diff options
Diffstat (limited to 'src/pkg/net/dialgoogle_test.go')
| -rw-r--r-- | src/pkg/net/dialgoogle_test.go | 102 |
1 files changed, 71 insertions, 31 deletions
diff --git a/src/pkg/net/dialgoogle_test.go b/src/pkg/net/dialgoogle_test.go index c25089ba4..9ad1770da 100644 --- a/src/pkg/net/dialgoogle_test.go +++ b/src/pkg/net/dialgoogle_test.go @@ -41,20 +41,6 @@ func doDial(t *testing.T, network, addr string) { fd.Close() } -var googleaddrs = []string{ - "%d.%d.%d.%d:80", - "www.google.com:80", - "%d.%d.%d.%d:http", - "www.google.com:http", - "%03d.%03d.%03d.%03d:0080", - "[::ffff:%d.%d.%d.%d]:80", - "[::ffff:%02x%02x:%02x%02x]:80", - "[0:0:0:0:0000:ffff:%d.%d.%d.%d]:80", - "[0:0:0:0:000000:ffff:%d.%d.%d.%d]:80", - "[0:0:0:0:0:ffff::%d.%d.%d.%d]:80", - "[2001:4860:0:2001::68]:80", // ipv6.google.com; removed if ipv6 flag not set -} - func TestLookupCNAME(t *testing.T) { if testing.Short() { // Don't use external network. @@ -67,16 +53,25 @@ func TestLookupCNAME(t *testing.T) { } } -func TestDialGoogle(t *testing.T) { +var googleaddrsipv4 = []string{ + "%d.%d.%d.%d:80", + "www.google.com:80", + "%d.%d.%d.%d:http", + "www.google.com:http", + "%03d.%03d.%03d.%03d:0080", + "[::ffff:%d.%d.%d.%d]:80", + "[::ffff:%02x%02x:%02x%02x]:80", + "[0:0:0:0:0000:ffff:%d.%d.%d.%d]:80", + "[0:0:0:0:000000:ffff:%d.%d.%d.%d]:80", + "[0:0:0:0:0:ffff::%d.%d.%d.%d]:80", +} + +func TestDialGoogleIPv4(t *testing.T) { if testing.Short() { // Don't use external network. t.Logf("skipping external network test during -short") return } - // If no ipv6 tunnel, don't try the last address. - if !*ipv6 { - googleaddrs[len(googleaddrs)-1] = "" - } // Insert an actual IPv4 address for google.com // into the table. @@ -95,14 +90,14 @@ func TestDialGoogle(t *testing.T) { t.Fatalf("no IPv4 addresses for www.google.com") } - for i, s := range googleaddrs { + for i, s := range googleaddrsipv4 { if strings.Contains(s, "%") { - googleaddrs[i] = fmt.Sprintf(s, ip[0], ip[1], ip[2], ip[3]) + googleaddrsipv4[i] = fmt.Sprintf(s, ip[0], ip[1], ip[2], ip[3]) } } - for i := 0; i < len(googleaddrs); i++ { - addr := googleaddrs[i] + for i := 0; i < len(googleaddrsipv4); i++ { + addr := googleaddrsipv4[i] if addr == "" { continue } @@ -110,20 +105,65 @@ func TestDialGoogle(t *testing.T) { doDial(t, "tcp", addr) if addr[0] != '[' { doDial(t, "tcp4", addr) - - if !preferIPv4 { - // make sure preferIPv4 flag works. - preferIPv4 = true + if supportsIPv6 { + // make sure syscall.SocketDisableIPv6 flag works. syscall.SocketDisableIPv6 = true + doDial(t, "tcp", addr) doDial(t, "tcp4", addr) syscall.SocketDisableIPv6 = false - preferIPv4 = false } } + } +} + +var googleaddrsipv6 = []string{ + "[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]:80", + "ipv6.google.com:80", + "[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]:http", + "ipv6.google.com:http", +} + +func TestDialGoogleIPv6(t *testing.T) { + if testing.Short() { + // Don't use external network. + t.Logf("skipping external network test during -short") + return + } + // Only run tcp6 if the kernel will take it. + if !*ipv6 || !supportsIPv6 { + return + } + + // Insert an actual IPv6 address for ipv6.google.com + // into the table. + addrs, err := LookupIP("ipv6.google.com") + if err != nil { + t.Fatalf("lookup ipv6.google.com: %v", err) + } + var ip IP + for _, addr := range addrs { + if x := addr.To16(); x != nil { + ip = x + break + } + } + if ip == nil { + t.Fatalf("no IPv6 addresses for ipv6.google.com") + } + + for i, s := range googleaddrsipv6 { + if strings.Contains(s, "%") { + googleaddrsipv6[i] = fmt.Sprintf(s, ip[0], ip[1], ip[2], ip[3], ip[4], ip[5], ip[6], ip[7], ip[8], ip[9], ip[10], ip[11], ip[12], ip[13], ip[14], ip[15]) + } + } - // Only run tcp6 if the kernel will take it. - if kernelSupportsIPv6() { - doDial(t, "tcp6", addr) + for i := 0; i < len(googleaddrsipv6); i++ { + addr := googleaddrsipv6[i] + if addr == "" { + continue } + t.Logf("-- %s --", addr) + doDial(t, "tcp", addr) + doDial(t, "tcp6", addr) } } |