Adds a method to TCPServerSocket to adopt a socket.

net/socket/tcp_socket_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/socket/tcp_socket.h"
 
 #include <stddef.h>
 #include <string.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
+#include "base/files/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "net/base/address_list.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/base/sockaddr_storage.h"
 #include "net/base/test_completion_callback.h"
 #include "net/log/net_log_source.h"
 #include "net/socket/socket_performance_watcher.h"
+#if defined(OS_POSIX)
+#include "net/socket/socket_posix.h"
+#endif
 #include "net/socket/tcp_client_socket.h"
 #include "net/test/gtest_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 using net::test::IsOk;
 
 namespace net {
 
@@ skipping 185 matching lines @@
 
   EXPECT_THAT(connect_callback.WaitForResult(), IsOk());
 }
 
 // Test Accept() callback.
 TEST_F(TCPSocketTest, AcceptAsync) {
   ASSERT_NO_FATAL_FAILURE(SetUpListenIPv4());
   TestAcceptAsync();
 }
 
+#if defined(OS_POSIX)
+// Test AdoptConnectedSocket() for TCPSocketPosix
+TEST_F(TCPSocketTest, AdoptConnectedSocket) {
+  SocketDescriptor socket_fd =
+      CreatePlatformSocket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+  ASSERT_GE(socket_fd, 0);
+  ASSERT_TRUE(base::SetNonBlocking(socket_fd));
+  IPEndPoint address(IPAddress::IPv4Localhost(), 0);
+  SockaddrStorage storage;
+  ASSERT_TRUE(address.ToSockAddr(storage.addr, &storage.addr_len));
+  ASSERT_GE(bind(socket_fd, storage.addr, storage.addr_len), 0);
+  ASSERT_GE(listen(socket_fd, kListenBacklog), 0);
+
+  ASSERT_THAT(socket_.AdoptConnectedSocket(socket_fd, IPEndPoint()), IsOk());
+  ASSERT_THAT(socket_.GetLocalAddress(&local_address_), IsOk());
+
+  TestAcceptAsync();
+}
+#endif
+
 #if defined(OS_WIN)
 // Test Accept() for AdoptListenSocket.
 TEST_F(TCPSocketTest, AcceptForAdoptedListenSocket) {
   // Create a socket to be used with AdoptListenSocket.
   SOCKET existing_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
   ASSERT_THAT(socket_.AdoptListenSocket(existing_socket), IsOk());
 
   IPEndPoint address(IPAddress::IPv4Localhost(), 0);
   SockaddrStorage storage;
   ASSERT_TRUE(address.ToSockAddr(storage.addr, &storage.addr_len));
@@ skipping 151 matching lines @@
 
 // One notification should be received when the socket connects. One
 // additional notification should be received for each message read.
 TEST_F(TCPSocketTest, SPWNoAdvance) {
   TestSPWNotifications(true, 2u, 0u, 3u);
 }
 #endif  // defined(TCP_INFO) || defined(OS_LINUX)
 
 }  // namespace
 }  // namespace net