Move socket related files from net/base to net/socket.

net/base/tcp_client_socket_pool_unittest.cc

Index: net/base/tcp_client_socket_pool_unittest.cc
===================================================================
--- net/base/tcp_client_socket_pool_unittest.cc	(revision 18948)
+++ net/base/tcp_client_socket_pool_unittest.cc	(working copy)
@@ -1,588 +0,0 @@
-// Copyright (c) 2006-2008 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/base/tcp_client_socket_pool.h"
-
-#include "base/compiler_specific.h"
-#include "base/message_loop.h"
-#include "net/base/client_socket.h"
-#include "net/base/client_socket_factory.h"
-#include "net/base/client_socket_handle.h"
-#include "net/base/host_resolver_unittest.h"
-#include "net/base/net_errors.h"
-#include "net/base/test_completion_callback.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-
-namespace {
-
-const int kMaxSocketsPerGroup = 6;
-
-// Note that the first and the last are the same, the first should be handled
-// before the last, since it was inserted first.
-const int kPriorities[10] = { 1, 7, 9, 5, 6, 2, 8, 3, 4, 1 };
-
-// This is the number of extra requests beyond the first few that use up all
-// available sockets in the socket group.
-const int kNumPendingRequests = arraysize(kPriorities);
-
-const int kNumRequests = kMaxSocketsPerGroup + kNumPendingRequests;
-
-class MockClientSocket : public ClientSocket {
- public:
-  MockClientSocket() : connected_(false) {}
-
-  // ClientSocket methods:
-  virtual int Connect(CompletionCallback* callback) {
-    connected_ = true;
-    return OK;
-  }
-  virtual void Disconnect() {
-    connected_ = false;
-  }
-  virtual bool IsConnected() const {
-    return connected_;
-  }
-  virtual bool IsConnectedAndIdle() const {
-    return connected_;
-  }
-
-  // Socket methods:
-  virtual int Read(IOBuffer* buf, int buf_len,
-                   CompletionCallback* callback) {
-    return ERR_FAILED;
-  }
-  virtual int Write(IOBuffer* buf, int buf_len,
-                    CompletionCallback* callback) {
-    return ERR_FAILED;
-  }
-
- private:
-  bool connected_;
-};
-
-class MockFailingClientSocket : public ClientSocket {
- public:
-  MockFailingClientSocket() {}
-
-  // ClientSocket methods:
-  virtual int Connect(CompletionCallback* callback) {
-    return ERR_CONNECTION_FAILED;
-  }
-
-  virtual void Disconnect() {}
-
-  virtual bool IsConnected() const {
-    return false;
-  }
-  virtual bool IsConnectedAndIdle() const {
-    return false;
-  }
-
-  // Socket methods:
-  virtual int Read(IOBuffer* buf, int buf_len,
-                   CompletionCallback* callback) {
-    return ERR_FAILED;
-  }
-
-  virtual int Write(IOBuffer* buf, int buf_len,
-                    CompletionCallback* callback) {
-    return ERR_FAILED;
-  }
-};
-
-class MockPendingClientSocket : public ClientSocket {
- public:
-  MockPendingClientSocket()
-      : method_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {}
-
-  // ClientSocket methods:
-  virtual int Connect(CompletionCallback* callback) {
-    MessageLoop::current()->PostTask(
-        FROM_HERE,
-        method_factory_.NewRunnableMethod(
-           &MockPendingClientSocket::DoCallback, callback));
-    return ERR_IO_PENDING;
