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// Copyright (c) 2012 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 <string>
#include "base/message_loop/message_loop.h"
#include "chrome/browser/renderer_host/web_cache_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/result_codes.h"
#include "testing/gtest/include/gtest/gtest.h"
using content::WebContents;
class WebCacheManagerBrowserTest : public InProcessBrowserTest {
};
// Regression test for http://crbug.com/12362. If a renderer crashes and the
// user navigates to another tab and back, the browser doesn't crash.
IN_PROC_BROWSER_TEST_F(WebCacheManagerBrowserTest, CrashOnceOnly) {
const base::FilePath kTestDir(FILE_PATH_LITERAL("google"));
const base::FilePath kTestFile(FILE_PATH_LITERAL("google.html"));
GURL url(ui_test_utils::GetTestUrl(kTestDir, kTestFile));
ui_test_utils::NavigateToURL(browser(), url);
chrome::NewTab(browser());
ui_test_utils::NavigateToURL(browser(), url);
WebContents* tab = browser()->tab_strip_model()->GetWebContentsAt(0);
ASSERT_TRUE(tab != NULL);
base::KillProcess(tab->GetRenderProcessHost()->GetHandle(),
content::RESULT_CODE_KILLED, true);
browser()->tab_strip_model()->ActivateTabAt(0, true);
chrome::NewTab(browser());
ui_test_utils::NavigateToURL(browser(), url);
browser()->tab_strip_model()->ActivateTabAt(0, true);
chrome::NewTab(browser());
ui_test_utils::NavigateToURL(browser(), url);
// We would have crashed at the above line with the bug.
browser()->tab_strip_model()->ActivateTabAt(0, true);
chrome::CloseTab(browser());
browser()->tab_strip_model()->ActivateTabAt(0, true);
chrome::CloseTab(browser());
browser()->tab_strip_model()->ActivateTabAt(0, true);
chrome::CloseTab(browser());
ui_test_utils::NavigateToURL(browser(), url);
// Depending on the speed of execution of the unload event, we may have one or
// two active renderers at that point (one executing the unload event in
// background).
EXPECT_GE(WebCacheManager::GetInstance()->active_renderers_.size(), 1U);
EXPECT_LE(WebCacheManager::GetInstance()->active_renderers_.size(), 2U);
EXPECT_EQ(
WebCacheManager::GetInstance()->inactive_renderers_.size(), 0U);
EXPECT_GE(WebCacheManager::GetInstance()->stats_.size(), 1U);
EXPECT_LE(WebCacheManager::GetInstance()->stats_.size(), 2U);
}
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