chrome/browser/renderer_host/web_cache_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 <string>
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "chrome/browser/renderer_host/web_cache_manager.h"
   9 #include "chrome/browser/ui/browser.h"
  10 #include "chrome/browser/ui/browser_commands.h"
  11 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  12 #include "chrome/test/base/in_process_browser_test.h"
  13 #include "chrome/test/base/ui_test_utils.h"
  14 #include "content/public/browser/render_process_host.h"
  15 #include "content/public/browser/web_contents.h"
  16 #include "content/public/common/result_codes.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 using content::WebContents;
  20
  21 class WebCacheManagerBrowserTest : public InProcessBrowserTest {
  22 };
  23
  24 // Regression test for http://crbug.com/12362.  If a renderer crashes and the
  25 // user navigates to another tab and back, the browser doesn't crash.
  26 IN_PROC_BROWSER_TEST_F(WebCacheManagerBrowserTest, CrashOnceOnly) {
  27   const base::FilePath kTestDir(FILE_PATH_LITERAL("google"));
  28   const base::FilePath kTestFile(FILE_PATH_LITERAL("google.html"));
  29   GURL url(ui_test_utils::GetTestUrl(kTestDir, kTestFile));
  30
  31   ui_test_utils::NavigateToURL(browser(), url);
  32
  33   chrome::NewTab(browser());
  34   ui_test_utils::NavigateToURL(browser(), url);
  35
  36   WebContents* tab = browser()->tab_strip_model()->GetWebContentsAt(0);
  37   ASSERT_TRUE(tab != NULL);
  38   base::KillProcess(tab->GetRenderProcessHost()->GetHandle(),
  39                     content::RESULT_CODE_KILLED, true);
  40
  41   browser()->tab_strip_model()->ActivateTabAt(0, true);
  42   chrome::NewTab(browser());
  43   ui_test_utils::NavigateToURL(browser(), url);
  44
  45   browser()->tab_strip_model()->ActivateTabAt(0, true);
  46   chrome::NewTab(browser());
  47   ui_test_utils::NavigateToURL(browser(), url);
  48
  49   // We would have crashed at the above line with the bug.
  50
  51   browser()->tab_strip_model()->ActivateTabAt(0, true);
  52   chrome::CloseTab(browser());
  53   browser()->tab_strip_model()->ActivateTabAt(0, true);
  54   chrome::CloseTab(browser());
  55   browser()->tab_strip_model()->ActivateTabAt(0, true);
  56   chrome::CloseTab(browser());
  57
  58   ui_test_utils::NavigateToURL(browser(), url);
  59
  60   // Depending on the speed of execution of the unload event, we may have one or
  61   // two active renderers at that point (one executing the unload event in
  62   // background).
  63   EXPECT_GE(WebCacheManager::GetInstance()->active_renderers_.size(), 1U);
  64   EXPECT_LE(WebCacheManager::GetInstance()->active_renderers_.size(), 2U);
  65   EXPECT_EQ(
  66       WebCacheManager::GetInstance()->inactive_renderers_.size(), 0U);
  67   EXPECT_GE(WebCacheManager::GetInstance()->stats_.size(), 1U);
  68   EXPECT_LE(WebCacheManager::GetInstance()->stats_.size(), 2U);
  69 }