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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 "base/base_switches.h"
#include "base/command_line.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/path_service.h"
#include "base/process/process.h"
#include "base/run_loop.h"
#include "base/test/run_until.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_timeouts.h"
#include "build/build_config.h"
#include "chrome/browser/devtools/devtools_window.h"
#include "chrome/browser/extensions/extension_browsertest.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/singleton_tabs.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_switches.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/child_process_launcher_utils.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.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 "content/public/test/test_navigation_observer.h"
#include "content/public/test/test_utils.h"
#include "media/base/media_switches.h"
#include "net/base/filename_util.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#if BUILDFLAG(IS_MAC)
#include "content/public/browser/browser_child_process_host.h"
#endif // BUILDFLAG(IS_MAC)
using content::WebContents;
namespace {
int RenderProcessHostCount() {
return content::RenderProcessHost::GetCurrentRenderProcessCountForTesting();
}
WebContents* FindFirstDevToolsContents() {
for (content::WebContents* web_contents : content::GetAllWebContents()) {
if (web_contents->GetURL().SchemeIs(content::kChromeDevToolsScheme) &&
web_contents->GetPrimaryMainFrame()
->GetProcess()
->IsInitializedAndNotDead()) {
return web_contents;
}
}
return nullptr;
}
// TODO(rvargas) crbug.com/417532: Remove this code.
base::Process ProcessFromHandle(base::ProcessHandle handle) {
#if BUILDFLAG(IS_WIN)
if (handle == GetCurrentProcess())
return base::Process::Current();
base::ProcessHandle out_handle;
if (!::DuplicateHandle(GetCurrentProcess(), handle, GetCurrentProcess(),
&out_handle, 0, FALSE, DUPLICATE_SAME_ACCESS)) {
return base::Process();
}
handle = out_handle;
#endif // BUILDFLAG(IS_WIN)
return base::Process(handle);
}
// Returns true if the priority of `process` is kBestEffort.
bool IsProcessBackgrounded(const base::Process& process) {
#if BUILDFLAG(IS_MAC)
return process.GetPriority(
content::BrowserChildProcessHost::GetPortProvider()) ==
base::Process::Priority::kBestEffort;
#else
return process.GetPriority() == base::Process::Priority::kBestEffort;
#endif
}
} // namespace
class ChromeRenderProcessHostTest : public extensions::ExtensionBrowserTest {
public:
ChromeRenderProcessHostTest() = default;
ChromeRenderProcessHostTest(const ChromeRenderProcessHostTest&) = delete;
ChromeRenderProcessHostTest& operator=(const ChromeRenderProcessHostTest&) =
delete;
// Show a tab, activating the current one if there is one, and wait for
// the renderer process to be created or foregrounded, returning the
// WebContents associated with the tab.
WebContents* ShowSingletonTab(const GURL& page) {
::ShowSingletonTab(browser(), page);
WebContents* wc = browser()->tab_strip_model()->GetActiveWebContents();
CHECK(wc->GetURL() == page);
WaitForLauncherThread();
WaitForMessageProcessing(wc);
return wc;
}
// Loads the given url in a new background tab and returns the WebContents
// associated with the tab.
WebContents* OpenBackgroundTab(const GURL& page) {
ui_test_utils::NavigateToURLWithDisposition(
browser(), page, WindowOpenDisposition::NEW_BACKGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
TabStripModel* tab_strip = browser()->tab_strip_model();
WebContents* wc =
tab_strip->GetWebContentsAt(tab_strip->active_index() + 1);
CHECK(wc->GetVisibleURL() == page);
WaitForLauncherThread();
WaitForMessageProcessing(wc);
return wc;
}
// Ensures that the backgrounding / foregrounding gets a chance to run.
void WaitForLauncherThread() {
base::RunLoop run_loop;
content::GetProcessLauncherTaskRunner()->PostTaskAndReply(
FROM_HERE, base::DoNothing(), run_loop.QuitWhenIdleClosure());
run_loop.Run();
}
// Implicitly waits for the renderer process associated with the specified
// WebContents to process outstanding IPC messages by running some JavaScript
// and waiting for the result.
