Move more files from chrome/test to chrome/test/base, part #7

chrome/test/tab_switching/tab_switching_test.cc

Index: chrome/test/tab_switching/tab_switching_test.cc
===================================================================
--- chrome/test/tab_switching/tab_switching_test.cc	(revision 95438)
+++ chrome/test/tab_switching/tab_switching_test.cc	(working copy)
@@ -1,195 +0,0 @@
-// Copyright (c) 2011 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 "base/command_line.h"
-#include "base/environment.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/path_service.h"
-#include "base/threading/platform_thread.h"
-#include "base/time.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/app/chrome_command_ids.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/env_vars.h"
-#include "chrome/test/automation/automation_proxy.h"
-#include "chrome/test/automation/browser_proxy.h"
-#include "chrome/test/automation/tab_proxy.h"
-#include "chrome/test/ui/ui_perf_test.h"
-#include "googleurl/src/gurl.h"
-#include "net/base/net_util.h"
-
-using base::TimeDelta;
-
-namespace {
-
-// This Automated UI test opens static files in different tabs in a proxy
-// browser. After all the tabs have opened, it switches between tabs, and notes
-// time taken for each switch. It then prints out the times on the console,
-// with the aim that the page cycler parser can interpret these numbers to
-// draw graphs for page cycler Tab Switching Performance.
-class TabSwitchingUITest : public UIPerfTest {
- public:
-  TabSwitchingUITest() {
-    PathService::Get(base::DIR_SOURCE_ROOT, &path_prefix_);
-    path_prefix_ = path_prefix_.AppendASCII("data");
-    path_prefix_ = path_prefix_.AppendASCII("tab_switching");
-
-    show_window_ = true;
-  }
-
-  void SetUp() {
-    // Set the log_file_name_ path according to the selected browser_directory_.
-    log_file_name_ = browser_directory_.AppendASCII("chrome_debug.log");
-
-    // Set the log file path for the browser test.
-    scoped_ptr<base::Environment> env(base::Environment::Create());
-#if defined(OS_WIN)
-    env->SetVar(env_vars::kLogFileName, WideToUTF8(log_file_name_.value()));
-#else
-    env->SetVar(env_vars::kLogFileName, log_file_name_.value());
-#endif
-
-    // Add the necessary arguments to Chrome's launch command for these tests.
-    AddLaunchArguments();
-
-    // Run the rest of the UITest initialization.
-    UITest::SetUp();
-  }
-
-  static const int kNumCycles = 5;
-
-  void PrintTimings(const char* label, TimeDelta timings[kNumCycles],
-    bool important) {
-      std::string times;
-      for (int i = 0; i < kNumCycles; ++i)
-        base::StringAppendF(&times, "%.2f,", timings[i].InMillisecondsF());
-      PrintResultList("times", "", label, times, "ms", important);
-  }
-
-  void RunTabSwitchingUITest(const char* label, bool important) {
-    // Shut down from window UITest sets up automatically.
-    UITest::TearDown();
-
-    TimeDelta timings[kNumCycles];
-    for (int i = 0; i < kNumCycles; ++i) {
-      // Prepare for this test run.
-      SetUp();
-
-      // Create a browser proxy.
-      browser_proxy_ = automation()->GetBrowserWindow(0);
-
-      // Open all the tabs.
-      int initial_tab_count = 0;
-      ASSERT_TRUE(browser_proxy_->GetTabCount(&initial_tab_count));
-      int new_tab_count = OpenTabs();
-      int tab_count = -1;
-      ASSERT_TRUE(browser_proxy_->GetTabCount(&tab_count));
-      ASSERT_EQ(initial_tab_count + new_tab_count, tab_count);
-
-      // Switch linearly between tabs.
