wgengine/filter: add test cases for len(dsts) > 1.
While the code was correct, I broke it during a refactoring and
tests didn't detect it. This fixes that glitch.
@@ -54,6 +54,11 @@ type InOut struct {
{Accept, parsed(packet.TCP, "8.2.2.2", "1.2.3.4", 0, 22)},
{Drop, parsed(packet.TCP, "8.2.2.2", "1.2.3.4", 0, 23)},
{Drop, parsed(packet.TCP, "8.3.3.3", "1.2.3.4", 0, 22)},
+ // allow 8.1.1.1 => 5.6.7.8:23-24
+ {Accept, parsed(packet.TCP, "8.1.1.1", "5.6.7.8", 0, 23)},
+ {Accept, parsed(packet.TCP, "8.1.1.1", "5.6.7.8", 0, 24)},
+ {Drop, parsed(packet.TCP, "8.1.1.3", "5.6.7.8", 0, 24)},
+ {Drop, parsed(packet.TCP, "8.1.1.1", "5.6.7.8", 0, 22)},
// allow * => *:443
{Accept, parsed(packet.TCP, "17.34.51.68", "8.1.34.51", 0, 443)},
{Drop, parsed(packet.TCP, "17.34.51.68", "8.1.34.51", 0, 444)},
