x8000));
         Assert.assertEquals(65535, NetUtils.getUnsignedShort((short) 0xffff));
     }
+
+    @Test
+    public void testMulticastMACAddr() {
+        byte[] empty = new byte[0];
+        Assert.assertFalse(NetUtils.isUnicastMACAddr(empty));
+        Assert.assertFalse(NetUtils.isMulticastMACAddr(empty));
+
+        byte[] bcast = {
+            (byte)0xff, (byte)0xff, (byte)0xff,
+            (byte)0xff, (byte)0xff, (byte)0xff,
+        };
+        Assert.assertFalse(NetUtils.isUnicastMACAddr(bcast));
+        Assert.assertFalse(NetUtils.isMulticastMACAddr(bcast));
+
+        byte[] firstOctet = {
+            (byte)0x00, (byte)0x20, (byte)0x80, (byte)0xfe,
+        };
+        for (int len = 1; len <= 10; len++) {
+            byte[] ba = new byte[len];
+            boolean valid = (len == 6);
+            for (byte first: firstOctet) {
+                ba[0] = first;
+                Assert.assertFalse(NetUtils.isMulticastMACAddr(ba));
+                Assert.assertEquals(valid, NetUtils.isUnicastMACAddr(ba));
+
+                ba[0] |= (byte)0x01;
+                Assert.assertEquals(valid, NetUtils.isMulticastMACAddr(ba));
+                Assert.assertFalse(NetUtils.isUnicastMACAddr(ba));
+            }
+        }
+    }
 }