@Test
public void testNwSrc() {
Condition cond = new Condition();
pktCtx.inPortId_$eq(UUID.randomUUID());
Assert.assertTrue(cond.matches(pktCtx));
// Inverting nwSrc has no effect when it's wild-carded.
cond.nwSrcInv = true;
Assert.assertTrue(cond.matches(pktCtx));
cond.nwSrcInv = false;
// Set the nwSrcIp to something different than the packet's 0x0a001406.
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("10.0.20.3"), 0);
// Since nwSrcLength is still 0, the condition still matches the packet.
Assert.assertTrue(cond.matches(pktCtx));
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("10.0.20.3"), 32);
Assert.assertFalse(cond.matches(pktCtx));
// Now try shorter prefixes:
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("10.0.20.3"), 24);
Assert.assertTrue(cond.matches(pktCtx));
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("10.0.20.3"), 16);
Assert.assertTrue(cond.matches(pktCtx));
// Now try length 0 with an ip that differs in the left-most bit.
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("250.1.1.4"), 1);
Assert.assertFalse(cond.matches(pktCtx));
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("250.1.1.4"), 0);
Assert.assertTrue(cond.matches(pktCtx));
cond.nwSrcInv = true;
Assert.assertFalse(cond.matches(pktCtx));
// Now increase the maskLength. The packet doesn't match the
// condition's srcIp, but the nwSrcInv is true.
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("250.1.1.4"), 32);
Assert.assertTrue(cond.matches(pktCtx));
// Remove the invert, set the nwSrcIp to the packet's
cond.nwSrcInv = false;
Assert.assertFalse(cond.matches(pktCtx));
cond.nwSrcIp = new IPv4Subnet(IPv4Addr.fromString("10.0.20.6"), 32);
Assert.assertTrue(cond.matches(pktCtx));
cond.nwSrcInv = true;
Assert.assertFalse(cond.matches(pktCtx));
}
