root/chrome/browser/captive_portal/captive_portal_browsertest.cc

DEFINITIONS

1. Start
2. WaitForJobs
3. FailJobs
4. AbandonJobs
5. next_job_
6. RemoveFromList
7. WaitForJobsOnIOThread
8. MaybeStopWaitingForJobsOnIOThread
9. FailOrAbandonJobsOnIOThread
10. AddUrlHandlers
11. SetBehindCaptivePortal
12. AddUrlHandlersOnIOThread
13. SetBehindCaptivePortalOnIOThread
14. CreateServerRedirect
15. NumLoadingTabs
16. IsLoginTab
17. num_navigations
18. waiting_for_navigation_
19. WaitForNavigations
20. NumNavigationsForTab
21. WaitForNavigations
22. num_results_received
23. captive_portal_result
24. captive_portal_result_
25. WaitForResults
26. AddHstsHost
27. SetUpOnMainThread
28. CleanUpOnMainThread
29. EnableCaptivePortalDetection
30. SetUpCaptivePortalService
31. CheckPending
32. GetStateOfTabReloader
33. GetStateOfTabReloaderAt
34. NumTabsWithState
35. NumBrokenTabs
36. NumNeedReloadTabs
37. NavigateToPageExpectNoTest
38. SlowLoadNoCaptivePortal
39. FastTimeoutNoCaptivePortal
40. SlowLoadBehindCaptivePortal
41. SlowLoadBehindCaptivePortal
42. FastTimeoutBehindCaptivePortal
43. FastErrorBehindCaptivePortal
44. NavigateLoginTab
45. Login
46. FailLoadsAfterLogin
47. FailLoadsWithoutLogin
48. RunNavigateLoadingTabToTimeoutTest
49. SetSlowSSLLoadTime
50. GetTabReloader
51. IN_PROC_BROWSER_TEST_F
52. IN_PROC_BROWSER_TEST_F
53. IN_PROC_BROWSER_TEST_F
54. IN_PROC_BROWSER_TEST_F
55. IN_PROC_BROWSER_TEST_F
56. IN_PROC_BROWSER_TEST_F
57. IN_PROC_BROWSER_TEST_F
58. IN_PROC_BROWSER_TEST_F
59. IN_PROC_BROWSER_TEST_F
60. IN_PROC_BROWSER_TEST_F
61. IN_PROC_BROWSER_TEST_F
62. IN_PROC_BROWSER_TEST_F
63. IN_PROC_BROWSER_TEST_F
64. IN_PROC_BROWSER_TEST_F
65. IN_PROC_BROWSER_TEST_F
66. IN_PROC_BROWSER_TEST_F
67. IN_PROC_BROWSER_TEST_F
68. IN_PROC_BROWSER_TEST_F
69. IN_PROC_BROWSER_TEST_F
70. IN_PROC_BROWSER_TEST_F
71. IN_PROC_BROWSER_TEST_F
72. IN_PROC_BROWSER_TEST_F
73. IN_PROC_BROWSER_TEST_F
74. IN_PROC_BROWSER_TEST_F
75. IN_PROC_BROWSER_TEST_F
76. IN_PROC_BROWSER_TEST_F
77. IN_PROC_BROWSER_TEST_F
78. IN_PROC_BROWSER_TEST_F
79. IN_PROC_BROWSER_TEST_F

// 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 <map>
#include <set>

#include "base/basictypes.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/message_loop/message_loop.h"
#include "base/path_service.h"
#include "base/prefs/pref_service.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/captive_portal/captive_portal_service.h"
#include "chrome/browser/captive_portal/captive_portal_service_factory.h"
#include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
#include "chrome/browser/captive_portal/captive_portal_tab_reloader.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/net/url_request_mock_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/url_constants.h"
#include "content/test/net/url_request_failed_job.h"
#include "content/test/net/url_request_mock_http_job.h"
#include "net/base/net_errors.h"
#include "net/http/transport_security_state.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
#include "net/url_request/url_request_filter.h"
#include "net/url_request/url_request_job.h"
#include "net/url_request/url_request_status.h"
#include "testing/gtest/include/gtest/gtest.h"

using content::BrowserThread;
using content::URLRequestFailedJob;
using content::URLRequestMockHTTPJob;
using content::WebContents;

namespace captive_portal {

namespace {

// Path of the fake login page, when using the TestServer.
const char* const kTestServerLoginPath = "files/captive_portal/login.html";

// Path of a page with an iframe that has a mock SSL timeout, when using the
// TestServer.
const char* const kTestServerIframeTimeoutPath =
    "files/captive_portal/iframe_timeout.html";

// The following URLs each have two different behaviors, depending on whether
// URLRequestMockCaptivePortalJobFactory is currently simulating the presence
// of a captive portal or not.  They use different domains so that HSTS can be
// applied to them independently.

// A mock URL for the CaptivePortalService's |test_url|.  When behind a captive
// portal, this URL returns a mock login page.  When connected to the Internet,
// it returns a 204 response.  Uses the name of the login file so that reloading
// it will not request a different URL.
const char* const kMockCaptivePortalTestUrl =
    "http://mock.captive.portal.test/login.html";

// Another mock URL for the CaptivePortalService's |test_url|.  When behind a
// captive portal, this URL returns a 511 status code and an HTML page that
// redirect to the above URL.  When connected to the Internet, it returns a 204
// response.
const char* const kMockCaptivePortal511Url =
    "http://mock.captive.portal.511/page511.html";

// When behind a captive portal, this URL hangs without committing until a call
// to URLRequestTimeoutOnDemandJob::FailJobs.  When that function is called,
// the request will time out.
//
// When connected to the Internet, this URL returns a non-error page.
const char* const kMockHttpsUrl =
    "https://mock.captive.portal.long.timeout/title2.html";

// Same as above, but different domain, so can be used to trigger cross-site
// navigations.
const char* const kMockHttpsUrl2 =
    "https://mock.captive.portal.long.timeout2/title2.html";

// Same as kMockHttpsUrl, except the timeout happens instantly.
const char* const kMockHttpsQuickTimeoutUrl =
    "https://mock.captive.portal.quick.timeout/title2.html";

// Expected title of a tab once an HTTPS load completes, when not behind a
// captive portal.
const char* const kInternetConnectedTitle = "Title Of Awesomeness";

// A URL request job that hangs until FailJobs() is called.  Started jobs
// are stored in a static class variable containing a linked list so that
// FailJobs() can locate them.
class URLRequestTimeoutOnDemandJob : public net::URLRequestJob,
                                     public base::NonThreadSafe {
 public:
  // net::URLRequestJob:
  virtual void Start() OVERRIDE;

  // All the public static methods below can be called on any thread.

  // Waits for exactly |num_jobs|.
  static void WaitForJobs(int num_jobs);

  // Fails all active URLRequestTimeoutOnDemandJobs with connection timeouts.
  // There are expected to be exactly |expected_num_jobs| waiting for
  // failure.  The only way to gaurantee this is with an earlier call to
  // WaitForJobs, so makes sure there has been a matching WaitForJobs call.
  static void FailJobs(int expected_num_jobs);

  // Abandon all active URLRequestTimeoutOnDemandJobs.  |expected_num_jobs|
  // behaves just as in FailJobs.
  static void AbandonJobs(int expected_num_jobs);

 private:
  friend class URLRequestMockCaptivePortalJobFactory;

  // Operation to perform on jobs when removing them from |job_list_|.
  enum EndJobOperation {
    FAIL_JOBS,
    ABANDON_JOBS,
  };

  URLRequestTimeoutOnDemandJob(net::URLRequest* request,
                               net::NetworkDelegate* network_delegate);
  virtual ~URLRequestTimeoutOnDemandJob();

  // Attempts to removes |this| from |jobs_|.  Returns true if it was removed
  // from the list.
  bool RemoveFromList();

  static void WaitForJobsOnIOThread(int num_jobs);
  static void FailOrAbandonJobsOnIOThread(
      int expected_num_jobs,
      EndJobOperation end_job_operation);

  // Checks if there are at least |num_jobs_to_wait_for_| jobs in
  // |job_list_|.  If so, exits the message loop on the UI thread, which
  // should be spinning in a call to WaitForJobs.  Does nothing when
  // |num_jobs_to_wait_for_| is 0.
  static void MaybeStopWaitingForJobsOnIOThread();

  // All class variables are only accessed on the IO thread.

  // Number of jobs currently being waited for, or 0 if not currently
  // waiting for jobs.
  static int num_jobs_to_wait_for_;

  // The last number of jobs that were waited for.  When FailJobs or
  // AbandonJobs is called, this should match |expected_num_jobs|.
  static int last_num_jobs_to_wait_for_;

  // Number of jobs that have been started, but not yet waited for.  If jobs
  // are deleted unexpectedly, they're still included in this count, even though
  // they've been removed from |job_list_|.  Intended to reduce chance of stalls
  // on regressions.
  static int num_jobs_started_;

  // Head of linked list of jobs that have been started and are now waiting to
  // be timed out.
  static URLRequestTimeoutOnDemandJob* job_list_;

  // The next job that had been started but not yet timed out.
  URLRequestTimeoutOnDemandJob* next_job_;

  DISALLOW_COPY_AND_ASSIGN(URLRequestTimeoutOnDemandJob);
};

int URLRequestTimeoutOnDemandJob::num_jobs_to_wait_for_ = 0;
int URLRequestTimeoutOnDemandJob::last_num_jobs_to_wait_for_ = 0;
int URLRequestTimeoutOnDemandJob::num_jobs_started_ = 0;
URLRequestTimeoutOnDemandJob* URLRequestTimeoutOnDemandJob::job_list_ = NULL;

void URLRequestTimeoutOnDemandJob::Start() {
  EXPECT_TRUE(CalledOnValidThread());

  // Insert at start of the list.
  next_job_ = job_list_;
  job_list_ = this;
  ++num_jobs_started_;

  // Checks if there are at least |num_jobs_to_wait_for_| jobs in
  // |job_list_|.  If so, exits the message loop on the UI thread, which
  // should be spinning in a call to WaitForJobs.  Does nothing if
  // |num_jobs_to_wait_for_| is 0.
  MaybeStopWaitingForJobsOnIOThread();
}

// static
void URLRequestTimeoutOnDemandJob::WaitForJobs(int num_jobs) {
  content::BrowserThread::PostTask(
      content::BrowserThread::IO, FROM_HERE,
      base::Bind(&URLRequestTimeoutOnDemandJob::WaitForJobsOnIOThread,
                 num_jobs));
  content::RunMessageLoop();
}

// static
void URLRequestTimeoutOnDemandJob::FailJobs(int expected_num_jobs) {
  content::BrowserThread::PostTask(
      content::BrowserThread::IO, FROM_HERE,
      base::Bind(&URLRequestTimeoutOnDemandJob::FailOrAbandonJobsOnIOThread,
                 expected_num_jobs,
                 FAIL_JOBS));
}

