net: protocol family adaptive address family selection
This CL will help to make an adaptive address family
selection possible when an any address family, vague
network string such as "ip", "tcp" or "udp" is passed
to Dial and Listen API.
Fixes #1769.
R=bradfitz, rsc
CC=golang-dev
https://golang.org/cl/4438066
diff --git a/src/pkg/net/ip_test.go b/src/pkg/net/ip_test.go
index 2008953..8a06421 100644
--- a/src/pkg/net/ip_test.go
+++ b/src/pkg/net/ip_test.go
@@ -143,3 +143,36 @@
}
}
}
+
+var ipaftests = []struct {
+ in IP
+ af4 bool
+ af6 bool
+}{
+ {IPv4bcast, true, false},
+ {IPv4allsys, true, false},
+ {IPv4allrouter, true, false},
+ {IPv4zero, true, false},
+ {IPv4(224, 0, 0, 1), true, false},
+ {IPv4(127, 0, 0, 1), true, false},
+ {IPv4(240, 0, 0, 1), true, false},
+ {IPv6unspecified, false, true},
+ {IPv6loopback, false, true},
+ {IPv6interfacelocalallnodes, false, true},
+ {IPv6linklocalallnodes, false, true},
+ {IPv6linklocalallrouters, false, true},
+ {ParseIP("ff05::a:b:c:d"), false, true},
+ {ParseIP("fe80::1:2:3:4"), false, true},
+ {ParseIP("2001:db8::123:12:1"), false, true},
+}
+
+func TestIPAddrFamily(t *testing.T) {
+ for _, tt := range ipaftests {
+ if af := tt.in.To4() != nil; af != tt.af4 {
+ t.Errorf("verifying IPv4 address family for %#q = %v, want %v", tt.in, af, tt.af4)
+ }
+ if af := len(tt.in) == IPv6len && tt.in.To4() == nil; af != tt.af6 {
+ t.Errorf("verifying IPv6 address family for %#q = %v, want %v", tt.in, af, tt.af6)
+ }
+ }
+}
