chrome/browser/chromeos/oom_priority_manager_browsertest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/browser_process.h"
   6 #include "chrome/browser/chromeos/oom_priority_manager.h"
   7 #include "chrome/browser/ui/browser.h"
   8 #include "chrome/browser/ui/browser_commands.h"
   9 #include "chrome/browser/ui/browser_tabstrip.h"
  10 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
  11 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  12 #include "chrome/common/url_constants.h"
  13 #include "chrome/test/base/in_process_browser_test.h"
  14 #include "chrome/test/base/ui_test_utils.h"
  15 #include "content/public/browser/notification_service.h"
  16 #include "content/public/browser/notification_types.h"
  17 #include "googleurl/src/gurl.h"
  18
  19 using content::OpenURLParams;
  20
  21 namespace {
  22
  23 typedef InProcessBrowserTest OomPriorityManagerTest;
  24
  25 IN_PROC_BROWSER_TEST_F(OomPriorityManagerTest, OomPriorityManagerBasics) {
  26   using ui_test_utils::WindowedNotificationObserver;
  27
  28   // Get three tabs open.
  29   WindowedNotificationObserver load1(
  30       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
  31       content::NotificationService::AllSources());
  32   OpenURLParams open1(GURL(chrome::kChromeUIAboutURL), content::Referrer(),
  33                       CURRENT_TAB, content::PAGE_TRANSITION_TYPED, false);
  34   browser()->OpenURL(open1);
  35   load1.Wait();
  36
  37   WindowedNotificationObserver load2(
  38       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
  39       content::NotificationService::AllSources());
  40   OpenURLParams open2(GURL(chrome::kChromeUICreditsURL), content::Referrer(),
  41                       NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_TYPED,
  42                       false);
  43   browser()->OpenURL(open2);
  44   load2.Wait();
  45
  46   WindowedNotificationObserver load3(
  47       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
  48       content::NotificationService::AllSources());
  49   OpenURLParams open3(GURL(chrome::kChromeUITermsURL), content::Referrer(),
  50                       NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_TYPED,
  51                       false);
  52   browser()->OpenURL(open3);
  53   load3.Wait();
  54
  55   EXPECT_EQ(3, browser()->tab_count());
  56
  57   // Navigate the current (third) tab to a different URL, so we can test
  58   // back/forward later.
  59   WindowedNotificationObserver load4(
  60       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
  61       content::NotificationService::AllSources());
  62   OpenURLParams open4(GURL(chrome::kChromeUIVersionURL), content::Referrer(),
  63                       CURRENT_TAB, content::PAGE_TRANSITION_TYPED,
  64                       false);
  65   browser()->OpenURL(open4);
  66   load4.Wait();
  67
  68   // Navigate the third tab again, such that we have three navigation entries.
  69   WindowedNotificationObserver load5(
  70       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
  71       content::NotificationService::AllSources());
  72   OpenURLParams open5(GURL("chrome://dns"), content::Referrer(),
  73                       CURRENT_TAB, content::PAGE_TRANSITION_TYPED,
  74                       false);
  75   browser()->OpenURL(open5);
  76   load5.Wait();
  77
  78   EXPECT_EQ(3, browser()->tab_count());
  79
  80   // Discard a tab.  It should kill the first tab, since it was the oldest
  81   // and was not selected.
  82   EXPECT_TRUE(g_browser_process->oom_priority_manager()->DiscardTab());
  83   EXPECT_EQ(3, browser()->tab_count());
  84   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(0));
  85   EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(1));
  86   EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(2));
  87
  88   // Run discard again, make sure it kills the second tab.
  89   g_browser_process->oom_priority_manager()->DiscardTab();
  90   EXPECT_EQ(3, browser()->tab_count());
  91   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(0));
  92   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(1));
  93   EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(2));
  94
  95   // Kill the third tab
  96   EXPECT_TRUE(g_browser_process->oom_priority_manager()->DiscardTab());
  97   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(0));
  98   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(1));
  99   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(2));
 100
 101   // Running when all tabs are discarded should do nothing.
 102   EXPECT_FALSE(g_browser_process->oom_priority_manager()->DiscardTab());
 103
 104   // Force creation of the FindBarController.
 105   browser()->GetFindBarController();
 106
 107   // Select the first tab.  It should reload.
 108   WindowedNotificationObserver reload1(
 109       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
 110       content::NotificationService::AllSources());
 111   chrome::SelectNumberedTab(browser(), 0);
 112   reload1.Wait();
 113   // Make sure the FindBarController gets the right TabContents.
 114   EXPECT_EQ(browser()->GetFindBarController()->tab_contents(),
 115             chrome::GetActiveTabContents(browser()));
 116   EXPECT_EQ(0, browser()->active_index());
 117   EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(0));
 118   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(1));
 119   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(2));
 120
 121   // Select the third tab. It should reload.
 122   WindowedNotificationObserver reload2(
 123       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
 124       content::NotificationService::AllSources());
 125   chrome::SelectNumberedTab(browser(), 2);
 126   reload2.Wait();
 127   EXPECT_EQ(2, browser()->active_index());
 128   EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(0));
 129   EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(1));
 130   EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(2));
 131
 132   // Navigate the third tab back twice.  We used to crash here due to
 133   // crbug.com/121373.
 134   EXPECT_TRUE(chrome::CanGoBack(browser()));
 135   EXPECT_FALSE(chrome::CanGoForward(browser()));
 136   WindowedNotificationObserver back1(
 137       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
 138       content::NotificationService::AllSources());
 139   chrome::GoBack(browser(), CURRENT_TAB);
 140   back1.Wait();
 141   EXPECT_TRUE(chrome::CanGoBack(browser()));
 142   EXPECT_TRUE(chrome::CanGoForward(browser()));
 143   WindowedNotificationObserver back2(
 144       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
 145       content::NotificationService::AllSources());
 146   chrome::GoBack(browser(), CURRENT_TAB);
 147   back2.Wait();
 148   EXPECT_FALSE(chrome::CanGoBack(browser()));
 149   EXPECT_TRUE(chrome::CanGoForward(browser()));
 150 }
 151
 152 }  // namespace