-      ASSERT_TRUE(browser_proxy_->ActivateTab(0));
-      int final_tab_count = 0;
-      ASSERT_TRUE(browser_proxy_->GetTabCount(&final_tab_count));
-      for (int j = initial_tab_count; j < final_tab_count; ++j) {
-        ASSERT_TRUE(browser_proxy_->ActivateTab(j));
-        ASSERT_TRUE(browser_proxy_->WaitForTabToBecomeActive(j, 10000));
-      }
-
-      // Close the browser to force a dump of log.
-      bool application_closed = false;
-      EXPECT_TRUE(CloseBrowser(browser_proxy_.get(), &application_closed));
-
-      // Open the corresponding log file and collect average from the
-      // histogram stats generated for RenderWidgetHost_TabSwitchPaintDuration.
-      bool log_has_been_dumped = false;
-      std::string contents;
-      int max_tries = 20;
-      do {
-        log_has_been_dumped = file_util::ReadFileToString(log_file_name_,
-                                                          &contents);
-        if (!log_has_been_dumped)
-          base::PlatformThread::Sleep(100);
-      } while (!log_has_been_dumped && max_tries--);
-      ASSERT_TRUE(log_has_been_dumped) << "Failed to read the log file";
-
-      // Parse the contents to get average.
-      int64 average = 0;
-      const std::string average_str("average = ");
-      std::string::size_type pos = contents.find(
-          "Histogram: MPArch.RWH_TabSwitchPaintDuration", 0);
-      std::string::size_type comma_pos;
-      std::string::size_type number_length;
-
-      ASSERT_NE(pos, std::string::npos) <<
-        "Histogram: MPArch.RWH_TabSwitchPaintDuration wasn't found\n" <<
-        contents;
-
-      // Get the average.
-      pos = contents.find(average_str, pos);
-      comma_pos = contents.find(",", pos);
-      pos += average_str.length();
-      number_length = comma_pos - pos;
-      average = atoi(contents.substr(pos, number_length).c_str());
-
-      // Print the average and standard deviation.
-      timings[i] = TimeDelta::FromMilliseconds(average);
-
-      // Clean up from the test run.
-      UITest::TearDown();
-    }
-    PrintTimings(label, timings, important);
-  }
-
- protected:
-  // Opens new tabs. Returns the number of tabs opened.
-  int OpenTabs() {
-    // Add tabs.
-    static const char* files[] = { "espn.go.com", "bugzilla.mozilla.org",
-                                   "news.cnet.com", "www.amazon.com",
-                                   "kannada.chakradeo.net", "allegro.pl",
-                                   "ml.wikipedia.org", "www.bbc.co.uk",
-                                   "126.com", "www.altavista.com"};
-    int number_of_new_tabs_opened = 0;
-    FilePath file_name;
-    for (size_t i = 0; i < arraysize(files); ++i) {
-      file_name = path_prefix_;
-      file_name = file_name.AppendASCII(files[i]);
-      file_name = file_name.AppendASCII("index.html");
-      bool success =
-          browser_proxy_->AppendTab(net::FilePathToFileURL(file_name));
-      EXPECT_TRUE(success);
-      if (success)
-        number_of_new_tabs_opened++;
-    }
-
-    return number_of_new_tabs_opened;
-  }
-
-  FilePath path_prefix_;
-  FilePath log_file_name_;
-  scoped_refptr<BrowserProxy> browser_proxy_;
-
- private:
-  void AddLaunchArguments() {
-    launch_arguments_.AppendSwitch(switches::kEnableLogging);
-    launch_arguments_.AppendSwitch(switches::kDumpHistogramsOnExit);
-    launch_arguments_.AppendSwitchASCII(switches::kLoggingLevel, "0");
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(TabSwitchingUITest);
-};
-
-TEST_F(TabSwitchingUITest, TabSwitch) {
-  RunTabSwitchingUITest("t", true);
-}
-
-TEST_F(TabSwitchingUITest, TabSwitchRef) {
-  UseReferenceBuild();
-  RunTabSwitchingUITest("t_ref", true);
-}
-
-}  // namespace