// static
void URLRequestTimeoutOnDemandJob::AbandonJobs(int expected_num_jobs) {
  content::BrowserThread::PostTask(
      content::BrowserThread::IO, FROM_HERE,
      base::Bind(&URLRequestTimeoutOnDemandJob::FailOrAbandonJobsOnIOThread,
                 expected_num_jobs,
                 ABANDON_JOBS));
}

URLRequestTimeoutOnDemandJob::URLRequestTimeoutOnDemandJob(
    net::URLRequest* request, net::NetworkDelegate* network_delegate)
    : net::URLRequestJob(request, network_delegate),
      next_job_(NULL) {
}

URLRequestTimeoutOnDemandJob::~URLRequestTimeoutOnDemandJob() {
  // All hanging jobs should have failed or been abandoned before being
  // destroyed.
  EXPECT_FALSE(RemoveFromList());
}

bool URLRequestTimeoutOnDemandJob::RemoveFromList() {
  URLRequestTimeoutOnDemandJob** job = &job_list_;
  while (*job) {
    if (*job == this) {
      *job = next_job_;
      next_job_ = NULL;
      return true;
    }
    job = &next_job_;
  }

  // If the job wasn't in this list, |next_job_| should be NULL.
  EXPECT_FALSE(next_job_);
  return false;
}

// static
void URLRequestTimeoutOnDemandJob::WaitForJobsOnIOThread(int num_jobs) {
  ASSERT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
  ASSERT_EQ(0, num_jobs_to_wait_for_);
  ASSERT_LT(0, num_jobs);
  // Number of tabs being waited on should be strictly increasing.
  ASSERT_LE(last_num_jobs_to_wait_for_, num_jobs);

  num_jobs_to_wait_for_ = num_jobs;
  MaybeStopWaitingForJobsOnIOThread();
}

// static
void URLRequestTimeoutOnDemandJob::MaybeStopWaitingForJobsOnIOThread() {
  ASSERT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
  if (num_jobs_to_wait_for_ == 0)
    return;

  // There shouldn't be any extra jobs.
  EXPECT_LE(num_jobs_started_, num_jobs_to_wait_for_);

  // Should never be greater, but if it is, go ahead and exit the message loop
  // to try and avoid hanging.
  if (num_jobs_started_ >= num_jobs_to_wait_for_) {
    last_num_jobs_to_wait_for_ = num_jobs_to_wait_for_;
    num_jobs_to_wait_for_ = 0;
    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                            base::MessageLoop::QuitClosure());
  }
}

// static
void URLRequestTimeoutOnDemandJob::FailOrAbandonJobsOnIOThread(
    int expected_num_jobs,
    EndJobOperation end_job_operation) {
  ASSERT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
  ASSERT_LT(0, expected_num_jobs);
  EXPECT_EQ(last_num_jobs_to_wait_for_, expected_num_jobs);
  last_num_jobs_to_wait_for_ = 0;

  int num_jobs = 0;
  while (job_list_) {
    ++num_jobs;
    URLRequestTimeoutOnDemandJob* job = job_list_;
    // Since the error notification may result in the job's destruction, remove
    // it from the job list before the error.
    EXPECT_TRUE(job->RemoveFromList());
    if (end_job_operation == FAIL_JOBS) {
      job->NotifyStartError(net::URLRequestStatus(
                                net::URLRequestStatus::FAILED,
                                net::ERR_CONNECTION_TIMED_OUT));
    }
  }

  EXPECT_EQ(expected_num_jobs, num_jobs_started_);
  EXPECT_EQ(expected_num_jobs, num_jobs);

  num_jobs_started_ -= expected_num_jobs;
}

// URLRequestCaptivePortalJobFactory emulates captive portal behavior.
// Initially, it emulates being behind a captive portal.  When
// SetBehindCaptivePortal(false) is called, it emulates behavior when not behind
// a captive portal.  The class itself is never instantiated.
//
// It handles requests for kMockCaptivePortalTestUrl, kMockHttpsUrl, and
// kMockHttpsQuickTimeoutUrl.
class URLRequestMockCaptivePortalJobFactory {
 public:
  // The public static methods below can be called on any thread.

  // Adds the testing URLs to the net::URLRequestFilter.  Should only be called
  // once.
  static void AddUrlHandlers();

  // Sets whether or not there is a captive portal.  Outstanding requests are
  // not affected.
  static void SetBehindCaptivePortal(bool behind_captive_portal);

 private:
  // These do all the work of the corresponding public functions, with the only
  // difference being that they must be called on the IO thread.
  static void AddUrlHandlersOnIOThread();
  static void SetBehindCaptivePortalOnIOThread(bool behind_captive_portal);

  // Returns a URLRequestJob that reflects the current captive portal state
  // for the URLs: kMockCaptivePortalTestUrl, kMockHttpsUrl, and
  // kMockHttpsQuickTimeoutUrl.  See documentation of individual URLs for
  // actual behavior.
  static net::URLRequestJob* Factory(net::URLRequest* request,
                                     net::NetworkDelegate* network_delegate,
                                     const std::string& scheme);

  static bool behind_captive_portal_;

  DISALLOW_IMPLICIT_CONSTRUCTORS(URLRequestMockCaptivePortalJobFactory);
};

bool URLRequestMockCaptivePortalJobFactory::behind_captive_portal_ = true;

// static
void URLRequestMockCaptivePortalJobFactory::AddUrlHandlers() {
  content::BrowserThread::PostTask(
      content::BrowserThread::IO, FROM_HERE,
      base::Bind(
          &URLRequestMockCaptivePortalJobFactory::AddUrlHandlersOnIOThread));
}

// static
void URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortal(
    bool behind_captive_portal) {
  content::BrowserThread::PostTask(
      content::BrowserThread::IO, FROM_HERE,
      base::Bind(
          &URLRequestMockCaptivePortalJobFactory::
              SetBehindCaptivePortalOnIOThread,
          behind_captive_portal));
}

// static
void URLRequestMockCaptivePortalJobFactory::AddUrlHandlersOnIOThread() {
  EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));

  // Handle only exact matches, so any related requests, such as those for
  // favicons, are not handled by the factory.
  net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance();
  filter->AddUrlHandler(GURL(kMockCaptivePortalTestUrl),
                        URLRequestMockCaptivePortalJobFactory::Factory);
  filter->AddUrlHandler(GURL(kMockCaptivePortal511Url),
                        URLRequestMockCaptivePortalJobFactory::Factory);
  filter->AddUrlHandler(GURL(kMockHttpsUrl),
                        URLRequestMockCaptivePortalJobFactory::Factory);
  filter->AddUrlHandler(GURL(kMockHttpsUrl2),
                        URLRequestMockCaptivePortalJobFactory::Factory);
  filter->AddUrlHandler(GURL(kMockHttpsQuickTimeoutUrl),
                        URLRequestMockCaptivePortalJobFactory::Factory);
}

// static
void URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortalOnIOThread(
    bool behind_captive_portal) {
  EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
  behind_captive_portal_ = behind_captive_portal;
}

// static
net::URLRequestJob* URLRequestMockCaptivePortalJobFactory::Factory(
    net::URLRequest* request,
    net::NetworkDelegate* network_delegate,
    const std::string& scheme) {
  EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));

  // The PathService is threadsafe.
  base::FilePath root_http;
  PathService::Get(chrome::DIR_TEST_DATA, &root_http);

  if (request->url() == GURL(kMockHttpsUrl) ||
      request->url() == GURL(kMockHttpsUrl2)) {
    if (behind_captive_portal_)
      return new URLRequestTimeoutOnDemandJob(request, network_delegate);
    // Once logged in to the portal, HTTPS requests return the page that was
    // actually requested.
    return new URLRequestMockHTTPJob(
        request,
        network_delegate,
        root_http.Append(FILE_PATH_LITERAL("title2.html")));
  } else if (request->url() == GURL(kMockHttpsQuickTimeoutUrl)) {
    if (behind_captive_portal_)
      return new URLRequestFailedJob(
          request, network_delegate, net::ERR_CONNECTION_TIMED_OUT);
    // Once logged in to the portal, HTTPS requests return the page that was
    // actually requested.
    return new URLRequestMockHTTPJob(
        request,
        network_delegate,
        root_http.Append(FILE_PATH_LITERAL("title2.html")));
  } else {
    // The URL should be the captive portal test URL.
    EXPECT_TRUE(GURL(kMockCaptivePortalTestUrl) == request->url() ||
                GURL(kMockCaptivePortal511Url) == request->url());

    if (behind_captive_portal_) {
      // Prior to logging in to the portal, the HTTP test URLs are intercepted
      // by the captive portal.
      if (GURL(kMockCaptivePortal511Url) == request->url()) {
        return new URLRequestMockHTTPJob(
            request,
            network_delegate,
            root_http.Append(FILE_PATH_LITERAL("captive_portal/page511.html")));
      }
      return new URLRequestMockHTTPJob(
          request,
          network_delegate,
          root_http.Append(FILE_PATH_LITERAL("captive_portal/login.html")));
    }

    // After logging in to the portal, the test URLs return a 204 response.
    return new URLRequestMockHTTPJob(
        request,
        network_delegate,
        root_http.Append(FILE_PATH_LITERAL("captive_portal/page204.html")));
  }
}

// Creates a server-side redirect for use with the TestServer.
std::string CreateServerRedirect(const std::string& dest_url) {
  const char* const kServerRedirectBase = "server-redirect?";
  return kServerRedirectBase + dest_url;
}

// Returns the total number of loading tabs across all Browsers, for all
// Profiles.
int NumLoadingTabs() {
  int num_loading_tabs = 0;
  for (TabContentsIterator it; !it.done(); it.Next()) {
    if (it->IsLoading())
      ++num_loading_tabs;
  }
  return num_loading_tabs;
}

bool IsLoginTab(WebContents* web_contents) {
  return CaptivePortalTabHelper::FromWebContents(web_contents)->IsLoginTab();
}

// Tracks how many times each tab has been navigated since the Observer was
// created.  The standard TestNavigationObserver can only watch specific
// pre-existing tabs or loads in serial for all tabs.
class MultiNavigationObserver : public content::NotificationObserver {
 public:
  MultiNavigationObserver();
  virtual ~MultiNavigationObserver();

  // Waits for exactly |num_navigations_to_wait_for| LOAD_STOP
  // notifications to have occurred since the construction of |this|.  More
  // navigations than expected occuring will trigger a expect failure.
  void WaitForNavigations(int num_navigations_to_wait_for);

  // Returns the number of LOAD_STOP events that have occurred for
  // |web_contents| since this was constructed.
  int NumNavigationsForTab(WebContents* web_contents) const;

  // The number of LOAD_STOP events since |this| was created.
  int num_navigations() const { return num_navigations_; }

 private:
  typedef std::map<const WebContents*, int> TabNavigationMap;

  // content::NotificationObserver:
  virtual void Observe(int type, const content::NotificationSource& source,
                       const content::NotificationDetails& details) OVERRIDE;

  int num_navigations_;

