Fix cctests using Sockets to be able to run in parallel

test/cctest/test-sockets.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 
 #include "v8.h"
 #include "platform.h"
 #include "cctest.h"
 
 
 using namespace ::v8::internal;
 
 
@@ skipping 106 matching lines @@
   // Close the client before the listener to avoid TIME_WAIT issues.
   client->Shutdown();
   delete client;
   delete listener;
 }
 
 
 TEST(Socket) {
   // Make sure this port is not used by other tests to allow tests to run in
   // parallel.
-  static const int kPort = 5859;
+  static const int kPort = 5859 + FlagDependentPortOffset();
 
   bool ok;
 
   // Initialize socket support.
   ok = Socket::SetUp();
   CHECK(ok);
 
   // Send and receive some data.
   static const int kBufferSizeSmall = 20;
   char small_data[kBufferSizeSmall + 1] = "1234567890abcdefghij";
@@ skipping 19 matching lines @@
 }
 
 
 TEST(HToNNToH) {
   uint16_t x = 1234;
   CHECK_EQ(x, Socket::NToH(Socket::HToN(x)));
 
   uint32_t y = 12345678;
   CHECK(y == Socket::NToH(Socket::HToN(y)));
 }