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authorRob Pike <r@golang.org>2009-06-09 09:53:44 -0700
committerRob Pike <r@golang.org>2009-06-09 09:53:44 -0700
commit7249ea4df2b4f12a4e7ed446f270cea87e4ffd34 (patch)
tree7032a11d0cac2ae4d3e90f7a189b575b5a50f848 /src/pkg/net/dialgoogle_test.go
parentacf6ef7a82b3fe61516a1bac4563706552bdf078 (diff)
downloadgolang-7249ea4df2b4f12a4e7ed446f270cea87e4ffd34.tar.gz
mv src/lib to src/pkg
tests: all.bash passes, gobuild still works, godoc still works. R=rsc OCL=30096 CL=30102
Diffstat (limited to 'src/pkg/net/dialgoogle_test.go')
-rw-r--r--src/pkg/net/dialgoogle_test.go100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/pkg/net/dialgoogle_test.go b/src/pkg/net/dialgoogle_test.go
new file mode 100644
index 000000000..1e0c0aaf0
--- /dev/null
+++ b/src/pkg/net/dialgoogle_test.go
@@ -0,0 +1,100 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package net
+
+import (
+ "flag";
+ "fmt";
+ "io";
+ "net";
+ "os";
+ "syscall";
+ "testing";
+)
+
+// If an IPv6 tunnel is running (see go/stubl), we can try dialing a real IPv6 address.
+var ipv6 = flag.Bool("ipv6", false, "assume ipv6 tunnel is present")
+
+// fd is already connected to the destination, port 80.
+// Run an HTTP request to fetch the appropriate page.
+func fetchGoogle(t *testing.T, fd net.Conn, network, addr string) {
+ req := io.StringBytes("GET /intl/en/privacy.html HTTP/1.0\r\nHost: www.google.com\r\n\r\n");
+ n, err := fd.Write(req);
+
+ buf := make([]byte, 1000);
+ n, err = io.FullRead(fd, buf);
+
+ if n < 1000 {
+ t.Errorf("fetchGoogle: short HTTP read from %s %s - %v", network, addr, err);
+ return
+ }
+}
+
+func doDial(t *testing.T, network, addr string) {
+ fd, err := net.Dial(network, "", addr);
+ if err != nil {
+ t.Errorf("net.Dial(%q, %q, %q) = _, %v", network, "", addr, err);
+ return
+ }
+ fetchGoogle(t, fd, network, addr);
+ fd.Close()
+}
+
+func doDialTCP(t *testing.T, network, addr string) {
+ fd, err := net.DialTCP(network, "", addr);
+ if err != nil {
+ t.Errorf("net.DialTCP(%q, %q, %q) = _, %v", network, "", addr, err);
+ } else {
+ fetchGoogle(t, fd, network, addr);
+ }
+ fd.Close()
+}
+
+var googleaddrs = []string {
+ "74.125.19.99:80",
+ "www.google.com:80",
+ "74.125.19.99:http",
+ "www.google.com:http",
+ "074.125.019.099:0080",
+ "[::ffff:74.125.19.99]:80",
+ "[::ffff:4a7d:1363]:80",
+ "[0:0:0:0:0000:ffff:74.125.19.99]:80",
+ "[0:0:0:0:000000:ffff:74.125.19.99]:80",
+ "[0:0:0:0:0:ffff::74.125.19.99]:80",
+ "[2001:4860:0:2001::68]:80" // ipv6.google.com; removed if ipv6 flag not set
+}
+
+func TestDialGoogle(t *testing.T) {
+ // If no ipv6 tunnel, don't try the last address.
+ if !*ipv6 {
+ googleaddrs[len(googleaddrs)-1] = ""
+ }
+
+ for i := 0; i < len(googleaddrs); i++ {
+ addr := googleaddrs[i];
+ if addr == "" {
+ continue
+ }
+ t.Logf("-- %s --", addr);
+ doDial(t, "tcp", addr);
+ doDialTCP(t, "tcp", addr);
+ if addr[0] != '[' {
+ doDial(t, "tcp4", addr);
+ doDialTCP(t, "tcp4", addr);
+
+ if !preferIPv4 {
+ // make sure preferIPv4 flag works.
+ preferIPv4 = true;
+ syscall.SocketDisableIPv6 = true;
+ doDial(t, "tcp4", addr);
+ doDialTCP(t, "tcp4", addr);
+ syscall.SocketDisableIPv6 = false;
+ preferIPv4 = false;
+ }
+ }
+ doDial(t, "tcp6", addr);
+ doDialTCP(t, "tcp6", addr)
+ }
+}