  // Map of how many times each tab has navigated since |this| was created.
  TabNavigationMap tab_navigation_map_;

  // Total number of navigations to wait for.  Value only matters when
  // |waiting_for_navigation_| is true.
  int num_navigations_to_wait_for_;

  // True if WaitForNavigations has been called, until
  // |num_navigations_to_wait_for_| have been observed.
  bool waiting_for_navigation_;

  content::NotificationRegistrar registrar_;

  DISALLOW_COPY_AND_ASSIGN(MultiNavigationObserver);
};

MultiNavigationObserver::MultiNavigationObserver()
    : num_navigations_(0),
      num_navigations_to_wait_for_(0),
      waiting_for_navigation_(false) {
  registrar_.Add(this, content::NOTIFICATION_LOAD_STOP,
                 content::NotificationService::AllSources());
}

MultiNavigationObserver::~MultiNavigationObserver() {
}

void MultiNavigationObserver::WaitForNavigations(
    int num_navigations_to_wait_for) {
  // Shouldn't already be waiting for navigations.
  EXPECT_FALSE(waiting_for_navigation_);
  EXPECT_LT(0, num_navigations_to_wait_for);
  if (num_navigations_ < num_navigations_to_wait_for) {
    num_navigations_to_wait_for_ = num_navigations_to_wait_for;
    waiting_for_navigation_ = true;
    content::RunMessageLoop();
    EXPECT_FALSE(waiting_for_navigation_);
  }
  EXPECT_EQ(num_navigations_, num_navigations_to_wait_for);
}

int MultiNavigationObserver::NumNavigationsForTab(
    WebContents* web_contents) const {
  TabNavigationMap::const_iterator tab_navigations =
      tab_navigation_map_.find(web_contents);
  if (tab_navigations == tab_navigation_map_.end())
    return 0;
  return tab_navigations->second;
}

void MultiNavigationObserver::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  ASSERT_EQ(type, content::NOTIFICATION_LOAD_STOP);
  content::NavigationController* controller =
      content::Source<content::NavigationController>(source).ptr();
  ++num_navigations_;
  ++tab_navigation_map_[controller->GetWebContents()];
  if (waiting_for_navigation_ &&
      num_navigations_to_wait_for_ == num_navigations_) {
    waiting_for_navigation_ = false;
    base::MessageLoopForUI::current()->Quit();
  }
}

// This observer creates a list of loading tabs, and then waits for them all
// to stop loading and have the kInternetConnectedTitle.
//
// This is for the specific purpose of observing tabs time out after logging in
// to a captive portal, which will then cause them to reload.
// MultiNavigationObserver is insufficient for this because there may or may not
// be a LOAD_STOP event between the timeout and the reload.
// See bug http://crbug.com/133227
class FailLoadsAfterLoginObserver : public content::NotificationObserver {
 public:
  FailLoadsAfterLoginObserver();
  virtual ~FailLoadsAfterLoginObserver();

  void WaitForNavigations();

 private:
  typedef std::set<const WebContents*> TabSet;

  // content::NotificationObserver:
  virtual void Observe(int type, const content::NotificationSource& source,
                       const content::NotificationDetails& details) OVERRIDE;

  // The set of tabs that need to be navigated.  This is the set of loading
  // tabs when the observer is created.
  TabSet tabs_needing_navigation_;

  // Number of tabs that have stopped navigating with the expected title.  These
  // are expected not to be navigated again.
  TabSet tabs_navigated_to_final_destination_;

  // True if WaitForNavigations has been called, until
  // |tabs_navigated_to_final_destination_| equals |tabs_needing_navigation_|.
  bool waiting_for_navigation_;

  content::NotificationRegistrar registrar_;

  DISALLOW_COPY_AND_ASSIGN(FailLoadsAfterLoginObserver);
};

FailLoadsAfterLoginObserver::FailLoadsAfterLoginObserver()
    : waiting_for_navigation_(false) {
  registrar_.Add(this, content::NOTIFICATION_LOAD_STOP,
                 content::NotificationService::AllSources());
  for (TabContentsIterator it; !it.done(); it.Next()) {
    if (it->IsLoading())
      tabs_needing_navigation_.insert(*it);
  }
}

FailLoadsAfterLoginObserver::~FailLoadsAfterLoginObserver() {
}

void FailLoadsAfterLoginObserver::WaitForNavigations() {
  // Shouldn't already be waiting for navigations.
  EXPECT_FALSE(waiting_for_navigation_);
  if (tabs_needing_navigation_.size() !=
          tabs_navigated_to_final_destination_.size()) {
    waiting_for_navigation_ = true;
    content::RunMessageLoop();
    EXPECT_FALSE(waiting_for_navigation_);
  }
  EXPECT_EQ(tabs_needing_navigation_.size(),
            tabs_navigated_to_final_destination_.size());
}

void FailLoadsAfterLoginObserver::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  ASSERT_EQ(type, content::NOTIFICATION_LOAD_STOP);
  content::NavigationController* controller =
      content::Source<content::NavigationController>(source).ptr();
  WebContents* contents = controller->GetWebContents();

  ASSERT_EQ(1u, tabs_needing_navigation_.count(contents));
  ASSERT_EQ(0u, tabs_navigated_to_final_destination_.count(contents));

  if (contents->GetTitle() != base::ASCIIToUTF16(kInternetConnectedTitle))
    return;
  tabs_navigated_to_final_destination_.insert(contents);

  if (waiting_for_navigation_ &&
      tabs_needing_navigation_.size() ==
          tabs_navigated_to_final_destination_.size()) {
    waiting_for_navigation_ = false;
    base::MessageLoopForUI::current()->Quit();
  }
}

// An observer for watching the CaptivePortalService.  It tracks the last
// received result and the total number of received results.
class CaptivePortalObserver : public content::NotificationObserver {
 public:
  explicit CaptivePortalObserver(Profile* profile);

  // Runs the message loop until until at exactly |update_count| capitive portal
  // results have been received, since this creation of |this|.  Expects no
  // additional captive portal results.
  void WaitForResults(int num_results_to_wait_for);

  int num_results_received() const { return num_results_received_; }

  Result captive_portal_result() const {
    return captive_portal_result_;
  }

 private:
  // Records results and exits the message loop, if needed.
  virtual void Observe(int type,
                       const content::NotificationSource& source,
                       const content::NotificationDetails& details) OVERRIDE;

  // Number of times OnPortalResult has been called since construction.
  int num_results_received_;

  // If WaitForResults was called, the total number of updates for which to
  // wait.  Value doesn't matter when |waiting_for_result_| is false.
  int num_results_to_wait_for_;

  bool waiting_for_result_;

  Profile* profile_;

  CaptivePortalService* captive_portal_service_;

  // Last result received.
  Result captive_portal_result_;

  content::NotificationRegistrar registrar_;

  DISALLOW_COPY_AND_ASSIGN(CaptivePortalObserver);
};

CaptivePortalObserver::CaptivePortalObserver(Profile* profile)
    : num_results_received_(0),
      num_results_to_wait_for_(0),
      waiting_for_result_(false),
      profile_(profile),
      captive_portal_service_(
          CaptivePortalServiceFactory::GetForProfile(profile)),
      captive_portal_result_(
          captive_portal_service_->last_detection_result()) {
  registrar_.Add(this,
                 chrome::NOTIFICATION_CAPTIVE_PORTAL_CHECK_RESULT,
                 content::Source<Profile>(profile_));
}

void CaptivePortalObserver::WaitForResults(int num_results_to_wait_for) {
  EXPECT_LT(0, num_results_to_wait_for);
  EXPECT_FALSE(waiting_for_result_);
  if (num_results_received_ < num_results_to_wait_for) {
    num_results_to_wait_for_ = num_results_to_wait_for;
    waiting_for_result_ = true;
    content::RunMessageLoop();
    EXPECT_FALSE(waiting_for_result_);
  }
  EXPECT_EQ(num_results_to_wait_for, num_results_received_);
}

void CaptivePortalObserver::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  ASSERT_EQ(type, chrome::NOTIFICATION_CAPTIVE_PORTAL_CHECK_RESULT);
  ASSERT_EQ(profile_, content::Source<Profile>(source).ptr());

  CaptivePortalService::Results* results =
      content::Details<CaptivePortalService::Results>(details).ptr();

  EXPECT_EQ(captive_portal_result_, results->previous_result);
  EXPECT_EQ(captive_portal_service_->last_detection_result(),
            results->result);

  captive_portal_result_ = results->result;
  ++num_results_received_;

  if (waiting_for_result_ &&
      num_results_to_wait_for_ == num_results_received_) {
    waiting_for_result_ = false;
    base::MessageLoop::current()->Quit();
  }
}

// Adds an HSTS rule for |host|, so that all HTTP requests sent to it will
// be switched to HTTPS requests.
void AddHstsHost(net::URLRequestContextGetter* context_getter,
                 const std::string& host) {
  ASSERT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
  net::TransportSecurityState* transport_security_state =
      context_getter->GetURLRequestContext()->transport_security_state();
  if (!transport_security_state) {
    FAIL();
    return;
  }

  base::Time expiry = base::Time::Now() + base::TimeDelta::FromDays(1000);
  bool include_subdomains = false;
  transport_security_state->AddHSTS(host, expiry, include_subdomains);
}

}  // namespace

class CaptivePortalBrowserTest : public InProcessBrowserTest {
 public:
  CaptivePortalBrowserTest();

  // InProcessBrowserTest:
  virtual void SetUpOnMainThread() OVERRIDE;
  virtual void CleanUpOnMainThread() OVERRIDE;

  // Sets the captive portal checking preference.  Does not affect the command
  // line flag, which is set in SetUpCommandLine.
  void EnableCaptivePortalDetection(Profile* profile, bool enabled);

  // Sets up the captive portal service for the given profile so that
  // all checks go to |test_url|.  Also disables all timers.
  void SetUpCaptivePortalService(Profile* profile, const GURL& test_url);

  // Returns true if |browser|'s profile is currently running a captive portal
  // check.
  bool CheckPending(Browser* browser);

  // Returns the CaptivePortalTabReloader::State of |web_contents|.
  CaptivePortalTabReloader::State GetStateOfTabReloader(
      WebContents* web_contents) const;

  // Returns the CaptivePortalTabReloader::State of the indicated tab.
  CaptivePortalTabReloader::State GetStateOfTabReloaderAt(Browser* browser,
                                                          int index) const;

  // Returns the number of tabs with the given state, across all profiles.
  int NumTabsWithState(CaptivePortalTabReloader::State state) const;

  // Returns the number of tabs broken by captive portals, across all profiles.
  int NumBrokenTabs() const;

  // Returns the number of tabs that need to be reloaded due to having logged
  // in to a captive portal, across all profiles.
  int NumNeedReloadTabs() const;

  // Navigates |browser|'s active tab to |url| and expects no captive portal
  // test to be triggered.  |expected_navigations| is the number of times the
  // active tab will end up being navigated.  It should be 1, except for the
  // Link Doctor page, which acts like two navigations.
  void NavigateToPageExpectNoTest(Browser* browser,
                                  const GURL& url,
                                  int expected_navigations);

