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      1 // Copyright (c) 2011 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.h"
      8 #include "base/process_util.h"
      9 #include "chrome/browser/renderer_host/web_cache_manager.h"
     10 #include "chrome/browser/ui/browser.h"
     11 #include "chrome/test/in_process_browser_test.h"
     12 #include "chrome/test/ui_test_utils.h"
     13 #include "content/browser/renderer_host/render_process_host.h"
     14 #include "content/browser/tab_contents/tab_contents.h"
     15 #include "content/common/result_codes.h"
     16 #include "testing/gtest/include/gtest/gtest.h"
     17 
     18 class WebCacheManagerBrowserTest : public InProcessBrowserTest {
     19 };
     20 
     21 // Regression test for http://crbug.com/12362.  If a renderer crashes and the
     22 // user navigates to another tab and back, the browser doesn't crash.
     23 // Flaky, http://crbug.com/15288. Disabled, http://crbug.com/69918.
     24 IN_PROC_BROWSER_TEST_F(WebCacheManagerBrowserTest, DISABLED_CrashOnceOnly) {
     25   const FilePath kTestDir(FILE_PATH_LITERAL("google"));
     26   const FilePath kTestFile(FILE_PATH_LITERAL("google.html"));
     27   GURL url(ui_test_utils::GetTestUrl(kTestDir, kTestFile));
     28 
     29   ui_test_utils::NavigateToURL(browser(), url);
     30 
     31   browser()->NewTab();
     32   ui_test_utils::NavigateToURL(browser(), url);
     33 
     34   TabContents* tab = browser()->GetTabContentsAt(0);
     35   ASSERT_TRUE(tab != NULL);
     36   base::KillProcess(tab->GetRenderProcessHost()->GetHandle(),
     37                     ResultCodes::KILLED, true);
     38 
     39   browser()->ActivateTabAt(0, true);
     40   browser()->NewTab();
     41   ui_test_utils::NavigateToURL(browser(), url);
     42 
     43   browser()->ActivateTabAt(0, true);
     44   browser()->NewTab();
     45   ui_test_utils::NavigateToURL(browser(), url);
     46 
     47   // We would have crashed at the above line with the bug.
     48 
     49   browser()->ActivateTabAt(0, true);
     50   browser()->CloseTab();
     51   browser()->ActivateTabAt(0, true);
     52   browser()->CloseTab();
     53   browser()->ActivateTabAt(0, true);
     54   browser()->CloseTab();
     55 
     56   ui_test_utils::NavigateToURL(browser(), url);
     57 
     58   EXPECT_EQ(
     59       WebCacheManager::GetInstance()->active_renderers_.size(), 1U);
     60   EXPECT_EQ(
     61       WebCacheManager::GetInstance()->inactive_renderers_.size(), 0U);
     62   EXPECT_EQ(
     63       WebCacheManager::GetInstance()->stats_.size(), 1U);
     64 }
     65