Clang format slam.

net/proxy/multi_threaded_proxy_resolver_unittest.cc

 // Copyright (c) 2012 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/proxy/multi_threaded_proxy_resolver.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 40 matching lines @@
 
     // Write something into |net_log| (doesn't really have any meaning.)
     net_log.BeginEvent(NetLog::TYPE_PAC_JAVASCRIPT_ALERT);
 
     results->UseNamedProxy(query_url.host());
 
     // Return a success code which represents the request's order.
     return request_count_++;
   }
 
-  virtual void CancelRequest(RequestHandle request) OVERRIDE {
-    NOTREACHED();
-  }
+  virtual void CancelRequest(RequestHandle request) OVERRIDE { NOTREACHED(); }
 
   virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE {
     NOTREACHED();
     return LOAD_STATE_IDLE;
   }
 
-  virtual void CancelSetPacScript() OVERRIDE {
-    NOTREACHED();
-  }
+  virtual void CancelSetPacScript() OVERRIDE { NOTREACHED(); }
 
   virtual int SetPacScript(
       const scoped_refptr<ProxyResolverScriptData>& script_data,
       const CompletionCallback& callback) OVERRIDE {
     CheckIsOnWorkerThread();
     last_script_data_ = script_data;
     return OK;
   }
 
   int request_count() const { return request_count_; }
@@ skipping 14 matching lines @@
     // test, so at least make sure it isn't the main loop.
     EXPECT_NE(base::MessageLoop::current(), wrong_loop_);
   }
 
   base::MessageLoop* wrong_loop_;
   int request_count_;
   scoped_refptr<ProxyResolverScriptData> last_script_data_;
   base::TimeDelta resolve_latency_;
 };
 
-
 // A mock synchronous ProxyResolver which can be set to block upon reaching
 // GetProxyForURL().
 // TODO(eroman): WaitUntilBlocked() *must* be called before calling Unblock(),
 //               otherwise there will be a race on |should_block_| since it is
 //               read without any synchronization.
 class BlockableProxyResolver : public MockProxyResolver {
  public:
   BlockableProxyResolver()
-      : should_block_(false),
-        unblocked_(true, true),
-        blocked_(true, false) {
-  }
+      : should_block_(false), unblocked_(true, true), blocked_(true, false) {}
 
   void Block() {
     should_block_ = true;
     unblocked_.Reset();
   }
 
   void Unblock() {
     should_block_ = false;
     blocked_.Reset();
     unblocked_.Signal();
   }
 
-  void WaitUntilBlocked() {
-    blocked_.Wait();
-  }
+  void WaitUntilBlocked() { blocked_.Wait(); }
 
   virtual int GetProxyForURL(const GURL& query_url,
                              ProxyInfo* results,
                              const CompletionCallback& callback,
                              RequestHandle* request,
                              const BoundNetLog& net_log) OVERRIDE {
     if (should_block_) {
       blocked_.Signal();
       unblocked_.Wait();
     }
 
     return MockProxyResolver::GetProxyForURL(
         query_url, results, callback, request, net_log);
   }
 
  private:
   bool should_block_;
   base::WaitableEvent unblocked_;
   base::WaitableEvent blocked_;
 };
 
 // ForwardingProxyResolver forwards all requests to |impl|.
 class ForwardingProxyResolver : public ProxyResolver {
  public:
   explicit ForwardingProxyResolver(ProxyResolver* impl)
-      : ProxyResolver(impl->expects_pac_bytes()),
-        impl_(impl) {}
+      : ProxyResolver(impl->expects_pac_bytes()), impl_(impl) {}
 
   virtual int GetProxyForURL(const GURL& query_url,
                              ProxyInfo* results,
                              const CompletionCallback& callback,
                              RequestHandle* request,
                              const BoundNetLog& net_log) OVERRIDE {
     return impl_->GetProxyForURL(
         query_url, results, callback, request, net_log);
   }
 
   virtual void CancelRequest(RequestHandle request) OVERRIDE {
     impl_->CancelRequest(request);
   }
 
   virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE {
     NOTREACHED();
     return LOAD_STATE_IDLE;
   }
 
-  virtual void CancelSetPacScript() OVERRIDE {
-    impl_->CancelSetPacScript();
-  }
+  virtual void CancelSetPacScript() OVERRIDE { impl_->CancelSetPacScript(); }
 
   virtual int SetPacScript(
       const scoped_refptr<ProxyResolverScriptData>& script_data,
       const CompletionCallback& callback) OVERRIDE {
     return impl_->SetPacScript(script_data, callback);
   }
 
  private:
   ProxyResolver* impl_;
 };
@@ skipping 12 matching lines @@
 
  private:
   ProxyResolver* resolver_;
 };
 