  // Navigates |browser|'s active tab to an SSL tab that takes a while to load,
  // triggering a captive portal check, which is expected to give the result
  // |expected_result|.  The page finishes loading, with a timeout, after the
  // captive portal check.
  void SlowLoadNoCaptivePortal(Browser* browser, Result expected_result);

  // Navigates |browser|'s active tab to an SSL timeout, expecting a captive
  // portal check to be triggered and return a result which will indicates
  // there's no detected captive portal.
  void FastTimeoutNoCaptivePortal(Browser* browser, Result expected_result);

  // Navigates the active tab to a slow loading SSL page, which will then
  // trigger a captive portal test.  The test is expected to find a captive
  // portal.  The slow loading page will continue to load after the function
  // returns, until URLRequestTimeoutOnDemandJob::FailJobs() is called,
  // at which point it will timeout.
  //
  // When |expect_login_tab| is false, no login tab is expected to be opened,
  // because one already exists, and the function returns once the captive
  // portal test is complete.
  //
  // If |expect_login_tab| is true, a login tab is then expected to be opened.
  // It waits until both the login tab has finished loading, and two captive
  // portal tests complete.  The second test is triggered by the load of the
  // captive portal tab completing.
  //
  // This function must not be called when the active tab is currently loading.
  // Waits for the hanging request to be issued, so other functions can rely
  // on URLRequestTimeoutOnDemandJob::WaitForJobs having been called.
  void SlowLoadBehindCaptivePortal(Browser* browser, bool expect_login_tab);

  // Same as above, but takes extra parameters.
  //
  // |hanging_url| should either be kMockHttpsUrl or redirect to kMockHttpsUrl.
  //
  // |expected_portal_checks| and |expected_login_tab_navigations| allow
  // client-side redirects to be tested.  |expected_login_tab_navigations| is
  // ignored when |expect_open_login_tab| is false.
  void SlowLoadBehindCaptivePortal(Browser* browser,
                                   bool expect_open_login_tab,
                                   const GURL& hanging_url,
                                   int expected_portal_checks,
                                   int expected_login_tab_navigations);

  // Just like SlowLoadBehindCaptivePortal, except the navigated tab has
  // a connection timeout rather having its time trigger, and the function
  // waits until that timeout occurs.
  void FastTimeoutBehindCaptivePortal(Browser* browser,
                                      bool expect_open_login_tab);

  // Much as above, but accepts a URL parameter and can be used for errors that
  // trigger captive portal checks other than timeouts.  |error_url| should
  // result in an error rather than hanging.
  void FastErrorBehindCaptivePortal(Browser* browser,
                                    bool expect_open_login_tab,
                                    const GURL& error_url);

  // Navigates the login tab without logging in.  The login tab must be the
  // specified browser's active tab.  Expects no other tab to change state.
  // |num_loading_tabs| and |num_timed_out_tabs| are used as extra checks
  // that nothing has gone wrong prior to the function call.
  void NavigateLoginTab(Browser* browser,
                        int num_loading_tabs,
                        int num_timed_out_tabs);

  // Simulates a login by updating the URLRequestMockCaptivePortalJob's
  // behind captive portal state, and navigating the login tab.  Waits for
  // all broken but not loading tabs to be reloaded.
  // |num_loading_tabs| and |num_timed_out_tabs| are used as extra checks
  // that nothing has gone wrong prior to the function call.
  void Login(Browser* browser, int num_loading_tabs, int num_timed_out_tabs);

  // Makes the slow SSL loads of all active tabs time out at once, and waits for
  // them to finish both that load and the automatic reload it should trigger.
  // There should be no timed out tabs when this is called.
  void FailLoadsAfterLogin(Browser* browser, int num_loading_tabs);

  // Makes the slow SSL loads of all active tabs time out at once, and waits for
  // them to finish displaying their error pages.  The login tab should be the
  // active tab.  There should be no timed out tabs when this is called.
  void FailLoadsWithoutLogin(Browser* browser, int num_loading_tabs);

  // Navigates |browser|'s active tab to |starting_url| while not behind a
  // captive portal.  Then navigates to |interrupted_url|, which should create
  // a URLRequestTimeoutOnDemandJob, which is then abandoned.  The load should
  // trigger a captive portal check, which finds a captive portal and opens a
  // tab.
  //
  // Then the navigation is interrupted by a navigation to |timeout_url|, which
  // should trigger a captive portal check, and finally the test simulates
  // logging in.
  //
  // The purpose of this test is to make sure the TabHelper triggers a captive
  // portal check when a load is interrupted by another load, particularly in
  // the case of cross-process navigations.
  void RunNavigateLoadingTabToTimeoutTest(Browser* browser,
                                          const GURL& starting_url,
                                          const GURL& interrupted_url,
                                          const GURL& timeout_url);

  // Sets the timeout used by a CaptivePortalTabReloader on slow SSL loads
  // before a captive portal check.
  void SetSlowSSLLoadTime(CaptivePortalTabReloader* tab_reloader,
                          base::TimeDelta slow_ssl_load_time);

  CaptivePortalTabReloader* GetTabReloader(WebContents* web_contents) const;

 private:
  DISALLOW_COPY_AND_ASSIGN(CaptivePortalBrowserTest);
};

CaptivePortalBrowserTest::CaptivePortalBrowserTest() {
}

void CaptivePortalBrowserTest::SetUpOnMainThread() {
  // Enable mock requests.
  content::BrowserThread::PostTask(
      content::BrowserThread::IO, FROM_HERE,
      base::Bind(&chrome_browser_net::SetUrlRequestMocksEnabled, true));
  URLRequestMockCaptivePortalJobFactory::AddUrlHandlers();

  // Double-check that the captive portal service isn't enabled by default for
  // browser tests.
  EXPECT_EQ(CaptivePortalService::DISABLED_FOR_TESTING,
            CaptivePortalService::get_state_for_testing());

  CaptivePortalService::set_state_for_testing(
      CaptivePortalService::SKIP_OS_CHECK_FOR_TESTING);
  EnableCaptivePortalDetection(browser()->profile(), true);

  // Set the captive portal service to use URLRequestMockCaptivePortalJob's
  // mock URL, by default.
  SetUpCaptivePortalService(browser()->profile(),
                            GURL(kMockCaptivePortalTestUrl));
}

void CaptivePortalBrowserTest::CleanUpOnMainThread() {
  // No test should have a captive portal check pending on quit.
  EXPECT_FALSE(CheckPending(browser()));
}

void CaptivePortalBrowserTest::EnableCaptivePortalDetection(
    Profile* profile, bool enabled) {
  profile->GetPrefs()->SetBoolean(prefs::kAlternateErrorPagesEnabled, enabled);
}

void CaptivePortalBrowserTest::SetUpCaptivePortalService(Profile* profile,
                                                         const GURL& test_url) {
  CaptivePortalService* captive_portal_service =
      CaptivePortalServiceFactory::GetForProfile(profile);
  captive_portal_service->set_test_url(test_url);

  // Don't use any non-zero timers.  Timers are checked in unit tests.
  CaptivePortalService::RecheckPolicy* recheck_policy =
      &captive_portal_service->recheck_policy();
  recheck_policy->initial_backoff_no_portal_ms = 0;
  recheck_policy->initial_backoff_portal_ms = 0;
  recheck_policy->backoff_policy.maximum_backoff_ms = 0;
}

bool CaptivePortalBrowserTest::CheckPending(Browser* browser) {
  CaptivePortalService* captive_portal_service =
      CaptivePortalServiceFactory::GetForProfile(browser->profile());

  return captive_portal_service->DetectionInProgress() ||
      captive_portal_service->TimerRunning();
}

CaptivePortalTabReloader::State CaptivePortalBrowserTest::GetStateOfTabReloader(
    WebContents* web_contents) const {
  return GetTabReloader(web_contents)->state();
}

CaptivePortalTabReloader::State
CaptivePortalBrowserTest::GetStateOfTabReloaderAt(Browser* browser,
                                                  int index) const {
  return GetStateOfTabReloader(
      browser->tab_strip_model()->GetWebContentsAt(index));
}

int CaptivePortalBrowserTest::NumTabsWithState(
    CaptivePortalTabReloader::State state) const {
  int num_tabs = 0;
  for (TabContentsIterator it; !it.done(); it.Next()) {
    if (GetStateOfTabReloader(*it) == state)
      ++num_tabs;
  }
  return num_tabs;
}

int CaptivePortalBrowserTest::NumBrokenTabs() const {
  return NumTabsWithState(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL);
}

int CaptivePortalBrowserTest::NumNeedReloadTabs() const {
  return NumTabsWithState(CaptivePortalTabReloader::STATE_NEEDS_RELOAD);
}

void CaptivePortalBrowserTest::NavigateToPageExpectNoTest(
    Browser* browser,
    const GURL& url,
    int expected_navigations) {
  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser->profile());

  ui_test_utils::NavigateToURLBlockUntilNavigationsComplete(
      browser, url, expected_navigations);

  // No captive portal checks should have ocurred or be pending, and there
  // should be no new tabs.
  EXPECT_EQ(0, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser));
  EXPECT_EQ(1, browser->tab_strip_model()->count());
  EXPECT_EQ(expected_navigations, navigation_observer.num_navigations());
  EXPECT_EQ(0, NumLoadingTabs());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser, 0));
}

void CaptivePortalBrowserTest::SlowLoadNoCaptivePortal(
    Browser* browser, Result expected_result) {
  CaptivePortalTabReloader* tab_reloader =
      GetTabReloader(browser->tab_strip_model()->GetActiveWebContents());
  ASSERT_TRUE(tab_reloader);
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta());

  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser->profile());
  ui_test_utils::NavigateToURLWithDisposition(browser,
                                              GURL(kMockHttpsUrl),
                                              CURRENT_TAB,
                                              ui_test_utils::BROWSER_TEST_NONE);

  portal_observer.WaitForResults(1);

  ASSERT_EQ(1, browser->tab_strip_model()->count());
  EXPECT_EQ(expected_result, portal_observer.captive_portal_result());
  EXPECT_EQ(1, portal_observer.num_results_received());
  EXPECT_EQ(0, navigation_observer.num_navigations());
  EXPECT_FALSE(CheckPending(browser));

  // First tab should still be loading.
  EXPECT_EQ(1, NumLoadingTabs());

  // Wait for the request to be issued, then time it out.
  URLRequestTimeoutOnDemandJob::WaitForJobs(1);
  URLRequestTimeoutOnDemandJob::FailJobs(1);
  navigation_observer.WaitForNavigations(1);

  ASSERT_EQ(1, browser->tab_strip_model()->count());
  EXPECT_EQ(1, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser));
  EXPECT_EQ(0, NumLoadingTabs());

