diff options
Diffstat (limited to 'libgo/go/net/dialgoogle_test.go')
-rw-r--r-- | libgo/go/net/dialgoogle_test.go | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/libgo/go/net/dialgoogle_test.go b/libgo/go/net/dialgoogle_test.go index 73a94f5bf1c..b4ebad0e0dc 100644 --- a/libgo/go/net/dialgoogle_test.go +++ b/libgo/go/net/dialgoogle_test.go @@ -16,6 +16,59 @@ import ( // If an IPv6 tunnel is running, we can try dialing a real IPv6 address. var testIPv6 = flag.Bool("ipv6", false, "assume ipv6 tunnel is present") +func TestResolveGoogle(t *testing.T) { + if testing.Short() || !*testExternal { + t.Skip("skipping test to avoid external network") + } + + for _, network := range []string{"tcp", "tcp4", "tcp6"} { + addr, err := ResolveTCPAddr(network, "www.google.com:http") + if err != nil { + if (network == "tcp" || network == "tcp4") && !supportsIPv4 { + t.Logf("ipv4 is not supported: %v", err) + } else if network == "tcp6" && !supportsIPv6 { + t.Logf("ipv6 is not supported: %v", err) + } else { + t.Errorf("ResolveTCPAddr failed: %v", err) + } + continue + } + if (network == "tcp" || network == "tcp4") && addr.IP.To4() == nil { + t.Errorf("got %v; expected an IPv4 address on %v", addr, network) + } else if network == "tcp6" && (addr.IP.To16() == nil || addr.IP.To4() != nil) { + t.Errorf("got %v; expected an IPv6 address on %v", addr, network) + } + } +} + +func TestDialGoogle(t *testing.T) { + if testing.Short() || !*testExternal { + t.Skip("skipping test to avoid external network") + } + + d := &Dialer{DualStack: true} + for _, network := range []string{"tcp", "tcp4", "tcp6"} { + if network == "tcp" && !supportsIPv4 && !supportsIPv6 { + t.Logf("skipping test; both ipv4 and ipv6 are not supported") + continue + } else if network == "tcp4" && !supportsIPv4 { + t.Logf("skipping test; ipv4 is not supported") + continue + } else if network == "tcp6" && !supportsIPv6 { + t.Logf("skipping test; ipv6 is not supported") + continue + } else if network == "tcp6" && !*testIPv6 { + t.Logf("test disabled; use -ipv6 to enable") + continue + } + if c, err := d.Dial(network, "www.google.com:http"); err != nil { + t.Errorf("Dial failed: %v", err) + } else { + c.Close() + } + } +} + // fd is already connected to the destination, port 80. // Run an HTTP request to fetch the appropriate page. func fetchGoogle(t *testing.T, fd Conn, network, addr string) { @@ -54,6 +107,30 @@ var googleaddrsipv4 = []string{ "[0:0:0:0:0:ffff::%d.%d.%d.%d]:80", } +func TestDNSThreadLimit(t *testing.T) { + if testing.Short() || !*testExternal { + t.Skip("skipping test to avoid external network") + } + + const N = 10000 + c := make(chan int, N) + for i := 0; i < N; i++ { + go func(i int) { + LookupIP(fmt.Sprintf("%d.net-test.golang.org", i)) + c <- 1 + }(i) + } + // Don't bother waiting for the stragglers; stop at 0.9 N. + for i := 0; i < N*9/10; i++ { + if i%100 == 0 { + //println("TestDNSThreadLimit:", i) + } + <-c + } + + // If we're still here, it worked. +} + func TestDialGoogleIPv4(t *testing.T) { if testing.Short() || !*testExternal { t.Skip("skipping test to avoid external network") |