Fix IP/MASK intersection in Match
[controller.git] / opendaylight / sal / api / src / test / java / org / opendaylight / controller / sal / match / MatchTest.java
index 5dcb898dfbb9db5e4420e0cafa06b8977979d8af..e3333cf78c9e4123e2a7876bf83df5837d15e061 100644 (file)
@@ -532,6 +532,8 @@ public class MatchTest {
         InetAddress ipm2 = InetAddress.getByName("255.255.255.0");
         InetAddress ip3 = InetAddress.getByName("1.3.0.0");
         InetAddress ipm3 = InetAddress.getByName("255.255.0.0");
         InetAddress ipm2 = InetAddress.getByName("255.255.255.0");
         InetAddress ip3 = InetAddress.getByName("1.3.0.0");
         InetAddress ipm3 = InetAddress.getByName("255.255.0.0");
+        InetAddress ip4 = InetAddress.getByName("1.3.4.4");
+        InetAddress ipm4 = InetAddress.getByName("255.255.255.0");
 
         Match m1 = new Match();
         m1.setField(MatchType.DL_TYPE, ethType);
 
         Match m1 = new Match();
         m1.setField(MatchType.DL_TYPE, ethType);
@@ -562,17 +564,25 @@ public class MatchTest {
 
         Match i = m1.getIntersection(m2);
         Assert.assertTrue(((Short)i.getField(MatchType.DL_TYPE).getValue()).equals(ethType));
 
         Match i = m1.getIntersection(m2);
         Assert.assertTrue(((Short)i.getField(MatchType.DL_TYPE).getValue()).equals(ethType));
-        Assert.assertTrue(((InetAddress)i.getField(MatchType.NW_SRC).getValue()).equals(ip2));
-        Assert.assertTrue(((InetAddress)i.getField(MatchType.NW_SRC).getMask()).equals(ipm2));
+        // Verify intersection of IP addresses is correct
+        Assert.assertTrue(((InetAddress)i.getField(MatchType.NW_SRC).getValue()).equals(ip1));
+        Assert.assertNull(i.getField(MatchType.NW_SRC).getMask());
 
 
+        // Empty set
         i = m2.getIntersection(m3);
         i = m2.getIntersection(m3);
-        Assert.assertTrue(i.getMatches() == 0);
+        Assert.assertNull(i);
 
         Match m4 = new Match();
         m4.setField(MatchType.DL_TYPE, ethType);
         m4.setField(MatchType.NW_PROTO, IPProtocols.TCP.byteValue());
 
         Match m4 = new Match();
         m4.setField(MatchType.DL_TYPE, ethType);
         m4.setField(MatchType.NW_PROTO, IPProtocols.TCP.byteValue());
+        m3.setField(MatchType.NW_SRC, ip4, ipm4);
         Assert.assertTrue(m4.intersetcs(m3));
 
         Assert.assertTrue(m4.intersetcs(m3));
 
+        // Verify intersection of IP and IP mask addresses is correct
+        Match ii = m3.getIntersection(m4);
+        Assert.assertTrue(((InetAddress)ii.getField(MatchType.NW_SRC).getValue()).equals(ip4));
+        Assert.assertTrue(((InetAddress)ii.getField(MatchType.NW_SRC).getMask()).equals(ipm4));
+
         Match m5 = new Match();
         m5.setField(MatchType.DL_TYPE, ethType);
         m3.setField(MatchType.NW_SRC, ip3, ipm3);
         Match m5 = new Match();
         m5.setField(MatchType.DL_TYPE, ethType);
         m3.setField(MatchType.NW_SRC, ip3, ipm3);
@@ -608,9 +618,12 @@ public class MatchTest {
         Assert.assertTrue(m6.intersetcs(m6));
         Assert.assertTrue(m6.getIntersection(m6).equals(m6));
 
         Assert.assertTrue(m6.intersetcs(m6));
         Assert.assertTrue(m6.getIntersection(m6).equals(m6));
 
-        // Empty match, represents the empty set
-        Match o = new Match();
-        Assert.assertTrue(m6.getIntersection(o).equals(o));
-        Assert.assertTrue(o.getIntersection(m6).equals(o));
+        // Empty match, represents the universal set (all packets)
+        Match u = new Match();
+        Assert.assertTrue(m6.getIntersection(u).equals(m6));
+        Assert.assertTrue(u.getIntersection(m6).equals(m6));
+
+        // No intersection with null match, empty set
+        Assert.assertNull(m6.getIntersection(null));
     }
 }
     }
 }