  // Set a slow SSL load time to prevent the timer from triggering.
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromDays(1));
}

void CaptivePortalBrowserTest::FastTimeoutNoCaptivePortal(
    Browser* browser, Result expected_result) {
  ASSERT_NE(expected_result, RESULT_BEHIND_CAPTIVE_PORTAL);

  // Set the load time to be large, so the timer won't trigger.  The value is
  // not restored at the end of the function.
  CaptivePortalTabReloader* tab_reloader =
      GetTabReloader(browser->tab_strip_model()->GetActiveWebContents());
  ASSERT_TRUE(tab_reloader);
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromHours(1));

  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser->profile());

  // Neither of these should be changed by the navigation.
  int active_index = browser->tab_strip_model()->active_index();
  int expected_tab_count = browser->tab_strip_model()->count();

  ui_test_utils::NavigateToURL(
      browser,
      URLRequestFailedJob::GetMockHttpsUrl(net::ERR_CONNECTION_TIMED_OUT));

  // An attempt to detect a captive portal should have started by now.  If not,
  // abort early to prevent hanging.
  ASSERT_TRUE(portal_observer.num_results_received() > 0 ||
              CheckPending(browser));

  portal_observer.WaitForResults(1);
  navigation_observer.WaitForNavigations(1);

  // Check the result.
  EXPECT_EQ(1, portal_observer.num_results_received());
  EXPECT_EQ(expected_result, portal_observer.captive_portal_result());

  // Check that the right tab was navigated, and there were no extra
  // navigations.
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   browser->tab_strip_model()->GetWebContentsAt(active_index)));
  EXPECT_EQ(0, NumLoadingTabs());

  // Check the tab's state, and verify no captive portal check is pending.
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser, 0));
  EXPECT_FALSE(CheckPending(browser));

  // Make sure no login tab was opened.
  EXPECT_EQ(expected_tab_count, browser->tab_strip_model()->count());
}

void CaptivePortalBrowserTest::SlowLoadBehindCaptivePortal(
    Browser* browser,
    bool expect_open_login_tab) {
  SlowLoadBehindCaptivePortal(browser,
                              expect_open_login_tab,
                              GURL(kMockHttpsUrl),
                              1,
                              1);
}

void CaptivePortalBrowserTest::SlowLoadBehindCaptivePortal(
    Browser* browser,
    bool expect_open_login_tab,
    const GURL& hanging_url,
    int expected_portal_checks,
    int expected_login_tab_navigations) {
  ASSERT_GE(expected_portal_checks, 1);
  TabStripModel* tab_strip_model = browser->tab_strip_model();
  // Calling this on a tab that's waiting for a load to manually be timed out
  // will result in a hang.
  ASSERT_FALSE(tab_strip_model->GetActiveWebContents()->IsLoading());

  // Trigger a captive portal check quickly.
  CaptivePortalTabReloader* tab_reloader =
      GetTabReloader(tab_strip_model->GetActiveWebContents());
  ASSERT_TRUE(tab_reloader);
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta());

  // Number of tabs expected to be open after the captive portal checks
  // have completed.
  int initial_tab_count = tab_strip_model->count();
  int initial_active_index = tab_strip_model->active_index();
  int initial_loading_tabs = NumLoadingTabs();
  int expected_broken_tabs = NumBrokenTabs();
  if (CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL !=
          GetStateOfTabReloader(tab_strip_model->GetActiveWebContents())) {
    ++expected_broken_tabs;
  }

  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser->profile());
  ui_test_utils::NavigateToURLWithDisposition(browser,
                                              hanging_url,
                                              CURRENT_TAB,
                                              ui_test_utils::BROWSER_TEST_NONE);
  portal_observer.WaitForResults(expected_portal_checks);

  if (expect_open_login_tab) {
    ASSERT_GE(expected_login_tab_navigations, 1);

    navigation_observer.WaitForNavigations(expected_login_tab_navigations);

    ASSERT_EQ(initial_tab_count + 1, tab_strip_model->count());
    EXPECT_EQ(initial_tab_count, tab_strip_model->active_index());

    EXPECT_EQ(expected_login_tab_navigations,
              navigation_observer.NumNavigationsForTab(
                  tab_strip_model->GetWebContentsAt(initial_tab_count)));
    EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
              GetStateOfTabReloaderAt(browser, 1));
    EXPECT_TRUE(IsLoginTab(tab_strip_model->GetWebContentsAt(1)));
  } else {
    EXPECT_EQ(0, navigation_observer.num_navigations());
    EXPECT_EQ(initial_active_index, tab_strip_model->active_index());
    ASSERT_EQ(initial_tab_count, tab_strip_model->count());
    EXPECT_EQ(initial_active_index, tab_strip_model->active_index());
  }

  // Wait for all the expect resource loads to actually start, so subsequent
  // functions can rely on them having started.
  URLRequestTimeoutOnDemandJob::WaitForJobs(initial_loading_tabs + 1);

  EXPECT_EQ(initial_loading_tabs + 1, NumLoadingTabs());
  EXPECT_EQ(expected_broken_tabs, NumBrokenTabs());
  EXPECT_EQ(RESULT_BEHIND_CAPTIVE_PORTAL,
            portal_observer.captive_portal_result());
  EXPECT_EQ(expected_portal_checks, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser));

  EXPECT_EQ(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL,
            GetStateOfTabReloaderAt(browser, initial_active_index));

  // Reset the load time to be large, so the timer won't trigger on a reload.
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromHours(1));
}

void CaptivePortalBrowserTest::FastTimeoutBehindCaptivePortal(
    Browser* browser,
    bool expect_open_login_tab) {
  FastErrorBehindCaptivePortal(browser,
                               expect_open_login_tab,
                               GURL(kMockHttpsQuickTimeoutUrl));
}

void CaptivePortalBrowserTest::FastErrorBehindCaptivePortal(
    Browser* browser,
    bool expect_open_login_tab,
    const GURL& error_url) {
  TabStripModel* tab_strip_model = browser->tab_strip_model();
  // Calling this on a tab that's waiting for a load to manually be timed out
  // will result in a hang.
  ASSERT_FALSE(tab_strip_model->GetActiveWebContents()->IsLoading());

  // Set the load time to be large, so the timer won't trigger.  The value is
  // not restored at the end of the function.
  CaptivePortalTabReloader* tab_reloader =
      GetTabReloader(tab_strip_model->GetActiveWebContents());
  ASSERT_TRUE(tab_reloader);
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromHours(1));

  // Number of tabs expected to be open after the captive portal checks
  // have completed.
  int initial_tab_count = tab_strip_model->count();
  int initial_active_index = tab_strip_model->active_index();
  int initial_loading_tabs = NumLoadingTabs();
  int expected_broken_tabs = NumBrokenTabs();
  if (CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL !=
          GetStateOfTabReloader(tab_strip_model->GetActiveWebContents())) {
    ++expected_broken_tabs;
  }

  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser->profile());
  ui_test_utils::NavigateToURLWithDisposition(browser,
                                              error_url,
                                              CURRENT_TAB,
                                              ui_test_utils::BROWSER_TEST_NONE);
  portal_observer.WaitForResults(1);

  if (expect_open_login_tab) {
    navigation_observer.WaitForNavigations(2);
    ASSERT_EQ(initial_tab_count + 1, tab_strip_model->count());
    EXPECT_EQ(initial_tab_count, tab_strip_model->active_index());
    // Make sure that the originally active tab and the captive portal tab have
    // each loaded once.
    EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                     tab_strip_model->GetWebContentsAt(initial_active_index)));
    EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                     tab_strip_model->GetWebContentsAt(initial_tab_count)));
    EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
              GetStateOfTabReloaderAt(browser, 1));
    EXPECT_TRUE(IsLoginTab(tab_strip_model->GetWebContentsAt(1)));
  } else {
    navigation_observer.WaitForNavigations(1);
    EXPECT_EQ(initial_active_index, tab_strip_model->active_index());
    EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                     tab_strip_model->GetWebContentsAt(initial_active_index)));
    ASSERT_EQ(initial_tab_count, tab_strip_model->count());
    EXPECT_EQ(initial_active_index, tab_strip_model->active_index());
  }

  EXPECT_EQ(initial_loading_tabs, NumLoadingTabs());
  EXPECT_EQ(expected_broken_tabs, NumBrokenTabs());
  EXPECT_EQ(RESULT_BEHIND_CAPTIVE_PORTAL,
            portal_observer.captive_portal_result());
  EXPECT_EQ(1, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser));

  EXPECT_EQ(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL,
            GetStateOfTabReloaderAt(browser, initial_active_index));
}

void CaptivePortalBrowserTest::NavigateLoginTab(Browser* browser,
                                                int num_loading_tabs,
                                                int num_timed_out_tabs) {
  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser->profile());

  TabStripModel* tab_strip_model = browser->tab_strip_model();
  int initial_tab_count = tab_strip_model->count();
  EXPECT_EQ(num_loading_tabs, NumLoadingTabs());
  EXPECT_EQ(num_timed_out_tabs, NumBrokenTabs() - NumLoadingTabs());

  int login_tab_index = tab_strip_model->active_index();
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloader(tab_strip_model->GetActiveWebContents()));
  ASSERT_TRUE(IsLoginTab(browser->tab_strip_model()->GetActiveWebContents()));

  // Do the navigation.
  content::RenderFrameHost* render_frame_host =
      tab_strip_model->GetActiveWebContents()->GetMainFrame();
  render_frame_host->ExecuteJavaScript(base::ASCIIToUTF16("submitForm()"));

  portal_observer.WaitForResults(1);
  navigation_observer.WaitForNavigations(1);

  // Check the captive portal result.
  EXPECT_EQ(RESULT_BEHIND_CAPTIVE_PORTAL,
            portal_observer.captive_portal_result());
  EXPECT_EQ(1, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser));

  // Make sure not much has changed.
  EXPECT_EQ(initial_tab_count, tab_strip_model->count());
  EXPECT_EQ(num_loading_tabs, NumLoadingTabs());
  EXPECT_EQ(num_loading_tabs + num_timed_out_tabs, NumBrokenTabs());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser, login_tab_index));
  EXPECT_TRUE(IsLoginTab(tab_strip_model->GetWebContentsAt(login_tab_index)));

  // Make sure there were no unexpected navigations.
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(login_tab_index)));
}

void CaptivePortalBrowserTest::Login(Browser* browser,
                                     int num_loading_tabs,
                                     int num_timed_out_tabs) {
  // Simulate logging in.
  URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortal(false);

  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser->profile());

  TabStripModel* tab_strip_model = browser->tab_strip_model();
  int initial_tab_count = tab_strip_model->count();
  ASSERT_EQ(num_loading_tabs, NumLoadingTabs());
  EXPECT_EQ(num_timed_out_tabs, NumBrokenTabs() - NumLoadingTabs());

  // Verify that the login page is on top.
  int login_tab_index = tab_strip_model->active_index();
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser, login_tab_index));
  ASSERT_TRUE(IsLoginTab(tab_strip_model->GetWebContentsAt(login_tab_index)));