 // This factory returns new instances of BlockableProxyResolver.
 class BlockableProxyResolverFactory : public ProxyResolverFactory {
  public:
   BlockableProxyResolverFactory() : ProxyResolverFactory(true) {}
 
-  virtual ~BlockableProxyResolverFactory() {
-    STLDeleteElements(&resolvers_);
-  }
+  virtual ~BlockableProxyResolverFactory() { STLDeleteElements(&resolvers_); }
 
   virtual ProxyResolver* CreateProxyResolver() OVERRIDE {
     BlockableProxyResolver* resolver = new BlockableProxyResolver;
     resolvers_.push_back(resolver);
     return new ForwardingProxyResolver(resolver);
   }
 
-  std::vector<BlockableProxyResolver*> resolvers() {
-    return resolvers_;
-  }
+  std::vector<BlockableProxyResolver*> resolvers() { return resolvers_; }
 
  private:
   std::vector<BlockableProxyResolver*> resolvers_;
 };
 
 TEST(MultiThreadedProxyResolverTest, SingleThread_Basic) {
   const size_t kNumThreads = 1u;
   scoped_ptr<MockProxyResolver> mock(new MockProxyResolver);
   MultiThreadedProxyResolver resolver(
       new ForwardingProxyResolverFactory(mock.get()), kNumThreads);
@@ skipping 10 matching lines @@
       set_script_callback.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, set_script_callback.WaitForResult());
   EXPECT_EQ(ASCIIToUTF16("pac script bytes"),
             mock->last_script_data()->utf16());
 
   // Start request 0.
   TestCompletionCallback callback0;
   CapturingBoundNetLog log0;
   ProxyInfo results0;
-  rv = resolver.GetProxyForURL(GURL("http://request0"), &results0,
-                               callback0.callback(), NULL, log0.bound());
+  rv = resolver.GetProxyForURL(GURL("http://request0"),
+                               &results0,
+                               callback0.callback(),
+                               NULL,
+                               log0.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Wait for request 0 to finish.
   rv = callback0.WaitForResult();
   EXPECT_EQ(0, rv);
   EXPECT_EQ("PROXY request0:80", results0.ToPacString());
 
   // The mock proxy resolver should have written 1 log entry. And
   // on completion, this should have been copied into |log0|.
   // We also have 1 log entry that was emitted by the
   // MultiThreadedProxyResolver.
   CapturingNetLog::CapturedEntryList entries0;
   log0.GetEntries(&entries0);
 
   ASSERT_EQ(2u, entries0.size());
   EXPECT_EQ(NetLog::TYPE_SUBMITTED_TO_RESOLVER_THREAD, entries0[0].type);
 
   // Start 3 more requests (request1 to request3).
 
   TestCompletionCallback callback1;
   ProxyInfo results1;
-  rv = resolver.GetProxyForURL(GURL("http://request1"), &results1,
-                               callback1.callback(), NULL, BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request1"),
+                               &results1,
+                               callback1.callback(),
+                               NULL,
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   TestCompletionCallback callback2;
   ProxyInfo results2;
-  rv = resolver.GetProxyForURL(GURL("http://request2"), &results2,
-                               callback2.callback(), NULL, BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request2"),
+                               &results2,
+                               callback2.callback(),
+                               NULL,
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   TestCompletionCallback callback3;
   ProxyInfo results3;
-  rv = resolver.GetProxyForURL(GURL("http://request3"), &results3,
-                               callback3.callback(), NULL, BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request3"),
+                               &results3,
+                               callback3.callback(),
+                               NULL,
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Wait for the requests to finish (they must finish in the order they were
   // started, which is what we check for from their magic return value)
 
   rv = callback1.WaitForResult();
   EXPECT_EQ(1, rv);
   EXPECT_EQ("PROXY request1:80", results1.ToPacString());
 
   rv = callback2.WaitForResult();
   EXPECT_EQ(2, rv);
   EXPECT_EQ("PROXY request2:80", results2.ToPacString());
 
   rv = callback3.WaitForResult();
   EXPECT_EQ(3, rv);
   EXPECT_EQ("PROXY request3:80", results3.ToPacString());
 }
 
 // Tests that the NetLog is updated to include the time the request was waiting
 // to be scheduled to a thread.
-TEST(MultiThreadedProxyResolverTest,
-     SingleThread_UpdatesNetLogWithThreadWait) {
+TEST(MultiThreadedProxyResolverTest, SingleThread_UpdatesNetLogWithThreadWait) {
   const size_t kNumThreads = 1u;
   scoped_ptr<BlockableProxyResolver> mock(new BlockableProxyResolver);
   MultiThreadedProxyResolver resolver(
       new ForwardingProxyResolverFactory(mock.get()), kNumThreads);
 
   int rv;
 