void WaitForMessageProcessing(WebContents* wc) {
ASSERT_EQ(true, content::EvalJs(wc, "true;"));
}
// When we hit the max number of renderers, verify that the way we do process
// sharing behaves correctly. In particular, this test is verifying that even
// when we hit the max process limit, that renderers of each type will wind up
// in a process of that type, even if that means creating a new process.
void TestProcessOverflow() {
int tab_count = 1;
int host_count = 1;
WebContents* tab1 = nullptr;
WebContents* tab2 = nullptr;
content::RenderProcessHost* rph1 = nullptr;
content::RenderProcessHost* rph2 = nullptr;
content::RenderProcessHost* rph3 = nullptr;
const extensions::Extension* extension =
LoadExtension(test_data_dir_.AppendASCII("options_page"));
content::RenderFrameDeletedObserver before_webui_obs(
content::ConvertToRenderFrameHost(
browser()->tab_strip_model()->GetActiveWebContents()));
// Change the first tab to be the omnibox page (WebUI).
GURL omnibox(chrome::kChromeUIOmniboxURL);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), omnibox));
// The host objects from the page before the WebUI navigation stick around
// until the old renderer cleans up and ACKs, which may happen later than
// the navigation in the WebUI's renderer. So wait for that.
before_webui_obs.WaitUntilDeleted();
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
tab1 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
rph1 = tab1->GetPrimaryMainFrame()->GetProcess();
EXPECT_EQ(omnibox, tab1->GetURL());
EXPECT_EQ(host_count, RenderProcessHostCount());
// Create a new normal tab with a data URL. It should be in its own process.
GURL page1("data:text/html,hello world1");
ui_test_utils::TabAddedWaiter add_tab1(browser());
::ShowSingletonTab(browser(), page1);
add_tab1.Wait();
tab_count++;
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
tab1 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
rph2 = tab1->GetPrimaryMainFrame()->GetProcess();
EXPECT_EQ(tab1->GetURL(), page1);
EXPECT_EQ(host_count, RenderProcessHostCount());
EXPECT_NE(rph1, rph2);
// Create another data URL tab. With Site Isolation, this will require its
// own process, but without Site Isolation, it can share the previous
// process.
GURL page2("data:text/html,hello world2");
ui_test_utils::TabAddedWaiter add_tab2(browser());
::ShowSingletonTab(browser(), page2);
add_tab2.Wait();
tab_count++;
if (content::AreAllSitesIsolatedForTesting())
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
tab2 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
EXPECT_EQ(tab2->GetURL(), page2);
EXPECT_EQ(host_count, RenderProcessHostCount());
if (content::AreAllSitesIsolatedForTesting())
EXPECT_NE(tab2->GetPrimaryMainFrame()->GetProcess(), rph2);
else
EXPECT_EQ(tab2->GetPrimaryMainFrame()->GetProcess(), rph2);
// Create another WebUI tab. Each WebUI tab should get a separate process
// because of origin locking.
// Note: intentionally create this tab after the normal tabs to exercise bug
// 43448 where extension and WebUI tabs could get combined into normal
// renderers.
GURL history(chrome::kChromeUIHistoryURL);
ui_test_utils::TabAddedWaiter add_tab3(browser());
::ShowSingletonTab(browser(), history);
add_tab3.Wait();
tab_count++;
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
tab2 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
EXPECT_EQ(tab2->GetURL(), GURL(history));
EXPECT_EQ(host_count, RenderProcessHostCount());
EXPECT_NE(tab2->GetPrimaryMainFrame()->GetProcess(), rph1);
// Create an extension tab. It should be in its own process.