  // Trigger a navigation.
  content::RenderFrameHost* render_frame_host =
      tab_strip_model->GetActiveWebContents()->GetMainFrame();
  render_frame_host->ExecuteJavaScript(base::ASCIIToUTF16("submitForm()"));

  portal_observer.WaitForResults(1);

  // Wait for all the timed out tabs to reload.
  navigation_observer.WaitForNavigations(1 + num_timed_out_tabs);
  EXPECT_EQ(1, portal_observer.num_results_received());

  // The tabs that were loading before should still be loading, and now be in
  // STATE_NEEDS_RELOAD.
  EXPECT_EQ(0, NumBrokenTabs());
  EXPECT_EQ(num_loading_tabs, NumLoadingTabs());
  EXPECT_EQ(num_loading_tabs, NumNeedReloadTabs());

  // Make sure that the broken tabs have reloaded, and there's no more
  // captive portal tab.
  EXPECT_EQ(initial_tab_count, tab_strip_model->count());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser, login_tab_index));
  EXPECT_FALSE(IsLoginTab(tab_strip_model->GetWebContentsAt(login_tab_index)));

  // Make sure there were no unexpected navigations of the login tab.
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(login_tab_index)));
}

void CaptivePortalBrowserTest::FailLoadsAfterLogin(Browser* browser,
                                                   int num_loading_tabs) {
  ASSERT_EQ(num_loading_tabs, NumLoadingTabs());
  ASSERT_EQ(num_loading_tabs, NumNeedReloadTabs());
  EXPECT_EQ(0, NumBrokenTabs());

  TabStripModel* tab_strip_model = browser->tab_strip_model();
  int initial_num_tabs = tab_strip_model->count();
  int initial_active_tab = tab_strip_model->active_index();

  CaptivePortalObserver portal_observer(browser->profile());
  FailLoadsAfterLoginObserver fail_loads_observer;
  // Connection(s) finally time out.  There should have already been a call
  // to wait for the requests to be issued before logging on.
  URLRequestTimeoutOnDemandJob::WaitForJobs(num_loading_tabs);
  URLRequestTimeoutOnDemandJob::FailJobs(num_loading_tabs);

  fail_loads_observer.WaitForNavigations();

  // No captive portal checks should have ocurred or be pending, and there
  // should be no new tabs.
  EXPECT_EQ(0, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser));
  EXPECT_EQ(initial_num_tabs, tab_strip_model->count());

  EXPECT_EQ(initial_active_tab, tab_strip_model->active_index());

  EXPECT_EQ(0, NumNeedReloadTabs());
  EXPECT_EQ(0, NumLoadingTabs());
}

void CaptivePortalBrowserTest::FailLoadsWithoutLogin(Browser* browser,
                                                     int num_loading_tabs) {
  ASSERT_EQ(num_loading_tabs, NumLoadingTabs());
  ASSERT_EQ(0, NumNeedReloadTabs());
  EXPECT_EQ(num_loading_tabs, NumBrokenTabs());

  TabStripModel* tab_strip_model = browser->tab_strip_model();
  int initial_num_tabs = tab_strip_model->count();
  int login_tab = tab_strip_model->active_index();
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloader(tab_strip_model->GetActiveWebContents()));
  ASSERT_TRUE(IsLoginTab(tab_strip_model->GetActiveWebContents()));

  CaptivePortalObserver portal_observer(browser->profile());
  MultiNavigationObserver navigation_observer;
  // Connection(s) finally time out.  There should have already been a call
  // to wait for the requests to be issued.
  URLRequestTimeoutOnDemandJob::FailJobs(num_loading_tabs);

  navigation_observer.WaitForNavigations(num_loading_tabs);

  // No captive portal checks should have ocurred or be pending, and there
  // should be no new tabs.
  EXPECT_EQ(0, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser));
  EXPECT_EQ(initial_num_tabs, tab_strip_model->count());

  EXPECT_EQ(0, NumNeedReloadTabs());
  EXPECT_EQ(0, NumLoadingTabs());
  EXPECT_EQ(num_loading_tabs, NumBrokenTabs());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloader(tab_strip_model->GetActiveWebContents()));
  EXPECT_TRUE(IsLoginTab(tab_strip_model->GetActiveWebContents()));
  EXPECT_EQ(login_tab, tab_strip_model->active_index());

  EXPECT_EQ(0, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(login_tab)));
}

void CaptivePortalBrowserTest::RunNavigateLoadingTabToTimeoutTest(
    Browser* browser,
    const GURL& starting_url,
    const GURL& hanging_url,
    const GURL& timeout_url) {
  // Temporarily disable the captive portal and navigate to the starting
  // URL, which may be a URL that will hang when behind a captive portal.
  URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortal(false);
  NavigateToPageExpectNoTest(browser, starting_url, 1);
  URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortal(true);

  // Go to the first hanging url.
  SlowLoadBehindCaptivePortal(browser, true, hanging_url, 1, 1);

  // Abandon the request.
  URLRequestTimeoutOnDemandJob::WaitForJobs(1);
  URLRequestTimeoutOnDemandJob::AbandonJobs(1);

  TabStripModel* tab_strip_model = browser->tab_strip_model();
  CaptivePortalTabReloader* tab_reloader =
      GetTabReloader(tab_strip_model->GetWebContentsAt(0));
  ASSERT_TRUE(tab_reloader);

  // A non-zero delay makes it more likely that CaptivePortalTabHelper will
  // be confused by events relating to canceling the old navigation.
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromSeconds(2));
  CaptivePortalObserver portal_observer(browser->profile());

  // Navigate the error tab to another slow loading page.  Can't have
  // ui_test_utils do the navigation because it will wait for loading tabs to
  // stop loading before navigating.
  //
  // This may result in either 0 or 1 DidStopLoading events.  If there is one,
  // it must happen before the CaptivePortalService sends out its test request,
  // so waiting for PortalObserver to see that request prevents it from
  // confusing the MultiNavigationObservers used later.
  tab_strip_model->ActivateTabAt(0, true);
  browser->OpenURL(content::OpenURLParams(timeout_url,
                                          content::Referrer(),
                                          CURRENT_TAB,
                                          content::PAGE_TRANSITION_TYPED,
                                          false));
  portal_observer.WaitForResults(1);
  EXPECT_FALSE(CheckPending(browser));
  EXPECT_EQ(1, NumLoadingTabs());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL,
            GetStateOfTabReloaderAt(browser, 0));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser, 1));
  ASSERT_TRUE(IsLoginTab(tab_strip_model->GetWebContentsAt(1)));

  // Need to make sure the request has been issued before logging in.
  URLRequestTimeoutOnDemandJob::WaitForJobs(1);

  // Simulate logging in.
  tab_strip_model->ActivateTabAt(1, true);
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromDays(1));
  Login(browser, 1, 0);

  // Timeout occurs, and page is automatically reloaded.
  FailLoadsAfterLogin(browser, 1);
}

void CaptivePortalBrowserTest::SetSlowSSLLoadTime(
    CaptivePortalTabReloader* tab_reloader,
    base::TimeDelta slow_ssl_load_time) {
  tab_reloader->set_slow_ssl_load_time(slow_ssl_load_time);
}

CaptivePortalTabReloader* CaptivePortalBrowserTest::GetTabReloader(
    WebContents* web_contents) const {
  return CaptivePortalTabHelper::FromWebContents(web_contents)->
      GetTabReloaderForTest();
}

// Make sure there's no test for a captive portal on HTTP timeouts.  This will
// also trigger the link doctor page, which results in the load of a second
// error page.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, HttpTimeout) {
  GURL url = URLRequestFailedJob::GetMockHttpUrl(net::ERR_CONNECTION_TIMED_OUT);
  NavigateToPageExpectNoTest(browser(), url, 2);
}

// Make sure there's no check for a captive portal on HTTPS errors other than
// timeouts, when they preempt the slow load timer.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, HttpsNonTimeoutError) {
  GURL url = URLRequestFailedJob::GetMockHttpsUrl(net::ERR_UNEXPECTED);
  NavigateToPageExpectNoTest(browser(), url, 1);
}

// Make sure no captive portal test triggers on HTTPS timeouts of iframes.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, HttpsIframeTimeout) {
  // Use an HTTPS server for the top level page.
  net::SpawnedTestServer https_server(
      net::SpawnedTestServer::TYPE_HTTPS, net::SpawnedTestServer::kLocalhost,
      base::FilePath(FILE_PATH_LITERAL("chrome/test/data")));
  ASSERT_TRUE(https_server.Start());

  GURL url = https_server.GetURL(kTestServerIframeTimeoutPath);
  NavigateToPageExpectNoTest(browser(), url, 1);
}

// Check the captive portal result when the test request reports a network
// error.  The check is triggered by a slow loading page, and the page
// errors out only after getting a captive portal result.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, RequestFails) {
  SetUpCaptivePortalService(
      browser()->profile(),
      URLRequestFailedJob::GetMockHttpUrl(net::ERR_CONNECTION_CLOSED));
  SlowLoadNoCaptivePortal(browser(), RESULT_NO_RESPONSE);
}

// Same as above, but for the rather unlikely case that the connection times out
// before the timer triggers.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, RequestFailsFastTimout) {
  SetUpCaptivePortalService(
      browser()->profile(),
      URLRequestFailedJob::GetMockHttpUrl(net::ERR_CONNECTION_CLOSED));
  FastTimeoutNoCaptivePortal(browser(), RESULT_NO_RESPONSE);
}

// Checks the case that captive portal detection is disabled.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, Disabled) {
  EnableCaptivePortalDetection(browser()->profile(), false);
  SlowLoadNoCaptivePortal(browser(), RESULT_INTERNET_CONNECTED);
}

// Checks that we look for a captive portal on HTTPS timeouts and don't reload
// the error tab when the captive portal probe gets a 204 response, indicating
// there is no captive portal.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, InternetConnected) {
  // Can't just use SetBehindCaptivePortal(false), since then there wouldn't
  // be a timeout.
  ASSERT_TRUE(test_server()->Start());
  SetUpCaptivePortalService(browser()->profile(),
                            test_server()->GetURL("nocontent"));
  SlowLoadNoCaptivePortal(browser(), RESULT_INTERNET_CONNECTED);
}

// Checks that no login page is opened when the HTTP test URL redirects to an
// SSL certificate error.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, RedirectSSLCertError) {
  // Need an HTTP TestServer to handle a dynamically created server redirect.
  ASSERT_TRUE(test_server()->Start());

  net::SpawnedTestServer::SSLOptions ssl_options;
  ssl_options.server_certificate =
      net::SpawnedTestServer::SSLOptions::CERT_MISMATCHED_NAME;
  net::SpawnedTestServer https_server(
      net::SpawnedTestServer::TYPE_HTTPS, ssl_options,
      base::FilePath(FILE_PATH_LITERAL("chrome/test/data")));
  ASSERT_TRUE(https_server.Start());

  GURL ssl_login_url = https_server.GetURL(kTestServerLoginPath);