   // Initialize the resolver.
   TestCompletionCallback init_callback;
   rv = resolver.SetPacScript(ProxyResolverScriptData::FromUTF8("foo"),
                              init_callback.callback());
   EXPECT_EQ(OK, init_callback.WaitForResult());
 
   // Block the proxy resolver, so no request can complete.
   mock->Block();
 
   // Start request 0.
   ProxyResolver::RequestHandle request0;
   TestCompletionCallback callback0;
   ProxyInfo results0;
   CapturingBoundNetLog log0;
-  rv = resolver.GetProxyForURL(GURL("http://request0"), &results0,
-                               callback0.callback(), &request0, log0.bound());
+  rv = resolver.GetProxyForURL(GURL("http://request0"),
+                               &results0,
+                               callback0.callback(),
+                               &request0,
+                               log0.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Start 2 more requests (request1 and request2).
 
   TestCompletionCallback callback1;
   ProxyInfo results1;
   CapturingBoundNetLog log1;
-  rv = resolver.GetProxyForURL(GURL("http://request1"), &results1,
-                               callback1.callback(), NULL, log1.bound());
+  rv = resolver.GetProxyForURL(GURL("http://request1"),
+                               &results1,
+                               callback1.callback(),
+                               NULL,
+                               log1.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   ProxyResolver::RequestHandle request2;
   TestCompletionCallback callback2;
   ProxyInfo results2;
   CapturingBoundNetLog log2;
-  rv = resolver.GetProxyForURL(GURL("http://request2"), &results2,
-                               callback2.callback(), &request2, log2.bound());
+  rv = resolver.GetProxyForURL(GURL("http://request2"),
+                               &results2,
+                               callback2.callback(),
+                               &request2,
+                               log2.bound());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Unblock the worker thread so the requests can continue running.
   mock->WaitUntilBlocked();
   mock->Unblock();
 
   // Check that request 0 completed as expected.
   // The NetLog has 1 entry that came from the MultiThreadedProxyResolver, and
   // 1 entry from the mock proxy resolver.
   EXPECT_EQ(0, callback0.WaitForResult());
   EXPECT_EQ("PROXY request0:80", results0.ToPacString());
 
   CapturingNetLog::CapturedEntryList entries0;
   log0.GetEntries(&entries0);
 
   ASSERT_EQ(2u, entries0.size());
-  EXPECT_EQ(NetLog::TYPE_SUBMITTED_TO_RESOLVER_THREAD,
-            entries0[0].type);
+  EXPECT_EQ(NetLog::TYPE_SUBMITTED_TO_RESOLVER_THREAD, entries0[0].type);
 
   // Check that request 1 completed as expected.
   EXPECT_EQ(1, callback1.WaitForResult());
   EXPECT_EQ("PROXY request1:80", results1.ToPacString());
 
   CapturingNetLog::CapturedEntryList entries1;
   log1.GetEntries(&entries1);
 
   ASSERT_EQ(4u, entries1.size());
   EXPECT_TRUE(LogContainsBeginEvent(
-      entries1, 0,
-      NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
+      entries1, 0, NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
   EXPECT_TRUE(LogContainsEndEvent(
-      entries1, 1,
-      NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
+      entries1, 1, NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
 
   // Check that request 2 completed as expected.
   EXPECT_EQ(2, callback2.WaitForResult());
   EXPECT_EQ("PROXY request2:80", results2.ToPacString());
 
   CapturingNetLog::CapturedEntryList entries2;
   log2.GetEntries(&entries2);
 
   ASSERT_EQ(4u, entries2.size());
   EXPECT_TRUE(LogContainsBeginEvent(
-      entries2, 0,
-      NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
+      entries2, 0, NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
   EXPECT_TRUE(LogContainsEndEvent(
-      entries2, 1,
-      NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
+      entries2, 1, NetLog::TYPE_WAITING_FOR_PROXY_RESOLVER_THREAD));
 }
 
 // Cancel a request which is in progress, and then cancel a request which
 // is pending.
 TEST(MultiThreadedProxyResolverTest, SingleThread_CancelRequest) {
   const size_t kNumThreads = 1u;
   scoped_ptr<BlockableProxyResolver> mock(new BlockableProxyResolver);
   MultiThreadedProxyResolver resolver(
-      new ForwardingProxyResolverFactory(mock.get()),
-                                      kNumThreads);
+      new ForwardingProxyResolverFactory(mock.get()), kNumThreads);
 
   int rv;
 