GURL extension_url("chrome-extension://" + extension->id());
ui_test_utils::TabAddedWaiter add_tab4(browser());
::ShowSingletonTab(browser(), extension_url);
add_tab4.Wait();
tab_count++;
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
tab1 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
rph3 = tab1->GetPrimaryMainFrame()->GetProcess();
EXPECT_EQ(tab1->GetURL(), extension_url);
EXPECT_EQ(host_count, RenderProcessHostCount());
EXPECT_NE(rph1, rph3);
EXPECT_NE(rph2, rph3);
}
};
class ChromeRenderProcessHostTestWithCommandLine
: public ChromeRenderProcessHostTest {
public:
ChromeRenderProcessHostTestWithCommandLine() = default;
ChromeRenderProcessHostTestWithCommandLine(
const ChromeRenderProcessHostTestWithCommandLine&) = delete;
ChromeRenderProcessHostTestWithCommandLine& operator=(
const ChromeRenderProcessHostTestWithCommandLine&) = delete;
~ChromeRenderProcessHostTestWithCommandLine() override = default;
protected:
void SetUpCommandLine(base::CommandLine* command_line) override {
ChromeRenderProcessHostTest::SetUpCommandLine(command_line);
command_line->AppendSwitchASCII(switches::kRendererProcessLimit, "1");
}
};
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest, ProcessPerTab) {
// Set max renderers to 1 to force running out of processes.
content::RenderProcessHost::SetMaxRendererProcessCount(1);
base::CommandLine& parsed_command_line =
*base::CommandLine::ForCurrentProcess();
parsed_command_line.AppendSwitch(switches::kProcessPerTab);
int tab_count = 1;
int host_count = 1;
content::RenderFrameDeletedObserver before_webui_obs(
content::ConvertToRenderFrameHost(
browser()->tab_strip_model()->GetActiveWebContents()));
// Change the first tab to be a WebUI page.
GURL omnibox(chrome::kChromeUIOmniboxURL);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), omnibox));
// The host objects from the page before the WebUI navigation stick around
// until the old renderer cleans up and ACKs, which may happen later than the
// navigation in the WebUI's renderer. So wait for that.
before_webui_obs.WaitUntilDeleted();
// Expect just the WebUI tab's process to be around.
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// Create a new normal tab with a data URL. It should be in its own process.
GURL page1("data:text/html,hello world1");
content::TestNavigationObserver navigation_observer1(page1);
navigation_observer1.StartWatchingNewWebContents();
ui_test_utils::TabAddedWaiter add_tab1(browser());
::ShowSingletonTab(browser(), page1);
add_tab1.Wait();
navigation_observer1.Wait();
tab_count++;
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// Create another data URL tab. With Site Isolation, this will require its
// own process, but without Site Isolation, it can share the previous process.
GURL page2("data:text/html,hello world2");
content::TestNavigationObserver navigation_observer2(page2);
navigation_observer2.StartWatchingNewWebContents();
ui_test_utils::TabAddedWaiter add_tab2(browser());
::ShowSingletonTab(browser(), page2);
add_tab2.Wait();
navigation_observer2.Wait();
tab_count++;
if (content::AreAllSitesIsolatedForTesting())
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// Create another omnibox tab. It should share the process with the other
// WebUI.
ui_test_utils::NavigateToURLWithDisposition(
browser(), omnibox, WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
tab_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// Create another omnibox tab. It should share the process with the other
// WebUI.