  CaptivePortalService* captive_portal_service =
      CaptivePortalServiceFactory::GetForProfile(browser()->profile());
  ASSERT_TRUE(captive_portal_service);
  SetUpCaptivePortalService(
      browser()->profile(),
      test_server()->GetURL(CreateServerRedirect(ssl_login_url.spec())));

  SlowLoadNoCaptivePortal(browser(), RESULT_NO_RESPONSE);
}

// A slow SSL load triggers a captive portal check.  The user logs on before
// the SSL page times out.  We wait for the timeout and subsequent reload.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, Login) {
  // Load starts, detect captive portal and open up a login tab.
  SlowLoadBehindCaptivePortal(browser(), true);

  // Log in.  One loading tab, no timed out ones.
  Login(browser(), 1, 0);

  // Timeout occurs, and page is automatically reloaded.
  FailLoadsAfterLogin(browser(), 1);
}

// Same as above, except we make sure everything works with an incognito
// profile.  Main issues it tests for are that the incognito has its own
// non-NULL captive portal service, and we open the tab in the correct
// window.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, LoginIncognito) {
  // This will watch tabs for both profiles, but only used to make sure no
  // navigations occur for the non-incognito profile.
  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver non_incognito_portal_observer(browser()->profile());

  Browser* incognito_browser = CreateIncognitoBrowser();
  EnableCaptivePortalDetection(incognito_browser->profile(), true);
  SetUpCaptivePortalService(incognito_browser->profile(),
                            GURL(kMockCaptivePortalTestUrl));

  SlowLoadBehindCaptivePortal(incognito_browser, true);

  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  EXPECT_EQ(1, tab_strip_model->count());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 0));

  Login(incognito_browser, 1, 0);
  FailLoadsAfterLogin(incognito_browser, 1);

  EXPECT_EQ(1, tab_strip_model->count());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 0));

  EXPECT_EQ(0, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(0)));
  EXPECT_EQ(0, non_incognito_portal_observer.num_results_received());
}

// The captive portal page is opened before the SSL page times out,
// but the user logs in only after the page times out.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, LoginSlow) {
  SlowLoadBehindCaptivePortal(browser(), true);
  FailLoadsWithoutLogin(browser(), 1);
  Login(browser(), 0, 1);
}

// Checks the unlikely case that the tab times out before the timer triggers.
// This most likely won't happen, but should still work:
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, LoginFastTimeout) {
  FastTimeoutBehindCaptivePortal(browser(), true);
  Login(browser(), 0, 1);
}

// A cert error triggers a captive portal check and results in opening a login
// tab.  The user then logs in and the page with the error is reloaded.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, SSLCertErrorLogin) {
  // Need an HTTP TestServer to handle a dynamically created server redirect.
  ASSERT_TRUE(test_server()->Start());

  net::SpawnedTestServer::SSLOptions https_options;
  https_options.server_certificate =
      net::SpawnedTestServer::SSLOptions::CERT_MISMATCHED_NAME;
  net::SpawnedTestServer https_server(
      net::SpawnedTestServer::TYPE_HTTPS, https_options,
      base::FilePath(FILE_PATH_LITERAL("chrome/test/data")));
  ASSERT_TRUE(https_server.Start());

  // The path does not matter.
  GURL cert_error_url = https_server.GetURL(kTestServerLoginPath);
  // The interstitial should trigger a captive portal check when it opens, just
  // like navigating to kMockHttpsQuickTimeoutUrl.
  FastErrorBehindCaptivePortal(browser(), true, cert_error_url);

  // Simulate logging in.  Can't use Login() because the interstitial tab looks
  // like a cross between a hung tab (Load was never committed) and a tab at an
  // error page (The load was stopped).
  URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortal(false);
  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser()->profile());

  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  content::RenderFrameHost* render_frame_host =
      tab_strip_model->GetActiveWebContents()->GetMainFrame();
  render_frame_host->ExecuteJavaScript(base::ASCIIToUTF16("submitForm()"));

  // The captive portal tab navigation will trigger a captive portal check,
  // and reloading the original tab will bring up the interstitial page again,
  // triggering a second captive portal check.
  portal_observer.WaitForResults(2);

  // Wait for both tabs to finish loading.
  navigation_observer.WaitForNavigations(2);
  EXPECT_EQ(2, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser()));
  EXPECT_EQ(captive_portal::RESULT_INTERNET_CONNECTED,
            portal_observer.captive_portal_result());

  // Check state of tabs.  While the first tab is still displaying an
  // interstitial page, since no portal was found, it should be in STATE_NONE,
  // as should the login tab.
  ASSERT_EQ(2, tab_strip_model->count());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 0));
  EXPECT_FALSE(IsLoginTab(tab_strip_model->GetWebContentsAt(1)));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 1));

  // Make sure only one navigation was for the login tab.
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(1)));
}

// Tries navigating both the tab that encounters an SSL timeout and the
// login tab twice, only logging in the second time.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, LoginExtraNavigations) {
  FastTimeoutBehindCaptivePortal(browser(), true);

  // Activate the timed out tab and navigate it to a timeout again.
  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  tab_strip_model->ActivateTabAt(0, true);
  FastTimeoutBehindCaptivePortal(browser(), false);

  // Activate and navigate the captive portal tab.  This should not trigger a
  // reload of the tab with the error.
  tab_strip_model->ActivateTabAt(1, true);
  NavigateLoginTab(browser(), 0, 1);

  // Simulate logging in.
  Login(browser(), 0, 1);
}

// After the first SSL timeout, closes the login tab and makes sure it's opened
// it again on a second timeout.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, CloseLoginTab) {
  // First load starts, opens a login tab, and then times out.
  SlowLoadBehindCaptivePortal(browser(), true);
  FailLoadsWithoutLogin(browser(), 1);

  // Close login tab.
  chrome::CloseTab(browser());

  // Go through the standard slow load login, and make sure it still works.
  SlowLoadBehindCaptivePortal(browser(), true);
  Login(browser(), 1, 0);
  FailLoadsAfterLogin(browser(), 1);
}

// Checks that two tabs with SSL timeouts in the same window work.  Both
// tabs only timeout after logging in.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, TwoBrokenTabs) {
  SlowLoadBehindCaptivePortal(browser(), true);

  // Can't set the TabReloader HTTPS timeout on a new tab without doing some
  // acrobatics, so open a new tab at a normal page, and then navigate it to a
  // timeout.
  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser()->profile());
  ui_test_utils::NavigateToURLWithDisposition(
      browser(),
      URLRequestMockHTTPJob::GetMockUrl(
          base::FilePath(FILE_PATH_LITERAL("title2.html"))),
      NEW_FOREGROUND_TAB,
      ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);

  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  ASSERT_EQ(3, tab_strip_model->count());
  EXPECT_FALSE(CheckPending(browser()));
  EXPECT_EQ(0, portal_observer.num_results_received());
  EXPECT_EQ(1, NumLoadingTabs());
  EXPECT_EQ(1, navigation_observer.num_navigations());
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(2)));
  ASSERT_EQ(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL,
            GetStateOfTabReloaderAt(browser(), 0));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 1));
  ASSERT_TRUE(IsLoginTab(tab_strip_model->GetWebContentsAt(1)));
  ASSERT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 2));
  ASSERT_EQ(2, tab_strip_model->active_index());

  SlowLoadBehindCaptivePortal(browser(), false);

  tab_strip_model->ActivateTabAt(1, true);
  Login(browser(), 2, 0);
  FailLoadsAfterLogin(browser(), 2);
}

IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, AbortLoad) {
  SlowLoadBehindCaptivePortal(browser(), true);

  // Abandon the request.
  URLRequestTimeoutOnDemandJob::WaitForJobs(1);
  URLRequestTimeoutOnDemandJob::AbandonJobs(1);

  CaptivePortalObserver portal_observer(browser()->profile());
  MultiNavigationObserver navigation_observer;

  // Switch back to the hung tab from the login tab, and abort the navigation.
  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  tab_strip_model->ActivateTabAt(0, true);
  chrome::Stop(browser());
  navigation_observer.WaitForNavigations(1);

  EXPECT_EQ(0, NumBrokenTabs());
  EXPECT_EQ(0, portal_observer.num_results_received());
  EXPECT_FALSE(CheckPending(browser()));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 0));

  tab_strip_model->ActivateTabAt(1, true);
  Login(browser(), 0, 0);
}

// Checks the case where the timed out tab is successfully navigated before
// logging in.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, NavigateBrokenTab) {
  // Go to the error page.
  SlowLoadBehindCaptivePortal(browser(), true);
  FailLoadsWithoutLogin(browser(), 1);

  // Navigate the error tab to a non-error page.
  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  tab_strip_model->ActivateTabAt(0, true);
  ui_test_utils::NavigateToURL(
      browser(), URLRequestMockHTTPJob::GetMockUrl(
                     base::FilePath(FILE_PATH_LITERAL("title2.html"))));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 0));

  // Simulate logging in.
  tab_strip_model->ActivateTabAt(1, true);
  Login(browser(), 0, 0);
}

// Checks that captive portal detection triggers correctly when a same-site
// navigation is cancelled by a navigation to the same site.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest,
                       NavigateLoadingTabToTimeoutSingleSite) {
  RunNavigateLoadingTabToTimeoutTest(
      browser(),
      GURL(kMockHttpsUrl),
      GURL(kMockHttpsUrl),
      GURL(kMockHttpsUrl));
}

// Fails on Windows only, mostly on Win7. http://crbug.com/170033
#if defined(OS_WIN)
#define MAYBE_NavigateLoadingTabToTimeoutTwoSites \
        DISABLED_NavigateLoadingTabToTimeoutTwoSites
#else
#define MAYBE_NavigateLoadingTabToTimeoutTwoSites \
        NavigateLoadingTabToTimeoutTwoSites
#endif

// Checks that captive portal detection triggers correctly when a same-site
// navigation is cancelled by a navigation to another site.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest,
                       MAYBE_NavigateLoadingTabToTimeoutTwoSites) {
  RunNavigateLoadingTabToTimeoutTest(
      browser(),
      GURL(kMockHttpsUrl),
      GURL(kMockHttpsUrl),
      GURL(kMockHttpsUrl2));
}

// Checks that captive portal detection triggers correctly when a cross-site
// navigation is cancelled by a navigation to yet another site.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest,
                       NavigateLoadingTabToTimeoutThreeSites) {
  RunNavigateLoadingTabToTimeoutTest(
      browser(),
      URLRequestMockHTTPJob::GetMockUrl(
          base::FilePath(FILE_PATH_LITERAL("title.html"))),
      GURL(kMockHttpsUrl),
      GURL(kMockHttpsUrl2));
}

// Checks that navigating a timed out tab back clears its state.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, GoBack) {
  // Navigate to a working page.
  ui_test_utils::NavigateToURL(
      browser(),
      URLRequestMockHTTPJob::GetMockUrl(
          base::FilePath(FILE_PATH_LITERAL("title2.html"))));