-  }
-
-  virtual void Disconnect() {}
-
-  virtual bool IsConnected() const {
-    return false;
-  }
-  virtual bool IsConnectedAndIdle() const {
-    return false;
-  }
-
-  // Socket methods:
-  virtual int Read(IOBuffer* buf, int buf_len,
-                   CompletionCallback* callback) {
-    return ERR_FAILED;
-  }
-
-  virtual int Write(IOBuffer* buf, int buf_len,
-                    CompletionCallback* callback) {
-    return ERR_FAILED;
-  }
-
- private:
-  void DoCallback(CompletionCallback* callback) {
-    callback->Run(OK);
-  }
-
-  ScopedRunnableMethodFactory<MockPendingClientSocket> method_factory_;
-};
-
-class MockClientSocketFactory : public ClientSocketFactory {
- public:
-  enum ClientSocketType {
-    MOCK_CLIENT_SOCKET,
-    MOCK_FAILING_CLIENT_SOCKET,
-    MOCK_PENDING_CLIENT_SOCKET,
-  };
-
-  MockClientSocketFactory()
-      : allocation_count_(0), client_socket_type_(MOCK_CLIENT_SOCKET) {}
-
-  virtual ClientSocket* CreateTCPClientSocket(const AddressList& addresses) {
-    allocation_count_++;
-    switch (client_socket_type_) {
-      case MOCK_CLIENT_SOCKET:
-        return new MockClientSocket();
-      case MOCK_FAILING_CLIENT_SOCKET:
-        return new MockFailingClientSocket();
-      case MOCK_PENDING_CLIENT_SOCKET:
-        return new MockPendingClientSocket();
-      default:
-        NOTREACHED();
-        return new MockClientSocket();
-    }
-  }
-
-  virtual SSLClientSocket* CreateSSLClientSocket(
-      ClientSocket* transport_socket,
-      const std::string& hostname,
-      const SSLConfig& ssl_config) {
-    NOTIMPLEMENTED();
-    return NULL;
-  }
-
-  int allocation_count() const { return allocation_count_; }
-
-  void set_client_socket_type(ClientSocketType type) {
-    client_socket_type_ = type;
-  }
-
- private:
-  int allocation_count_;
-  ClientSocketType client_socket_type_;
-};
-
-class TestSocketRequest : public CallbackRunner< Tuple1<int> > {
- public:
-  TestSocketRequest(
-      ClientSocketPool* pool,
-      std::vector<TestSocketRequest*>* request_order)
-      : handle(pool), request_order_(request_order) {}
-
-  ClientSocketHandle handle;
-
-  int WaitForResult() {
-    return callback_.WaitForResult();
-  }
-
-  virtual void RunWithParams(const Tuple1<int>& params) {
-    callback_.RunWithParams(params);
-    completion_count++;
-    request_order_->push_back(this);
-  }
-
-  static int completion_count;
-
- private:
-  std::vector<TestSocketRequest*>* request_order_;
-  TestCompletionCallback callback_;
-};
-
-int TestSocketRequest::completion_count = 0;
-
-class TCPClientSocketPoolTest : public testing::Test {
- protected:
-  TCPClientSocketPoolTest()
-      : pool_(new TCPClientSocketPool(kMaxSocketsPerGroup,
-                                      &host_resolver_,
-                                      &client_socket_factory_)) {}
-
-  virtual void SetUp() {
-    RuleBasedHostMapper *host_mapper = new RuleBasedHostMapper();
-    host_mapper->AddRule("*", "127.0.0.1");
-    scoped_host_mapper_.Init(host_mapper);
-    TestSocketRequest::completion_count = 0;
-  }
-
-  virtual void TearDown() {
-    // The tests often call Reset() on handles at the end which may post
-    // DoReleaseSocket() tasks.
