net: add test for protocol numbers lookup using internal information base

Update #5344

R=alex.brainman
CC=golang-dev
https://golang.org/cl/12966046

src/pkg/net/ipraw_test.go

@@ -29,6 +29,7 @@ var resolveIPAddrTests = []resolveIPAddrTest{
 	{"ip", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
 	{"ip6", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
 	{"ip6:ipv6-icmp", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
+	{"ip6:IPv6-ICMP", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
 
 	{"ip", "::1%en0", &IPAddr{IP: ParseIP("::1"), Zone: "en0"}, nil},
 	{"ip6", "::1%911", &IPAddr{IP: ParseIP("::1"), Zone: "911"}, nil},
@@ -55,7 +56,7 @@ func TestResolveIPAddr(t *testing.T) {
 	for _, tt := range resolveIPAddrTests {
 		addr, err := ResolveIPAddr(tt.net, tt.litAddr)
 		if err != tt.err {
-			condFatalf(t, "ResolveIPAddr(%v, %v) failed: %v", tt.net, tt.litAddr, err)
+			t.Fatalf("ResolveIPAddr(%v, %v) failed: %v", tt.net, tt.litAddr, err)
 		} else if !reflect.DeepEqual(addr, tt.addr) {
 			t.Fatalf("got %#v; expected %#v", addr, tt.addr)
 		}