  // Go to the error page.
  SlowLoadBehindCaptivePortal(browser(), true);
  FailLoadsWithoutLogin(browser(), 1);

  CaptivePortalObserver portal_observer(browser()->profile());
  MultiNavigationObserver navigation_observer;

  // Activate the error page tab again and go back.
  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  tab_strip_model->ActivateTabAt(0, true);
  chrome::GoBack(browser(), CURRENT_TAB);
  navigation_observer.WaitForNavigations(1);

  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(0)));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 0));
  EXPECT_EQ(0, portal_observer.num_results_received());
}

// Checks that navigating back to a timeout triggers captive portal detection.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, GoBackToTimeout) {
  // Disable captive portal detection so the first navigation doesn't open a
  // login tab.
  EnableCaptivePortalDetection(browser()->profile(), false);

  SlowLoadNoCaptivePortal(browser(), RESULT_INTERNET_CONNECTED);

  // Navigate to a working page.
  ui_test_utils::NavigateToURL(
      browser(), URLRequestMockHTTPJob::GetMockUrl(
                     base::FilePath(FILE_PATH_LITERAL("title2.html"))));
  ASSERT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 0));

  EnableCaptivePortalDetection(browser()->profile(), true);

  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  CaptivePortalTabReloader* tab_reloader =
      GetTabReloader(tab_strip_model->GetActiveWebContents());
  ASSERT_TRUE(tab_reloader);
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta());

  // Go to the error page.
  MultiNavigationObserver navigation_observer;
  CaptivePortalObserver portal_observer(browser()->profile());
  chrome::GoBack(browser(), CURRENT_TAB);

  // Wait for the check triggered by the broken tab and for the login tab to
  // stop loading.
  portal_observer.WaitForResults(1);
  navigation_observer.WaitForNavigations(1);
  // Make sure the request has been issued.
  URLRequestTimeoutOnDemandJob::WaitForJobs(1);

  EXPECT_EQ(1, portal_observer.num_results_received());
  ASSERT_FALSE(CheckPending(browser()));
  ASSERT_EQ(RESULT_BEHIND_CAPTIVE_PORTAL,
            portal_observer.captive_portal_result());

  ASSERT_EQ(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL,
            GetStateOfTabReloaderAt(browser(), 0));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 1));
  ASSERT_TRUE(IsLoginTab(browser()->tab_strip_model()->GetWebContentsAt(1)));

  ASSERT_EQ(2, tab_strip_model->count());
  EXPECT_EQ(1, tab_strip_model->active_index());
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(1)));
  EXPECT_EQ(1, NumLoadingTabs());

  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromDays(1));
  Login(browser(), 1, 0);
  FailLoadsAfterLogin(browser(), 1);
}

// Checks that reloading a timeout triggers captive portal detection.
// Much like the last test, though the captive portal is disabled before
// the inital navigation, rather than captive portal detection.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, ReloadTimeout) {
  URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortal(false);

  // Do the first navigation while not behind a captive portal.
  TabStripModel* tab_strip_model = browser()->tab_strip_model();
  CaptivePortalObserver portal_observer(browser()->profile());
  ui_test_utils::NavigateToURL(browser(), GURL(kMockHttpsUrl));
  ASSERT_EQ(0, portal_observer.num_results_received());
  ASSERT_EQ(1, tab_strip_model->count());

  // A captive portal spontaneously appears.
  URLRequestMockCaptivePortalJobFactory::SetBehindCaptivePortal(true);

  CaptivePortalTabReloader* tab_reloader =
      GetTabReloader(tab_strip_model->GetActiveWebContents());
  ASSERT_TRUE(tab_reloader);
  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta());

  MultiNavigationObserver navigation_observer;
  tab_strip_model->GetActiveWebContents()->GetController().Reload(true);

  // Wait for the check triggered by the broken tab and for the login tab to
  // stop loading.
  portal_observer.WaitForResults(1);
  navigation_observer.WaitForNavigations(1);
  // Make sure the request has been issued.
  URLRequestTimeoutOnDemandJob::WaitForJobs(1);

  ASSERT_EQ(1, portal_observer.num_results_received());
  ASSERT_FALSE(CheckPending(browser()));
  ASSERT_EQ(RESULT_BEHIND_CAPTIVE_PORTAL,
            portal_observer.captive_portal_result());

  ASSERT_EQ(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL,
            GetStateOfTabReloaderAt(browser(), 0));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(browser(), 1));
  ASSERT_TRUE(IsLoginTab(tab_strip_model->GetWebContentsAt(1)));

  ASSERT_EQ(2, tab_strip_model->count());
  EXPECT_EQ(1, tab_strip_model->active_index());
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   tab_strip_model->GetWebContentsAt(1)));
  EXPECT_EQ(1, NumLoadingTabs());

  SetSlowSSLLoadTime(tab_reloader, base::TimeDelta::FromDays(1));
  Login(browser(), 1, 0);
  FailLoadsAfterLogin(browser(), 1);
}

// Checks the case where there are two windows, and there's an SSL timeout in
// the background one.
// Disabled:  http://crbug.com/134357
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, DISABLED_TwoWindows) {
  Browser* browser2 =
      new Browser(Browser::CreateParams(browser()->profile(),
                                        browser()->host_desktop_type()));
  // Navigate the new browser window so it'll be shown and we can pick the
  // active window.
  ui_test_utils::NavigateToURL(browser2, GURL(content::kAboutBlankURL));

  // Generally, |browser2| will be the active window.  However, if the
  // original browser window lost focus before creating the new one, such as
  // when running multiple tests at once, the original browser window may
  // remain the profile's active window.
  Browser* active_browser =
      chrome::FindTabbedBrowser(browser()->profile(), true,
                                browser()->host_desktop_type());
  Browser* inactive_browser;
  if (active_browser == browser2) {
    // When only one test is running at a time, the new browser will probably be
    // on top, but when multiple tests are running at once, this is not
    // guaranteed.
    inactive_browser = browser();
  } else {
    ASSERT_EQ(active_browser, browser());
    inactive_browser = browser2;
  }

  CaptivePortalObserver portal_observer(browser()->profile());
  MultiNavigationObserver navigation_observer;

  // Navigate the tab in the inactive browser to an SSL timeout.  Have to use
  // chrome::NavigateParams and NEW_BACKGROUND_TAB to avoid activating the
  // window.
  chrome::NavigateParams params(inactive_browser,
                                GURL(kMockHttpsQuickTimeoutUrl),
                                content::PAGE_TRANSITION_TYPED);
  params.disposition = NEW_BACKGROUND_TAB;
  params.window_action = chrome::NavigateParams::NO_ACTION;
  ui_test_utils::NavigateToURL(&params);
  navigation_observer.WaitForNavigations(2);

  // Make sure the active window hasn't changed, and its new tab is
  // active.
  ASSERT_EQ(active_browser,
            chrome::FindTabbedBrowser(browser()->profile(), true,
                                      browser()->host_desktop_type()));
  ASSERT_EQ(1, active_browser->tab_strip_model()->active_index());

  // Check that the only two navigated tabs were the new error tab in the
  // backround windows, and the login tab in the active window.
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   inactive_browser->tab_strip_model()->GetWebContentsAt(1)));
  EXPECT_EQ(1, navigation_observer.NumNavigationsForTab(
                   active_browser->tab_strip_model()->GetWebContentsAt(1)));
  EXPECT_EQ(0, NumLoadingTabs());

  // Check captive portal test results.
  portal_observer.WaitForResults(1);
  ASSERT_EQ(RESULT_BEHIND_CAPTIVE_PORTAL,
            portal_observer.captive_portal_result());
  EXPECT_EQ(1, portal_observer.num_results_received());

  // Check the inactive browser.
  EXPECT_EQ(2, inactive_browser->tab_strip_model()->count());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(inactive_browser, 0));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_BROKEN_BY_PORTAL,
            GetStateOfTabReloaderAt(inactive_browser, 1));

  // Check the active browser.
  ASSERT_EQ(2, active_browser->tab_strip_model()->count());
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(active_browser, 0));
  EXPECT_EQ(CaptivePortalTabReloader::STATE_NONE,
            GetStateOfTabReloaderAt(active_browser, 1));
  EXPECT_TRUE(
      IsLoginTab(active_browser->tab_strip_model()->GetWebContentsAt(1)));

  // Simulate logging in.
  Login(active_browser, 0, 1);
}

// An HTTP page redirects to an HTTPS page loads slowly before timing out.  A
// captive portal is found, and then the user logs in before the original page
// times out.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, HttpToHttpsRedirectLogin) {
  ASSERT_TRUE(test_server()->Start());
  SlowLoadBehindCaptivePortal(
      browser(),
      true,
      test_server()->GetURL(CreateServerRedirect(kMockHttpsUrl)),
      1,
      1);
  Login(browser(), 1, 0);
  FailLoadsAfterLogin(browser(), 1);
}

// An HTTPS page redirects to an HTTP page.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, HttpsToHttpRedirect) {
  // Use an HTTPS server for the top level page.
  net::SpawnedTestServer https_server(
      net::SpawnedTestServer::TYPE_HTTPS, net::SpawnedTestServer::kLocalhost,
      base::FilePath(FILE_PATH_LITERAL("chrome/test/data")));
  ASSERT_TRUE(https_server.Start());

  GURL http_timeout_url =
      URLRequestFailedJob::GetMockHttpUrl(net::ERR_CONNECTION_TIMED_OUT);

  // 2 navigations due to the Link Doctor.
  NavigateToPageExpectNoTest(
      browser(),
      https_server.GetURL(CreateServerRedirect(http_timeout_url.spec())),
      2);
}

// Tests the 511 response code, along with an HTML redirect to a login page.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, Status511) {
  SetUpCaptivePortalService(browser()->profile(),
                            GURL(kMockCaptivePortal511Url));
  SlowLoadBehindCaptivePortal(browser(), true, GURL(kMockHttpsUrl), 2, 2);
  Login(browser(), 1, 0);
  FailLoadsAfterLogin(browser(), 1);
}

// HSTS redirects an HTTP request to HTTPS, and the request then times out.
// A captive portal is then detected, and a login tab opened, before logging
// in.
IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, HstsLogin) {
  GURL::Replacements replacements;
  std::string scheme = "http";
  replacements.SetSchemeStr(scheme);
  GURL http_timeout_url = GURL(kMockHttpsUrl).ReplaceComponents(replacements);

  URLRequestFailedJob::GetMockHttpUrl(net::ERR_CONNECTION_TIMED_OUT);
  content::BrowserThread::PostTask(
      content::BrowserThread::IO, FROM_HERE,
      base::Bind(&AddHstsHost,
                 make_scoped_refptr(browser()->profile()->GetRequestContext()),
                 http_timeout_url.host()));

  SlowLoadBehindCaptivePortal(browser(), true, http_timeout_url, 1, 1);
  Login(browser(), 1, 0);
  FailLoadsAfterLogin(browser(), 1);
}

}  // namespace captive_portal