   // Initialize the resolver.
   TestCompletionCallback init_callback;
   rv = resolver.SetPacScript(ProxyResolverScriptData::FromUTF8("foo"),
                              init_callback.callback());
   EXPECT_EQ(OK, init_callback.WaitForResult());
 
   // Block the proxy resolver, so no request can complete.
   mock->Block();
 
   // Start request 0.
   ProxyResolver::RequestHandle request0;
   TestCompletionCallback callback0;
   ProxyInfo results0;
-  rv = resolver.GetProxyForURL(GURL("http://request0"), &results0,
-                               callback0.callback(), &request0, BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request0"),
+                               &results0,
+                               callback0.callback(),
+                               &request0,
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Wait until requests 0 reaches the worker thread.
   mock->WaitUntilBlocked();
 
   // Start 3 more requests (request1 : request3).
 
   TestCompletionCallback callback1;
   ProxyInfo results1;
-  rv = resolver.GetProxyForURL(GURL("http://request1"), &results1,
-                               callback1.callback(), NULL, BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request1"),
+                               &results1,
+                               callback1.callback(),
+                               NULL,
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   ProxyResolver::RequestHandle request2;
   TestCompletionCallback callback2;
   ProxyInfo results2;
-  rv = resolver.GetProxyForURL(GURL("http://request2"), &results2,
-                               callback2.callback(), &request2, BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request2"),
+                               &results2,
+                               callback2.callback(),
+                               &request2,
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   TestCompletionCallback callback3;
   ProxyInfo results3;
-  rv = resolver.GetProxyForURL(GURL("http://request3"), &results3,
-                               callback3.callback(), NULL, BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request3"),
+                               &results3,
+                               callback3.callback(),
+                               NULL,
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Cancel request0 (inprogress) and request2 (pending).
   resolver.CancelRequest(request0);
   resolver.CancelRequest(request2);
 
   // Unblock the worker thread so the requests can continue running.
   mock->Unblock();
 
   // Wait for requests 1 and 3 to finish.
@@ skipping 31 matching lines @@
                               init_callback.callback());
   EXPECT_EQ(OK, init_callback.WaitForResult());
 
   // Block the proxy resolver, so no request can complete.
   mock->Block();
 
   // Start 3 requests.
 
   TestCompletionCallback callback0;
   ProxyInfo results0;
-  rv = resolver->GetProxyForURL(GURL("http://request0"), &results0,
-                                callback0.callback(), NULL, BoundNetLog());
+  rv = resolver->GetProxyForURL(GURL("http://request0"),
+                                &results0,
+                                callback0.callback(),
+                                NULL,
+                                BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   TestCompletionCallback callback1;
   ProxyInfo results1;
-  rv = resolver->GetProxyForURL(GURL("http://request1"), &results1,
-                                callback1.callback(), NULL, BoundNetLog());
+  rv = resolver->GetProxyForURL(GURL("http://request1"),
+                                &results1,
+                                callback1.callback(),
+                                NULL,
+                                BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   TestCompletionCallback callback2;
   ProxyInfo results2;
-  rv = resolver->GetProxyForURL(GURL("http://request2"), &results2,
-                                callback2.callback(), NULL, BoundNetLog());
+  rv = resolver->GetProxyForURL(GURL("http://request2"),
+                                &results2,
+                                callback2.callback(),
+                                NULL,
+                                BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Wait until request 0 reaches the worker thread.
   mock->WaitUntilBlocked();
 
   // Add some latency, to improve the chance that when
   // MultiThreadedProxyResolver is deleted below we are still running inside
   // of the worker thread. The test will pass regardless, so this race doesn't
   // cause flakiness. However the destruction during execution is a more
   // interesting case to test.
@@ skipping 70 matching lines @@
   EXPECT_EQ(ASCIIToUTF16("pac script bytes"),
             factory->resolvers()[0]->last_script_data()->utf16());
 
   const int kNumRequests = 9;
   TestCompletionCallback callback[kNumRequests];
   ProxyInfo results[kNumRequests];
   ProxyResolver::RequestHandle request[kNumRequests];
 
   // Start request 0 -- this should run on thread 0 as there is nothing else
   // going on right now.
-  rv = resolver.GetProxyForURL(
-      GURL("http://request0"), &results[0], callback[0].callback(), &request[0],
-      BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request0"),
+                               &results[0],
+                               callback[0].callback(),
+                               &request[0],
+                               BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
 
