Multicast socket API

net/udp/udp_socket_unittest.cc

Index: net/udp/udp_socket_unittest.cc
diff --git a/net/udp/udp_socket_unittest.cc b/net/udp/udp_socket_unittest.cc
index 09a28063f2050bd158d84808032946c1d1c282ff..d488bea46da6654b248f26800e8fb55f3f1a1ca5 100644
--- a/net/udp/udp_socket_unittest.cc
+++ b/net/udp/udp_socket_unittest.cc
@@ -526,6 +526,60 @@ TEST_F(UDPSocketTest, CloseWithPendingRead) {
   EXPECT_FALSE(callback.have_result());
 }
 
+#if defined(OS_ANDROID)
+// Some Android devices do not support multicast socket.
+// The ones supporting multicast need WifiManager.MulitcastLock to enable it.
+// http://goo.gl/jjAk9
+#define MAYBE_JoinMulticastGroup DISABLED_JoinMulticastGroup
+#else
+#define MAYBE_JoinMulticastGroup JoinMulticastGroup
+#endif  // defined(OS_ANDROID)
+
+TEST_F(UDPSocketTest, MAYBE_JoinMulticastGroup) {
+  const int kPort = 9999;
+  const char* const kGroup = "237.132.100.17";
+
+  IPEndPoint bind_address;
+  CreateUDPAddress("0.0.0.0", kPort, &bind_address);
+  IPAddressNumber group_ip;
+  EXPECT_TRUE(ParseIPLiteralToNumber(kGroup, &group_ip));
+
+  UDPSocket socket(DatagramSocket::DEFAULT_BIND,
+                   RandIntCallback(),
+                   NULL,
+                   NetLog::Source());
+  EXPECT_EQ(OK, socket.Bind(bind_address));
+  EXPECT_EQ(OK, socket.JoinGroup(group_ip));
+  // Joining group multiple times.
+  EXPECT_NE(OK, socket.JoinGroup(group_ip));
+  EXPECT_EQ(OK, socket.LeaveGroup(group_ip));
+  // Leaving group multiple times.
+  EXPECT_NE(OK, socket.LeaveGroup(group_ip));
+
+  socket.Close();
+}
+
+TEST_F(UDPSocketTest, MulticastOptions) {
+  const int kPort = 9999;
+  IPEndPoint bind_address;
+  CreateUDPAddress("0.0.0.0", kPort, &bind_address);
+
+  UDPSocket socket(DatagramSocket::DEFAULT_BIND,
+                   RandIntCallback(),
+                   NULL,
+                   NetLog::Source());
+  // Before binding.
+  EXPECT_EQ(OK, socket.SetMulticastLoopbackMode(false));
+  EXPECT_EQ(OK, socket.SetMulticastLoopbackMode(true));
+  EXPECT_EQ(OK, socket.SetMulticastTimeToLive(0));
+  EXPECT_EQ(OK, socket.SetMulticastTimeToLive(3));
+  EXPECT_NE(OK, socket.SetMulticastTimeToLive(-1));
+
+  EXPECT_EQ(OK, socket.Bind(bind_address));
+
+  socket.Close();
+}
+
 }  // namespace
 
 }  // namespace net