-    MessageLoop::current()->RunAllPending();
-  }
-
-  ScopedHostMapper scoped_host_mapper_;
-  HostResolver host_resolver_;
-  MockClientSocketFactory client_socket_factory_;
-  scoped_refptr<ClientSocketPool> pool_;
-  std::vector<TestSocketRequest*> request_order_;
-};
-
-TEST_F(TCPClientSocketPoolTest, Basic) {
-  TestCompletionCallback callback;
-  ClientSocketHandle handle(pool_.get());
-  HostResolver::RequestInfo info("www.google.com", 80);
-  int rv = handle.Init("a", info, 0, &callback);
-  EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_FALSE(handle.is_initialized());
-  EXPECT_FALSE(handle.socket());
-
-  EXPECT_EQ(OK, callback.WaitForResult());
-  EXPECT_TRUE(handle.is_initialized());
-  EXPECT_TRUE(handle.socket());
-
-  handle.Reset();
-}
-
-TEST_F(TCPClientSocketPoolTest, InitHostResolutionFailure) {
-  RuleBasedHostMapper* host_mapper = new RuleBasedHostMapper;
-  host_mapper->AddSimulatedFailure("unresolvable.host.name");
-  ScopedHostMapper scoped_host_mapper(host_mapper);
-  TestSocketRequest req(pool_.get(), &request_order_);
-  HostResolver::RequestInfo info("unresolvable.host.name", 80);
-  EXPECT_EQ(ERR_IO_PENDING, req.handle.Init("a", info, 5, &req));
-  EXPECT_EQ(ERR_NAME_NOT_RESOLVED, req.WaitForResult());
-}
-
-TEST_F(TCPClientSocketPoolTest, InitConnectionFailure) {
-  client_socket_factory_.set_client_socket_type(
-      MockClientSocketFactory::MOCK_FAILING_CLIENT_SOCKET);
-  TestSocketRequest req(pool_.get(), &request_order_);
-  HostResolver::RequestInfo info("unresolvable.host.name", 80);
-  EXPECT_EQ(ERR_IO_PENDING,
-            req.handle.Init("a", info, 5, &req));
-  EXPECT_EQ(ERR_CONNECTION_FAILED, req.WaitForResult());
-}
-
-TEST_F(TCPClientSocketPoolTest, PendingRequests) {
-  scoped_ptr<TestSocketRequest> reqs[kNumRequests];
-
-  for (size_t i = 0; i < arraysize(reqs); ++i)
-    reqs[i].reset(new TestSocketRequest(pool_.get(), &request_order_));
-
-  // Create connections or queue up requests.
-
-  // First request finishes asynchronously.
-  HostResolver::RequestInfo info("www.google.com", 80);
-  int rv = reqs[0]->handle.Init("a", info, 5, reqs[0].get());
-  EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_EQ(OK, reqs[0]->WaitForResult());
-
-  // Rest of them finish synchronously, since they're in the HostCache.
-  for (int i = 1; i < kMaxSocketsPerGroup; ++i) {
-    rv = reqs[i]->handle.Init("a", info, 5, reqs[i].get());
-    EXPECT_EQ(OK, rv);
-    request_order_.push_back(reqs[i].get());
-  }
-
-  // The rest are pending since we've used all active sockets.
-  for (int i = 0; i < kNumPendingRequests; ++i) {
-    rv = reqs[kMaxSocketsPerGroup + i]->handle.Init(
-        "a", info, kPriorities[i], reqs[kMaxSocketsPerGroup + i].get());
-    EXPECT_EQ(ERR_IO_PENDING, rv);
-  }
-
-  // Release any connections until we have no connections.
-  bool released_one;
-  do {
-    released_one = false;
-    for (size_t i = 0; i < arraysize(reqs); ++i) {
-      if (reqs[i]->handle.is_initialized()) {
-        reqs[i]->handle.Reset();
-        MessageLoop::current()->RunAllPending();
-        released_one = true;
-      }
-    }
-  } while (released_one);
-
-  EXPECT_EQ(kMaxSocketsPerGroup, client_socket_factory_.allocation_count());
-  EXPECT_EQ(kNumPendingRequests + 1, TestSocketRequest::completion_count);
-
-  for (int i = 0; i < kMaxSocketsPerGroup; ++i) {
-    EXPECT_EQ(request_order_[i], reqs[i].get()) <<
-        "Request " << i << " was not in order.";
-  }
-
-  for (int i = 0; i < kNumPendingRequests - 1; ++i) {
-    int index_in_queue = (kNumPendingRequests - 1) - kPriorities[i];
-    EXPECT_EQ(request_order_[kMaxSocketsPerGroup + index_in_queue],
-              reqs[kMaxSocketsPerGroup + i].get()) <<
-        "Request " << kMaxSocketsPerGroup + i << " was not in order.";
-  }
-
-  EXPECT_EQ(request_order_[arraysize(reqs) - 1],
-            reqs[arraysize(reqs) - 1].get()) <<
-      "The last request with priority 1 should not have been inserted "
-      "earlier into the queue.";
-}
-
-TEST_F(TCPClientSocketPoolTest, PendingRequests_NoKeepAlive) {
-  scoped_ptr<TestSocketRequest> reqs[kNumRequests];
-  for (size_t i = 0; i < arraysize(reqs); ++i)
-    reqs[i].reset(new TestSocketRequest(pool_.get(), &request_order_));
-
-  // Create connections or queue up requests.
