test case for IPv6 any ip

common/net/address.go

@@ -18,6 +18,9 @@ var (
 
 	// LocalHostIPv6 is a constant value for localhost IP in IPv6.
 	LocalHostIPv6 = IPAddress([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1})
+
+	// AnyIPv6 is a constant value for any IP in IPv6.
+	AnyIPv6 = IPAddress([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
 )
 
 // AddressFamily is the type of address.

common/net/address_test.go

@@ -84,6 +84,14 @@ func TestAddressProperty(t *testing.T) {
 				String: "[2001:4860:0:2001::68]",
 			},
 		},
+		{
+			Input: ParseAddress("::0"),
+			Output: addrProprty{
+				IP:     AnyIPv6.IP(),
+				Family: AddressFamilyIPv6,
+				String: "[::]",
+			},
+		},
 		{
 			Input: ParseAddress("[::ffff:123.151.71.143]"),
 			Output: addrProprty{