ui_test_utils::NavigateToURLWithDisposition(
browser(), omnibox, WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
tab_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
}
class ChromeRenderProcessHostBackgroundingTest
: public ChromeRenderProcessHostTest {
public:
ChromeRenderProcessHostBackgroundingTest() = default;
ChromeRenderProcessHostBackgroundingTest(
const ChromeRenderProcessHostBackgroundingTest&) = delete;
ChromeRenderProcessHostBackgroundingTest& operator=(
const ChromeRenderProcessHostBackgroundingTest&) = delete;
~ChromeRenderProcessHostBackgroundingTest() override = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
ChromeRenderProcessHostTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(switches::kProcessPerTab);
}
void VerifyProcessIsBackgrounded(WebContents* web_contents) {
constexpr bool kExpectedIsBackground = true;
VerifyProcessPriority(web_contents->GetPrimaryMainFrame()->GetProcess(),
kExpectedIsBackground);
}
void VerifyProcessIsForegrounded(WebContents* web_contents) {
constexpr bool kExpectedIsBackground = false;
VerifyProcessPriority(web_contents->GetPrimaryMainFrame()->GetProcess(),
kExpectedIsBackground);
}
void SetUpOnMainThread() override {
ASSERT_TRUE(embedded_test_server()->Start());
}
private:
void VerifyProcessPriority(content::RenderProcessHost* process,
bool expected_is_backgrounded) {
EXPECT_TRUE(process->IsInitializedAndNotDead());
EXPECT_EQ(expected_is_backgrounded,
process->GetPriority() == base::Process::Priority::kBestEffort);
if (base::Process::CanSetPriority()) {
base::Process p = ProcessFromHandle(process->GetProcess().Handle());
ASSERT_TRUE(p.IsValid());
EXPECT_EQ(expected_is_backgrounded, IsProcessBackgrounded(p));
}
}
};
#define EXPECT_PROCESS_IS_BACKGROUNDED(process_or_tab) \
do { \
SCOPED_TRACE("Verifying that |" #process_or_tab "| is backgrounded..."); \
VerifyProcessIsBackgrounded(process_or_tab); \
} while (0);
#define EXPECT_PROCESS_IS_FOREGROUNDED(process_or_tab) \
do { \
SCOPED_TRACE("Verifying that |" #process_or_tab "| is foregrounded..."); \
VerifyProcessIsForegrounded(process_or_tab); \
} while (0);
// Flaky on Mac: https://crbug.com/888308
#if BUILDFLAG(IS_MAC)
#define MAYBE_MultipleTabs DISABLED_MultipleTabs
#else
#define MAYBE_MultipleTabs MultipleTabs
#endif
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostBackgroundingTest,
MAYBE_MultipleTabs) {
// Change the first tab to be the omnibox page (TYPE_WEBUI).
GURL omnibox(chrome::kChromeUIOmniboxURL);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), omnibox));
// Create a new tab. It should be foreground.
GURL page1("data:text/html,hello world1");
WebContents* tab1 = ShowSingletonTab(page1);
{
SCOPED_TRACE("TEST STEP: Single tab");
EXPECT_PROCESS_IS_FOREGROUNDED(tab1);
}
// Create another tab. It should be foreground, and the first tab should
// now be background.
GURL page2("data:text/html,hello world2");
WebContents* tab2 = ShowSingletonTab(page2);
{
SCOPED_TRACE("TEST STEP: 2nd tab opened in foreground");
EXPECT_NE(tab1->GetPrimaryMainFrame()->GetProcess(),
tab2->GetPrimaryMainFrame()->GetProcess());
EXPECT_PROCESS_IS_BACKGROUNDED(tab1);
EXPECT_PROCESS_IS_FOREGROUNDED(tab2);
}
// Load another tab in background. The renderer of the new tab should be
// backgrounded, while visibility of the other renderers should not change.
GURL page3("data:text/html,hello world3");
WebContents* tab3 = OpenBackgroundTab(page3);
{
SCOPED_TRACE("TEST STEP: 3rd tab opened in background");
EXPECT_NE(tab1->GetPrimaryMainFrame()->GetProcess(),
tab3->GetPrimaryMainFrame()->GetProcess());
EXPECT_NE(tab2->GetPrimaryMainFrame()->GetProcess(),
tab3->GetPrimaryMainFrame()->GetProcess());
EXPECT_PROCESS_IS_BACKGROUNDED(tab1);
EXPECT_PROCESS_IS_FOREGROUNDED(tab2);
EXPECT_PROCESS_IS_BACKGROUNDED(tab3);
}
// Navigate back to the first page. Its renderer should be in foreground
// again while the other renderers should be backgrounded.
ShowSingletonTab(page1);
{
SCOPED_TRACE("TEST STEP: First tab activated again");
EXPECT_PROCESS_IS_FOREGROUNDED(tab1);
EXPECT_PROCESS_IS_BACKGROUNDED(tab2);
EXPECT_PROCESS_IS_BACKGROUNDED(tab3);
}
// Confirm that |tab3| remains backgrounded after being shown/hidden.