-
-  // First request finishes asynchronously.
-  HostResolver::RequestInfo info("www.google.com", 80);
-  int rv = reqs[0]->handle.Init("a", info, 5, reqs[0].get());
-  EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_EQ(OK, reqs[0]->WaitForResult());
-
-  // Rest of them finish synchronously, since they're in the HostCache.
-  for (int i = 1; i < kMaxSocketsPerGroup; ++i) {
-    rv = reqs[i]->handle.Init("a", info, 5, reqs[i].get());
-    EXPECT_EQ(OK, rv);
-    request_order_.push_back(reqs[i].get());
-  }
-
-  // The rest are pending since we've used all active sockets.
-  for (int i = 0; i < kNumPendingRequests; ++i) {
-    EXPECT_EQ(ERR_IO_PENDING, reqs[kMaxSocketsPerGroup + i]->handle.Init(
-        "a", info, 0, reqs[kMaxSocketsPerGroup + i].get()));
-  }
-
-  // Release any connections until we have no connections.
-  bool released_one;
-  do {
-    released_one = false;
-    for (size_t i = 0; i < arraysize(reqs); ++i) {
-      if (reqs[i]->handle.is_initialized()) {
-        reqs[i]->handle.socket()->Disconnect();  // No keep alive.
-        reqs[i]->handle.Reset();
-        MessageLoop::current()->RunAllPending();
-        released_one = true;
-      }
-    }
-  } while (released_one);
-
-  for (int i = kMaxSocketsPerGroup; i < kNumRequests; ++i)
-    EXPECT_EQ(OK, reqs[i]->WaitForResult());
-
-  EXPECT_EQ(kNumRequests, client_socket_factory_.allocation_count());
-  EXPECT_EQ(kNumPendingRequests + 1, TestSocketRequest::completion_count);
-}
-
-// This test will start up a RequestSocket() and then immediately Cancel() it.
-// The pending host resolution will eventually complete, and destroy the
-// ClientSocketPool which will crash if the group was not cleared properly.
-TEST_F(TCPClientSocketPoolTest, CancelRequestClearGroup) {
-  TestSocketRequest req(pool_.get(), &request_order_);
-  HostResolver::RequestInfo info("www.google.com", 80);
-  EXPECT_EQ(ERR_IO_PENDING, req.handle.Init("a", info, 5, &req));
-  req.handle.Reset();
-
-  PlatformThread::Sleep(100);
-
-  // There is a race condition here.  If the worker pool doesn't post the task
-  // before we get here, then this might not run ConnectingSocket::OnIOComplete
-  // and therefore leak the canceled ConnectingSocket.  However, other tests
-  // after this will call MessageLoop::RunAllPending() which should prevent a
-  // leak, unless the worker thread takes longer than all of them.
