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/browser_process_platform_part_chromeos.h" 7 #include "chrome/browser/chromeos/memory/oom_priority_manager.h" 8 #include "chrome/browser/ui/browser.h" 9 #include "chrome/browser/ui/browser_commands.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 "content/public/browser/notification_service.h" 15 #include "content/public/browser/notification_types.h" 16 #include "content/public/test/test_utils.h" 17 #include "url/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 content::WindowedNotificationObserver; 27 28 chromeos::OomPriorityManager* oom_priority_manager = 29 g_browser_process->platform_part()->oom_priority_manager(); 30 EXPECT_FALSE(oom_priority_manager->recent_tab_discard()); 31 32 // Get three tabs open. 33 WindowedNotificationObserver load1( 34 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 35 content::NotificationService::AllSources()); 36 OpenURLParams open1(GURL(chrome::kChromeUIAboutURL), content::Referrer(), 37 CURRENT_TAB, content::PAGE_TRANSITION_TYPED, false); 38 browser()->OpenURL(open1); 39 load1.Wait(); 40 41 WindowedNotificationObserver load2( 42 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 43 content::NotificationService::AllSources()); 44 OpenURLParams open2(GURL(chrome::kChromeUICreditsURL), content::Referrer(), 45 NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_TYPED, 46 false); 47 browser()->OpenURL(open2); 48 load2.Wait(); 49 50 WindowedNotificationObserver load3( 51 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 52 content::NotificationService::AllSources()); 53 OpenURLParams open3(GURL(chrome::kChromeUITermsURL), content::Referrer(), 54 NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_TYPED, 55 false); 56 browser()->OpenURL(open3); 57 load3.Wait(); 58 59 EXPECT_EQ(3, browser()->tab_strip_model()->count()); 60 61 // Navigate the current (third) tab to a different URL, so we can test 62 // back/forward later. 63 WindowedNotificationObserver load4( 64 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 65 content::NotificationService::AllSources()); 66 OpenURLParams open4(GURL(chrome::kChromeUIVersionURL), content::Referrer(), 67 CURRENT_TAB, content::PAGE_TRANSITION_TYPED, 68 false); 69 browser()->OpenURL(open4); 70 load4.Wait(); 71 72 // Navigate the third tab again, such that we have three navigation entries. 73 WindowedNotificationObserver load5( 74 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 75 content::NotificationService::AllSources()); 76 OpenURLParams open5(GURL("chrome://dns"), content::Referrer(), 77 CURRENT_TAB, content::PAGE_TRANSITION_TYPED, 78 false); 79 browser()->OpenURL(open5); 80 load5.Wait(); 81 82 EXPECT_EQ(3, browser()->tab_strip_model()->count()); 83 84 // Discard a tab. It should kill the first tab, since it was the oldest 85 // and was not selected. 86 EXPECT_TRUE(oom_priority_manager->DiscardTab()); 87 EXPECT_EQ(3, browser()->tab_strip_model()->count()); 88 EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(0)); 89 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(1)); 90 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(2)); 91 EXPECT_TRUE(oom_priority_manager->recent_tab_discard()); 92 93 // Run discard again, make sure it kills the second tab. 94 EXPECT_TRUE(oom_priority_manager->DiscardTab()); 95 EXPECT_EQ(3, browser()->tab_strip_model()->count()); 96 EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(0)); 97 EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(1)); 98 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(2)); 99 100 // Kill the third tab. It should not kill the last tab, since it is active 101 // tab. 102 EXPECT_FALSE(oom_priority_manager->DiscardTab()); 103 EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(0)); 104 EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(1)); 105 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(2)); 106 107 // Kill the third tab after making second tab active. 108 browser()->tab_strip_model()->ActivateTabAt(1, true); 109 EXPECT_EQ(1, browser()->tab_strip_model()->active_index()); 110 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(1)); 111 browser()->tab_strip_model()->DiscardWebContentsAt(2); 112 EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(2)); 113 114 // Force creation of the FindBarController. 115 browser()->GetFindBarController(); 116 117 // Select the first tab. It should reload. 118 WindowedNotificationObserver reload1( 119 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 120 content::NotificationService::AllSources()); 121 chrome::SelectNumberedTab(browser(), 0); 122 reload1.Wait(); 123 // Make sure the FindBarController gets the right WebContents. 124 EXPECT_EQ(browser()->GetFindBarController()->web_contents(), 125 browser()->tab_strip_model()->GetActiveWebContents()); 126 EXPECT_EQ(0, browser()->tab_strip_model()->active_index()); 127 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(0)); 128 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(1)); 129 EXPECT_TRUE(browser()->tab_strip_model()->IsTabDiscarded(2)); 130 131 // Select the third tab. It should reload. 132 WindowedNotificationObserver reload2( 133 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 134 content::NotificationService::AllSources()); 135 chrome::SelectNumberedTab(browser(), 2); 136 reload2.Wait(); 137 EXPECT_EQ(2, browser()->tab_strip_model()->active_index()); 138 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(0)); 139 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(1)); 140 EXPECT_FALSE(browser()->tab_strip_model()->IsTabDiscarded(2)); 141 142 // Navigate the third tab back twice. We used to crash here due to 143 // crbug.com/121373. 144 EXPECT_TRUE(chrome::CanGoBack(browser())); 145 EXPECT_FALSE(chrome::CanGoForward(browser())); 146 WindowedNotificationObserver back1( 147 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 148 content::NotificationService::AllSources()); 149 chrome::GoBack(browser(), CURRENT_TAB); 150 back1.Wait(); 151 EXPECT_TRUE(chrome::CanGoBack(browser())); 152 EXPECT_TRUE(chrome::CanGoForward(browser())); 153 WindowedNotificationObserver back2( 154 content::NOTIFICATION_NAV_ENTRY_COMMITTED, 155 content::NotificationService::AllSources()); 156 chrome::GoBack(browser(), CURRENT_TAB); 157 back2.Wait(); 158 EXPECT_FALSE(chrome::CanGoBack(browser())); 159 EXPECT_TRUE(chrome::CanGoForward(browser())); 160 } 161 162 } // namespace 163
