Function FuzzExtCommunityCondition

internal/pkg/table/community_match_fuzz_test.go:99–133

(f *testing.F)

}

func FuzzExtCommunityCondition(f *testing.F) {
	f.Add("rt:65000:100", uint16(65000), uint32(100), uint8(0))
	f.Add("rt:^65000:.*$", uint16(65000), uint32(200), uint8(0))
	f.Add("rt:^65000:.*$", uint16(65001), uint32(200), uint8(0))
	f.Add(`rt:^\d+:100$`, uint16(65001), uint32(100), uint8(0))
	f.Add(`rt:^\d+:(100|200)$`, uint16(65001), uint32(200), uint8(0))
	f.Add("rt:^65000:(100|200)$", uint16(65000), uint32(100), uint8(0))
	f.Add("rt:65000:100", uint16(65001), uint32(100), uint8(0))
	f.Add("rt:65000:100", uint16(65000), uint32(100), uint8(2))    // INVERT
	f.Add("rt:65000:100", uint16(65000), uint32(100), uint8(1))    // ALL
	f.Add("rt:^65000:.*$", uint16(65000), uint32(65536), uint8(0)) // LA > 65535

	f.Fuzz(func(t *testing.T, pattern string, as uint16, la uint32, opt uint8) {
		option := [...]MatchOption{MATCH_OPTION_ANY, MATCH_OPTION_ALL, MATCH_OPTION_INVERT}[opt%3]

		es, err := NewExtCommunitySet(oc.ExtCommunitySet{
			ExtCommunitySetName: "fuzz",
			ExtCommunityList:    []string{pattern},
		})
		if err != nil {
			return
		}

		ec := bgp.NewTwoOctetAsSpecificExtended(bgp.EC_SUBTYPE_ROUTE_TARGET, as, la, true)
		p := createPathWithExtCommunities([]bgp.ExtendedCommunityInterface{ec})

		fastResult := (&ExtCommunityCondition{set: es, option: option}).Evaluate(p, nil)
		slowResult := slowExtCommunityEvaluate(es, []bgp.ExtendedCommunityInterface{ec}, option)

		if fastResult != slowResult {
			t.Errorf("fast/slow mismatch: pattern=%q as=%d la=%d option=%v fast=%v slow=%v",
				pattern, as, la, option, fastResult, slowResult)
		}
	})
}