-  MessageLoop::current()->RunAllPending();
-}
-
-TEST_F(TCPClientSocketPoolTest, TwoRequestsCancelOne) {
-  TestSocketRequest req(pool_.get(), &request_order_);
-  TestSocketRequest req2(pool_.get(), &request_order_);
-
-  HostResolver::RequestInfo info("www.google.com", 80);
-  EXPECT_EQ(ERR_IO_PENDING, req.handle.Init("a", info, 5, &req));
-  EXPECT_EQ(ERR_IO_PENDING, req2.handle.Init("a", info, 5, &req2));
-
-  req.handle.Reset();
-
-  EXPECT_EQ(OK, req2.WaitForResult());
-  req2.handle.Reset();
-}
-
-TEST_F(TCPClientSocketPoolTest, ConnectCancelConnect) {
-  client_socket_factory_.set_client_socket_type(
-      MockClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET);
-  ClientSocketHandle handle(pool_.get());
-  TestCompletionCallback callback;
-  TestSocketRequest req(pool_.get(), &request_order_);
-
-  HostResolver::RequestInfo info("www.google.com", 80);
-  EXPECT_EQ(ERR_IO_PENDING, handle.Init("a", info, 5, &callback));
-
-  handle.Reset();
-
-  TestCompletionCallback callback2;
-  EXPECT_EQ(ERR_IO_PENDING, handle.Init("a", info, 5, &callback2));
-
-  // At this point, handle has two ConnectingSockets out for it.  Due to the
-  // host cache, the host resolution for both will return in the same loop of
-  // the MessageLoop.  The client socket is a pending socket, so the Connect()
-  // will asynchronously complete on the next loop of the MessageLoop.  That
-  // means that the first ConnectingSocket will enter OnIOComplete, and then the
-  // second one will.  If the first one is not cancelled, it will advance the
-  // load state, and then the second one will crash.
-
-  EXPECT_EQ(OK, callback2.WaitForResult());
-  EXPECT_FALSE(callback.have_result());
-
-  handle.Reset();
-}
-
-TEST_F(TCPClientSocketPoolTest, CancelRequest) {
-  scoped_ptr<TestSocketRequest> reqs[kNumRequests];
-
-  for (size_t i = 0; i < arraysize(reqs); ++i)
-    reqs[i].reset(new TestSocketRequest(pool_.get(), &request_order_));
-
-  // Create connections or queue up requests.
-  HostResolver::RequestInfo info("www.google.com", 80);
-
-  // First request finishes asynchronously.
-  int rv = reqs[0]->handle.Init("a", info, 5, reqs[0].get());
-  EXPECT_EQ(ERR_IO_PENDING, rv);
-  EXPECT_EQ(OK, reqs[0]->WaitForResult());
-
-  // Rest of them finish synchronously, since they're in the HostCache.
-  for (int i = 1; i < kMaxSocketsPerGroup; ++i) {
-    rv = reqs[i]->handle.Init("a", info, 5, reqs[i].get());
-    EXPECT_EQ(OK, rv);
-    request_order_.push_back(reqs[i].get());
-  }
-
-  // The rest are pending since we've used all active sockets.
-  for (int i = 0; i < kNumPendingRequests; ++i) {
-    EXPECT_EQ(ERR_IO_PENDING, reqs[kMaxSocketsPerGroup + i]->handle.Init(
-        "a", info, kPriorities[i], reqs[kMaxSocketsPerGroup + i].get()));
-  }
-
-  // Cancel a request.
-  size_t index_to_cancel = kMaxSocketsPerGroup + 2;
-  EXPECT_TRUE(!reqs[index_to_cancel]->handle.is_initialized());
-  reqs[index_to_cancel]->handle.Reset();
-
-  // Release any connections until we have no connections.