ShowSingletonTab(page3);
ShowSingletonTab(page1);
{
SCOPED_TRACE("TEST STEP: Third tab activated and deactivated");
EXPECT_PROCESS_IS_FOREGROUNDED(tab1);
EXPECT_PROCESS_IS_BACKGROUNDED(tab2);
EXPECT_PROCESS_IS_BACKGROUNDED(tab3);
}
}
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest, ProcessOverflow) {
// Set max renderers to 1 to force running out of processes.
content::RenderProcessHost::SetMaxRendererProcessCount(1);
TestProcessOverflow();
}
// Variation of the ProcessOverflow test, which is driven through command line
// parameter instead of direct function call into the class.
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTestWithCommandLine,
ProcessOverflowCommandLine) {
TestProcessOverflow();
}
// Ensure that DevTools opened to debug DevTools is launched in a separate
// process when --process-per-tab is set. See crbug.com/69873.
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest,
DevToolsOnSelfInOwnProcessPPT) {
base::CommandLine& parsed_command_line =
*base::CommandLine::ForCurrentProcess();
parsed_command_line.AppendSwitch(switches::kProcessPerTab);
int tab_count = 1;
int host_count = 1;
GURL page1("data:text/html,hello world1");
ui_test_utils::TabAddedWaiter add_tab(browser());
::ShowSingletonTab(browser(), page1);
add_tab.Wait();
tab_count++;
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// DevTools start in docked mode (no new tab), in a separate process.
chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Inspect(),
DevToolsOpenedByAction::kUnknown);
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
WebContents* devtools = FindFirstDevToolsContents();
DCHECK(devtools);
// DevTools start in a separate process.
DevToolsWindow::OpenDevToolsWindow(devtools, DevToolsToggleAction::Inspect(),
DevToolsOpenedByAction::kUnknown);
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// Close docked devtools.
content::WebContentsDestroyedWatcher close_observer(devtools);
chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Toggle(),
DevToolsOpenedByAction::kUnknown);
close_observer.Wait();
}
// Ensure that DevTools opened to debug DevTools is launched in a separate
// process. See crbug.com/69873.
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest,
DevToolsOnSelfInOwnProcess) {
int tab_count = 1;
int host_count = 1;
GURL page1("data:text/html,hello world1");
ui_test_utils::TabAddedWaiter add_tab1(browser());
::ShowSingletonTab(browser(), page1);
add_tab1.Wait();
tab_count++;
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// DevTools start in docked mode (no new tab), in a separate process.
chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Inspect(),
DevToolsOpenedByAction::kUnknown);
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
WebContents* devtools = FindFirstDevToolsContents();
DCHECK(devtools);
// DevTools start in a separate process.
DevToolsWindow::OpenDevToolsWindow(devtools, DevToolsToggleAction::Inspect(),
DevToolsOpenedByAction::kUnknown);
host_count++;
EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
EXPECT_EQ(host_count, RenderProcessHostCount());
// Close docked devtools.
content::WebContentsDestroyedWatcher close_observer(devtools);
chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Toggle(),
DevToolsOpenedByAction::kUnknown);
close_observer.Wait();
}
// This class's goal is to close the browser window when a renderer process has
// crashed. It does so by monitoring WebContents for RenderProcessGone event and
// closing the passed in TabStripModel. This is used in the following test case.
class WindowDestroyer : public content::WebContentsObserver {
public:
WindowDestroyer(content::WebContents* web_contents, TabStripModel* model)
: content::WebContentsObserver(web_contents), tab_strip_model_(model) {}
WindowDestroyer(const WindowDestroyer&) = delete;
WindowDestroyer& operator=(const WindowDestroyer&) = delete;
// Wait for the browser window to be destroyed.
void Wait() { ui_test_utils::WaitForBrowserToClose(); }
void PrimaryMainFrameRenderProcessGone(
base::TerminationStatus status) override {
tab_strip_model_->CloseAllTabs();
}
private:
raw_ptr<TabStripModel> tab_strip_model_;
};
// Test to ensure that while iterating through all listeners in
// RenderProcessHost and invalidating them, we remove them properly and don't
// access already freed objects. See http://crbug.com/255524.