   // Wait for request 0 to finish.
   rv = callback[0].WaitForResult();
   EXPECT_EQ(0, rv);
   EXPECT_EQ("PROXY request0:80", results[0].ToPacString());
   ASSERT_EQ(1u, factory->resolvers().size());
   EXPECT_EQ(1, factory->resolvers()[0]->request_count());
 
   base::MessageLoop::current()->RunUntilIdle();
 
   // We now start 8 requests in parallel -- this will cause the maximum of
   // three threads to be provisioned (an additional two from what we already
   // have).
 
   for (int i = 1; i < kNumRequests; ++i) {
-    rv = resolver.GetProxyForURL(
-        GURL(base::StringPrintf("http://request%d", i)), &results[i],
-        callback[i].callback(), &request[i], BoundNetLog());
+    rv =
+        resolver.GetProxyForURL(GURL(base::StringPrintf("http://request%d", i)),
+                                &results[i],
+                                callback[i].callback(),
+                                &request[i],
+                                BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
   }
 
   // We should now have a total of 3 threads, each with its own ProxyResolver
   // that will get initialized with the same data. (We check this later since
   // the assignment happens on the worker threads and may not have occurred
   // yet.)
   ASSERT_EQ(3u, factory->resolvers().size());
 
   // Cancel 3 of the 8 oustanding requests.
@@ skipping 17 matching lines @@
   // (That way we can test to see the values observed by the synchronous
   // resolvers in a non-racy manner).
   TestCompletionCallback set_script_callback2;
   rv = resolver.SetPacScript(ProxyResolverScriptData::FromUTF8("xyz"),
                              set_script_callback2.callback());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, set_script_callback2.WaitForResult());
   ASSERT_EQ(4u, factory->resolvers().size());
 
   for (int i = 0; i < 3; ++i) {
-    EXPECT_EQ(
-        ASCIIToUTF16("pac script bytes"),
-        factory->resolvers()[i]->last_script_data()->utf16()) << "i=" << i;
+    EXPECT_EQ(ASCIIToUTF16("pac script bytes"),
+              factory->resolvers()[i]->last_script_data()->utf16())
+        << "i=" << i;
   }
 
   EXPECT_EQ(ASCIIToUTF16("xyz"),
             factory->resolvers()[3]->last_script_data()->utf16());
 
   // We don't know the exact ordering that requests ran on threads with,
   // but we do know the total count that should have reached the threads.
   // 8 total were submitted, and three were cancelled. Of the three that
   // were cancelled, one of them (request 1) was cancelled after it had
   // already been posted to the worker thread. So the resolvers will
@@ skipping 32 matching lines @@
 
   const int kNumRequests = 4;
   TestCompletionCallback callback[kNumRequests];
   ProxyInfo results[kNumRequests];
   ProxyResolver::RequestHandle request[kNumRequests];
 
   // Start a request that will block the first thread.
 
   factory->resolvers()[0]->Block();
 
-  rv = resolver.GetProxyForURL(
-      GURL("http://request0"), &results[0], callback[0].callback(), &request[0],
-      BoundNetLog());
+  rv = resolver.GetProxyForURL(GURL("http://request0"),
+                               &results[0],
+                               callback[0].callback(),
+                               &request[0],
+                               BoundNetLog());
 
   EXPECT_EQ(ERR_IO_PENDING, rv);
   factory->resolvers()[0]->WaitUntilBlocked();
 
   // Start 3 more requests -- they should all be serviced by thread #2
   // since thread #1 is blocked.
 
   for (int i = 1; i < kNumRequests; ++i) {
-    rv = resolver.GetProxyForURL(
-        GURL(base::StringPrintf("http://request%d", i)),
-        &results[i], callback[i].callback(), &request[i], BoundNetLog());
+    rv =
+        resolver.GetProxyForURL(GURL(base::StringPrintf("http://request%d", i)),
+                                &results[i],
+                                callback[i].callback(),
+                                &request[i],
+                                BoundNetLog());
     EXPECT_EQ(ERR_IO_PENDING, rv);
   }
 
   // Wait for the three requests to complete (they should complete in FIFO
   // order).
   for (int i = 1; i < kNumRequests; ++i) {
     EXPECT_EQ(i - 1, callback[i].WaitForResult());
   }
 
   // Unblock the first thread.
   factory->resolvers()[0]->Unblock();
   EXPECT_EQ(0, callback[0].WaitForResult());
 
   // All in all, the first thread should have seen just 1 request. And the
   // second thread 3 requests.
   ASSERT_EQ(2u, factory->resolvers().size());
   EXPECT_EQ(1, factory->resolvers()[0]->request_count());
   EXPECT_EQ(3, factory->resolvers()[1]->request_count());
 }
 
 }  // namespace
 
 }  // namespace net