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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <utility>
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/strings/stringprintf.h"
#include "build/build_config.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/common/url_constants.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/no_renderer_crashes_assertion.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/http_request.h"
#include "net/test/embedded_test_server/http_response.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/chrome_debug_urls.h"
#include "ui/base/page_transition_types.h"
using content::OpenURLParams;
using content::Referrer;
using content::WebContents;
// TODO(jam): http://crbug.com/350550
#if !(BUILDFLAG(IS_CHROMEOS) && defined(ADDRESS_SANITIZER))
namespace {
void SimulateRendererCrash(Browser* browser) {
content::RenderProcessHostWatcher crash_observer(
browser->tab_strip_model()->GetActiveWebContents(),
content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
browser->OpenURL(OpenURLParams(GURL(blink::kChromeUICrashURL), Referrer(),
WindowOpenDisposition::CURRENT_TAB,
ui::PAGE_TRANSITION_TYPED, false),
/*navigation_handle_callback=*/{});
crash_observer.Wait();
}
// A request handler which returns a different result each time but stays fresh
// into the far future.
class CacheMaxAgeHandler {
public:
explicit CacheMaxAgeHandler(const std::string& path)
: path_(path), request_count_(0) { }
CacheMaxAgeHandler(const CacheMaxAgeHandler&) = delete;
CacheMaxAgeHandler& operator=(const CacheMaxAgeHandler&) = delete;
std::unique_ptr<net::test_server::HttpResponse> HandleRequest(
const net::test_server::HttpRequest& request) {
if (request.relative_url != path_)
return nullptr;
request_count_++;
std::unique_ptr<net::test_server::BasicHttpResponse> response(
new net::test_server::BasicHttpResponse);
response->set_content(base::StringPrintf("<title>%d</title>",
request_count_));
response->set_content_type("text/html");
response->AddCustomHeader("Cache-Control", "max-age=99999");
return std::move(response);
}
private:
std::string path_;
int request_count_;
};
class CrashRecoveryBrowserTest : public InProcessBrowserTest {
protected:
WebContents* GetActiveWebContents() {
return browser()->tab_strip_model()->GetActiveWebContents();
}
private:
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch(switches::kDisableBreakpad);
}
content::ScopedAllowRendererCrashes scoped_allow_renderer_crashes_;
};
// Test that reload works after a crash.
IN_PROC_BROWSER_TEST_F(CrashRecoveryBrowserTest, Reload) {
// The title of the active tab should change each time this URL is loaded.
GURL url(
"data:text/html,<script>document.title=new Date().valueOf()</script>");
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url));
std::u16string title_before_crash;
std::u16string title_after_crash;
ASSERT_TRUE(ui_test_utils::GetCurrentTabTitle(browser(),
&title_before_crash));
SimulateRendererCrash(browser());
chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
EXPECT_TRUE(content::WaitForLoadStop(GetActiveWebContents()));
ASSERT_TRUE(ui_test_utils::GetCurrentTabTitle(browser(),
&title_after_crash));
EXPECT_NE(title_before_crash, title_after_crash);
ASSERT_TRUE(
GetActiveWebContents()->GetPrimaryMainFrame()->GetView()->IsShowing());
ASSERT_NE(base::Process::Priority::kBestEffort, GetActiveWebContents()
->GetPrimaryMainFrame()
->GetProcess()
->GetPriority());
}
// Test that reload after a crash forces a cache revalidation.
// TODO(crbug.com/323792317): Times out flakily.
IN_PROC_BROWSER_TEST_F(CrashRecoveryBrowserTest,
DISABLED_ReloadCacheRevalidate) {
const char kTestPath[] = "/test";
// Use the test server so as not to bypass cache behavior. The title of the
// active tab should change only when this URL is reloaded.
embedded_test_server()->RegisterRequestHandler(
base::BindRepeating(&CacheMaxAgeHandler::HandleRequest,
base::Owned(new CacheMaxAgeHandler(kTestPath))));
ASSERT_TRUE(embedded_test_server()->Start());
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL(kTestPath)));
std::u16string title_before_crash;
std::u16string title_after_crash;
ASSERT_TRUE(ui_test_utils::GetCurrentTabTitle(browser(),
&title_before_crash));
SimulateRendererCrash(browser());
chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
EXPECT_TRUE(content::WaitForLoadStop(GetActiveWebContents()));
ASSERT_TRUE(ui_test_utils::GetCurrentTabTitle(browser(),
&title_after_crash));
EXPECT_NE(title_before_crash, title_after_crash);
}
// Tests that loading a crashed page in a new tab correctly updates the title.
// There was an earlier bug (1270510) in process-per-site in which the max page
// ID of the RenderProcessHost was stale, so the NavigationEntry in the new tab
// was not committed. This prevents regression of that bug.
#if BUILDFLAG(IS_WIN)
#define MAYBE_LoadInNewTab DISABLED_LoadInNewTab
#else
#define MAYBE_LoadInNewTab LoadInNewTab
#endif
IN_PROC_BROWSER_TEST_F(CrashRecoveryBrowserTest, MAYBE_LoadInNewTab) {
const base::FilePath::CharType kTitle2File[] =
FILE_PATH_LITERAL("title2.html");
GURL url(ui_test_utils::GetTestUrl(
base::FilePath(base::FilePath::kCurrentDirectory),
base::FilePath(kTitle2File)));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url));
std::u16string title_before_crash;
std::u16string title_after_crash;
ASSERT_TRUE(ui_test_utils::GetCurrentTabTitle(browser(),
&title_before_crash));
SimulateRendererCrash(browser());
ASSERT_EQ(GURL(blink::kChromeUICrashURL), GetActiveWebContents()
->GetController()
.GetVisibleEntry()
->GetVirtualURL());
chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
EXPECT_TRUE(content::WaitForLoadStop(GetActiveWebContents()));
ASSERT_TRUE(ui_test_utils::GetCurrentTabTitle(browser(),
&title_after_crash));
EXPECT_EQ(title_before_crash, title_after_crash);
}
// Tests that reloads of navigation errors behave correctly after a crash.
// Regression test for http://crbug.com/348918
IN_PROC_BROWSER_TEST_F(CrashRecoveryBrowserTest, DoubleReloadWithError) {
GURL url(content::GetWebUIURL("bogus"));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url));
ASSERT_EQ(url, GetActiveWebContents()->GetVisibleURL());
SimulateRendererCrash(browser());
chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
EXPECT_FALSE(content::WaitForLoadStop(GetActiveWebContents()));
ASSERT_EQ(url, GetActiveWebContents()->GetVisibleURL());
chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
EXPECT_FALSE(content::WaitForLoadStop(GetActiveWebContents()));
ASSERT_EQ(url, GetActiveWebContents()->GetVisibleURL());
}
// Tests that a beforeunload handler doesn't run if user navigates to
// chrome::crash.
IN_PROC_BROWSER_TEST_F(CrashRecoveryBrowserTest, BeforeUnloadNotRun) {
const char* kBeforeUnloadHTML =
"<html><body>"
"<script>window.onbeforeunload=function(e){return 'foo'}</script>"
"</body></html>";
GURL url(std::string("data:text/html,") + kBeforeUnloadHTML);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url));
SimulateRendererCrash(browser());
}
} // namespace
#endif
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