// Disabled due to flakiness, see http://crbug.com/606485.
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest,
DISABLED_CloseAllTabsDuringProcessDied) {
GURL url(chrome::kChromeUIOmniboxURL);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url));
WebContents* wc1 = browser()->tab_strip_model()->GetWebContentsAt(0);
content::WebContentsAddedObserver wc2_observer;
content::ExecuteScriptAsync(
wc1, content::JsReplace("window.open($1, '_blank')", url));
WebContents* wc2 = wc2_observer.GetWebContents();
content::TestNavigationObserver nav_observer(wc2, 1);
nav_observer.Wait();
EXPECT_EQ(2, browser()->tab_strip_model()->count());
EXPECT_EQ(wc1->GetPrimaryMainFrame()->GetLastCommittedURL(),
wc2->GetPrimaryMainFrame()->GetLastCommittedURL());
EXPECT_EQ(wc1->GetPrimaryMainFrame()->GetProcess(),
wc2->GetPrimaryMainFrame()->GetProcess());
// Create an object that will close the window on a process crash.
WindowDestroyer destroyer(wc1, browser()->tab_strip_model());
// Kill the renderer process, simulating a crash. This should the ProcessDied
// method to be called. Alternatively, RenderProcessHost::OnChannelError can
// be called to directly force a call to ProcessDied.
content::ScopedAllowRendererCrashes allow_renderer_crashes(wc1);
wc1->GetPrimaryMainFrame()->GetProcess()->Shutdown(-1);
destroyer.Wait();
}
// Sets up the browser in order to start the tests with two tabs open: one
// called "no audio" in foreground and another called "audio" in background with
// audio in playing state. Also sets up the variables containing the process
// associated with each tab, the urls of the two pages and the WebContents of
// the "audio" page.
class ChromeRenderProcessHostBackgroundingTestWithAudio
: public ChromeRenderProcessHostTest {
public:
ChromeRenderProcessHostBackgroundingTestWithAudio() {
feature_list_.InitWithFeatures(
/*enabled_features=*/
{
// Tests require that each tab has a different process.
features::kDisableProcessReuse,
#if BUILDFLAG(IS_MAC)
// Tests require that backgrounding processes is possible.
features::kMacAllowBackgroundingRenderProcesses,
#endif
},
/*disabled_features=*/{});
}
ChromeRenderProcessHostBackgroundingTestWithAudio(
const ChromeRenderProcessHostBackgroundingTestWithAudio&) = delete;
ChromeRenderProcessHostBackgroundingTestWithAudio& operator=(
const ChromeRenderProcessHostBackgroundingTestWithAudio&) = delete;
void SetUpCommandLine(base::CommandLine* command_line) override {
ChromeRenderProcessHostTest::SetUpCommandLine(command_line);
command_line->AppendSwitchASCII(
switches::kAutoplayPolicy,
switches::autoplay::kNoUserGestureRequiredPolicy);
}
void SetUpOnMainThread() override {
ChromeRenderProcessHostTest::SetUpOnMainThread();
ASSERT_TRUE(embedded_test_server()->InitializeAndListen());
// Set up the server and get the test pages.
base::FilePath test_data_dir;
ASSERT_TRUE(
base::PathService::Get(base::DIR_SRC_TEST_DATA_ROOT, &test_data_dir));
embedded_test_server()->ServeFilesFromDirectory(
test_data_dir.AppendASCII("chrome/test/data/"));
audio_url_ = embedded_test_server()->GetURL("/extensions/loop_audio.html");
no_audio_url_ = embedded_test_server()->GetURL("/title1.html");
embedded_test_server()->StartAcceptingConnections();
// Open a browser, navigate to the audio page and get its WebContents.
