[NaCl SDK] nacl_io: Add initial support for getsockopt

native_client_sdk/src/tests/nacl_io_socket_test/socket_test.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 <arpa/inet.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <netinet/in.h>
 #include <pthread.h>
 #include <sys/types.h>
@@ skipping 198 matching lines @@
 // TODO(noelallen) BUG=294412
 // Re-enable testing on bots when server sockets are available.
 TEST_F(SocketTestTCP, DISABLED_Connect) {
   char outbuf[256];
   char inbuf[512];
 
   memset(outbuf, 1, sizeof(outbuf));
   memset(inbuf, 0, sizeof(inbuf));
 
   int sock = socket(AF_INET, SOCK_STREAM, 0);
-  EXPECT_NE(-1, sock);
+  EXPECT_GT(sock, -1);
 
   sockaddr_in addr;
   socklen_t addrlen = sizeof(addr);
 
   IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
   int err = connect(sock, (sockaddr*) &addr, addrlen);
 
   EXPECT_EQ(ENONE, err) << "Failed with errno: " << errno << "\n";
 
   EXPECT_EQ(sizeof(outbuf), write(sock, outbuf, sizeof(outbuf)));
   EXPECT_EQ(sizeof(outbuf), read(sock, inbuf, sizeof(inbuf)));
 
   // Now they should be the same
   EXPECT_EQ(0, memcmp(outbuf, inbuf, sizeof(outbuf)));
 }
 
+TEST_F(SocketTest, Setsockopt) {
+  int sock = socket(AF_INET, SOCK_STREAM, 0);
+  EXPECT_GT(sock, -1);
+  int socket_error = 99;
+  socklen_t len = sizeof(socket_error);
+
+  // Test for valid option (SO_ERROR) which should be 0 when a socket
+  // is first created.
+  ASSERT_EQ(0, getsockopt(sock, SOL_SOCKET, SO_ERROR, &socket_error, &len));
+  ASSERT_EQ(0, socket_error);
+  ASSERT_EQ(sizeof(socket_error), len);
+
+  // Test for an invalid option (-1)
+  ASSERT_EQ(-1, getsockopt(sock, SOL_SOCKET, -1, &socket_error, &len));
+  ASSERT_EQ(ENOPROTOOPT, errno);
+}
+
+TEST_F(SocketTest, Getsockopt) {
+  int sock = socket(AF_INET, SOCK_STREAM, 0);
+  EXPECT_GT(sock, -1);
+
+  // It should not be possible to set SO_ERROR using setsockopt.
+  int socket_error = 10;
+  socklen_t len = sizeof(socket_error);
+  ASSERT_EQ(-1, setsockopt(sock, SOL_SOCKET, SO_ERROR, &socket_error, len));
+  ASSERT_EQ(ENOPROTOOPT, errno);
+}
+
 #endif  // PROVIDES_SOCKET_API