-  bool released_one;
-  do {
-    released_one = false;
-    for (size_t i = 0; i < arraysize(reqs); ++i) {
-      if (reqs[i]->handle.is_initialized()) {
-        reqs[i]->handle.Reset();
-        MessageLoop::current()->RunAllPending();
-        released_one = true;
-      }
-    }
-  } while (released_one);
-
-  EXPECT_EQ(kMaxSocketsPerGroup, client_socket_factory_.allocation_count());
-  EXPECT_EQ(kNumPendingRequests, TestSocketRequest::completion_count);
-
-  for (int i = 0; i < kMaxSocketsPerGroup; ++i) {
-    EXPECT_EQ(request_order_[i], reqs[i].get()) <<
-        "Request " << i << " was not in order.";
-  }
-
-  for (int i = 0; i < kNumPendingRequests - 1; ++i) {
-    if (i == 2) continue;
-    int index_in_queue = (kNumPendingRequests - 1) - kPriorities[i];
-    if (kPriorities[i] < kPriorities[index_to_cancel - kMaxSocketsPerGroup])
-      index_in_queue--;
-    EXPECT_EQ(request_order_[kMaxSocketsPerGroup + index_in_queue],
-              reqs[kMaxSocketsPerGroup + i].get()) <<
-        "Request " << kMaxSocketsPerGroup + i << " was not in order.";
-  }
-
-  EXPECT_EQ(request_order_[arraysize(reqs) - 2],
-            reqs[arraysize(reqs) - 1].get()) <<
-      "The last request with priority 1 should not have been inserted "
-      "earlier into the queue.";
-}
-
-class RequestSocketCallback : public CallbackRunner< Tuple1<int> > {
- public:
-  RequestSocketCallback(ClientSocketHandle* handle)
-      : handle_(handle),
-        within_callback_(false) {}
-
-  virtual void RunWithParams(const Tuple1<int>& params) {
-    callback_.RunWithParams(params);
-    ASSERT_EQ(OK, params.a);
-
-    if (!within_callback_) {
-      handle_->Reset();
-      within_callback_ = true;
-      int rv = handle_->Init(
-          "a", HostResolver::RequestInfo("www.google.com", 80), 0, this);
-      EXPECT_EQ(OK, rv);
-    }
-  }
-
-  int WaitForResult() {
-    return callback_.WaitForResult();
-  }
-
- private:
-  ClientSocketHandle* const handle_;
-  bool within_callback_;
-  TestCompletionCallback callback_;
-};
-
-TEST_F(TCPClientSocketPoolTest, RequestTwice) {
-  ClientSocketHandle handle(pool_.get());
-  RequestSocketCallback callback(&handle);
-  int rv = handle.Init(
-      "a", HostResolver::RequestInfo("www.google.com", 80), 0, &callback);
-  ASSERT_EQ(ERR_IO_PENDING, rv);
-
-  EXPECT_EQ(OK, callback.WaitForResult());
-
-  handle.Reset();
-}
-
-// Make sure that pending requests get serviced after active requests get
-// cancelled.
-TEST_F(TCPClientSocketPoolTest, CancelActiveRequestWithPendingRequests) {
-  client_socket_factory_.set_client_socket_type(
-      MockClientSocketFactory::MOCK_PENDING_CLIENT_SOCKET);
-
-  scoped_ptr<TestSocketRequest> reqs[kNumRequests];
-
-  // Queue up all the requests
-
-  HostResolver::RequestInfo info("www.google.com", 80);
-  for (size_t i = 0; i < arraysize(reqs); ++i) {
-    reqs[i].reset(new TestSocketRequest(pool_.get(), &request_order_));
-    int rv = reqs[i]->handle.Init("a", info, 5, reqs[i].get());
-    EXPECT_EQ(ERR_IO_PENDING, rv);
-  }
-
-  // Now, kMaxSocketsPerGroup requests should be active.  Let's cancel them.
-  for (int i = 0; i < kMaxSocketsPerGroup; ++i)
-    reqs[i]->handle.Reset();
-
-  // Let's wait for the rest to complete now.
-
-  for (size_t i = kMaxSocketsPerGroup; i < arraysize(reqs); ++i) {
-    EXPECT_EQ(OK, reqs[i]->WaitForResult());
-    reqs[i]->handle.Reset();
-  }
-
-  EXPECT_EQ(kNumPendingRequests, TestSocketRequest::completion_count);
-}
-
-}  // namespace
-
-}  // namespace net