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), audio_url_));
audio_tab_web_contents_ =
browser()->tab_strip_model()->GetActiveWebContents();
// Create a new tab for the no audio page and confirm that the process of
// each tab is different and that both are valid.
audio_process_ =
ProcessFromHandle(audio_tab_web_contents_->GetPrimaryMainFrame()
->GetProcess()
->GetProcess()
.Handle());
WebContents* wc = ShowSingletonTab(no_audio_url_);
no_audio_process_ = ProcessFromHandle(
wc->GetPrimaryMainFrame()->GetProcess()->GetProcess().Handle());
ASSERT_NE(audio_process_.Pid(), no_audio_process_.Pid());
ASSERT_TRUE(no_audio_process_.IsValid());
ASSERT_TRUE(audio_process_.IsValid());
}
protected:
void WaitUntilBackgrounded(const base::Process& lhs,
bool lhs_backgrounded,
const base::Process& rhs,
bool rhs_backgrounded) {
EXPECT_TRUE(base::test::RunUntil([&]() {
return IsProcessBackgrounded(lhs) == lhs_backgrounded &&
IsProcessBackgrounded(rhs) == rhs_backgrounded;
}));
}
GURL audio_url_;
GURL no_audio_url_;
base::Process audio_process_;
base::Process no_audio_process_;
raw_ptr<content::WebContents, AcrossTasksDanglingUntriaged>
audio_tab_web_contents_;
private:
base::test::ScopedFeatureList feature_list_;
};
// Test to make sure that a process is backgrounded when the audio stops playing
// from the active tab and there is an immediate tab switch.
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostBackgroundingTestWithAudio,
ProcessPriorityAfterStoppedAudio) {
// This test is invalid on platforms that can't set priority.
if (!base::Process::CanSetPriority()) {
return;
}
ShowSingletonTab(audio_url_);
// Wait until the no audio page is backgrounded and the audio page is not
// backgrounded.
WaitUntilBackgrounded(no_audio_process_, true, audio_process_, false);
// Pause the audio and immediately switch to the no audio tab.
ASSERT_TRUE(
content::ExecJs(audio_tab_web_contents_.get(),
"document.getElementById('audioPlayer').pause();"));
ShowSingletonTab(no_audio_url_);
// Wait until the no audio page is not backgrounded and the audio page is
// backgrounded.
WaitUntilBackgrounded(no_audio_process_, false, audio_process_, true);
}
// Test to make sure that a process is backgrounded automatically when audio
// stops playing from a hidden tab.
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostBackgroundingTestWithAudio,
ProcessPriorityAfterAudioStopsOnNotVisibleTab) {
// This test is invalid on platforms that can't set priority.
if (!base::Process::CanSetPriority()) {
return;
}
// Wait until the two pages are not backgrounded.
WaitUntilBackgrounded(audio_process_, false, no_audio_process_, false);
// Stop the audio.
ASSERT_TRUE(
content::ExecJs(audio_tab_web_contents_.get(),
"document.getElementById('audioPlayer').pause();"));
// Wait until the no audio page is not backgrounded and the audio page is
// backgrounded.
WaitUntilBackgrounded(no_audio_process_, false, audio_process_, true);
}
// Test to make sure that a process is un-backgrounded automatically when
// audio
// starts playing from a backgrounded tab.
IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostBackgroundingTestWithAudio,
ProcessPriorityAfterAudioStartsFromBackgroundTab) {
// This test is invalid on platforms that can't background.
if (!base::Process::CanSetPriority()) {
return;
}
// Stop the audio.
ASSERT_TRUE(
content::ExecJs(audio_tab_web_contents_.get(),
"document.getElementById('audioPlayer').pause();"));
WaitUntilBackgrounded(no_audio_process_, false, audio_process_, true);
// Start the audio from the backgrounded tab.
ASSERT_TRUE(
content::ExecJs(audio_tab_web_contents_.get(),
"document.getElementById('audioPlayer').play();"));
// Wait until the two pages are not backgrounded.
WaitUntilBackgrounded(no_audio_process_, false, audio_process_, false);
}
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