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content / browser / renderer_host / page_impl_browsertest.cc [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/page_impl.h"
#include "base/command_line.h"
#include "base/memory/weak_ptr.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/content_navigation_policy.h"
#include "content/public/browser/page.h"
#include "content/public/browser/page_user_data.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_features.h"
#include "content/public/test/back_forward_cache_util.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/mock_web_contents_observer.h"
#include "content/public/test/prerender_test_util.h"
#include "content/public/test/render_frame_host_test_support.h"
#include "content/public/test/test_navigation_observer.h"
#include "content/public/test/test_utils.h"
#include "content/public/test/url_loader_interceptor.h"
#include "content/shell/browser/shell.h"
#include "content/test/content_browser_test_utils_internal.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
namespace content {
namespace {
int next_id = 0;
// Example class which inherits the PageUserData, all the data is
// associated to the lifetime of the page.
class Data : public PageUserData<Data> {
public:
~Data() override;
base::WeakPtr<Data> GetWeakPtr() { return weak_ptr_factory_.GetWeakPtr(); }
int unique_id() { return unique_id_; }
private:
explicit Data(Page& page) : PageUserData(page) { unique_id_ = ++next_id; }
friend class content::PageUserData<Data>;
int unique_id_;
base::WeakPtrFactory<Data> weak_ptr_factory_{this};
PAGE_USER_DATA_KEY_DECL();
};
PAGE_USER_DATA_KEY_IMPL(Data);
Data::~Data() {
// Both Page and RenderFrameHost should be non-null and valid before Data
// deletion, as they will be destroyed after PageUserData destruction.
EXPECT_TRUE(&page());
EXPECT_TRUE(&(page().GetMainDocument()));
}
} // namespace
class PageImplTest : public ContentBrowserTest {
public:
~PageImplTest() override = default;
protected:
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
ContentBrowserTest::SetUpOnMainThread();
}
WebContentsImpl* web_contents() const {
return static_cast<WebContentsImpl*>(shell()->web_contents());
}
RenderFrameHostImpl* primary_main_frame_host() {
return web_contents()->GetPrimaryFrameTree().root()->current_frame_host();
}
PageImpl& page() { return primary_main_frame_host()->GetPage(); }
Data* CreateOrGetDataForPage(Page& page) {
Data* data = Data::GetOrCreateForPage(page);
EXPECT_TRUE(data);
return data;
}
void EnsureEqualPageUserData(Data* data_a, Data* data_b) {
EXPECT_EQ(data_a->unique_id(), data_b->unique_id());
}
};
class PageImplPrerenderBrowserTest : public PageImplTest {
public:
PageImplPrerenderBrowserTest()
: prerender_helper_(
base::BindRepeating(&PageImplPrerenderBrowserTest::GetWebContents,
base::Unretained(this))) {}
void SetUp() override {
prerender_helper_.RegisterServerRequestMonitor(embedded_test_server());
PageImplTest::SetUp();
}
content::test::PrerenderTestHelper& prerender_test_helper() {
return prerender_helper_;
}
content::WebContents* GetWebContents() { return web_contents(); }
protected:
test::PrerenderTestHelper prerender_helper_;
};
// Test that Page and PageUserData objects are same for main RenderFrameHosts
// and subframes which belong to the same Page.
IN_PROC_BROWSER_TEST_F(PageImplTest, AllFramesBelongToTheSamePage) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b)"));
// 1) Navigate to a(b).
EXPECT_TRUE(NavigateToURL(shell(), url_a));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
RenderFrameHostImpl* rfh_b = rfh_a->child_at(0)->current_frame_host();
// 2) Check Page for RenderFrameHosts a and b, they both should point to same
// Page object.
PageImpl& page_a = rfh_a->GetPage();
PageImpl& page_b = rfh_b->GetPage();
EXPECT_EQ(&page_a, &page_b);
EXPECT_TRUE(page_a.IsPrimary());
// 3) Check that PageUserData objects for both pages a and b have same
// unique_id's.
EnsureEqualPageUserData(CreateOrGetDataForPage(page_a),
CreateOrGetDataForPage(page_b));
}
// Test that Page and PageUserData objects are accessible inside
// RenderFrameDeleted callback.
IN_PROC_BROWSER_TEST_F(PageImplTest, RenderFrameHostDeleted) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL("a.com", "/title1.html"));
GURL url_b(embedded_test_server()->GetURL("b.com", "/title1.html"));
// 1) Navigate to A.
EXPECT_TRUE(NavigateToURL(shell(), url_a));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
PageImpl& page_a = rfh_a->GetPage();
base::WeakPtr<Data> data = CreateOrGetDataForPage(page_a)->GetWeakPtr();
RenderFrameDeletedObserver delete_rfh_a(rfh_a);
// 2) PageUserData associated with page_a should be valid when
// RenderFrameDeleted callback is invoked.
testing::NiceMock<MockWebContentsObserver> observer(shell()->web_contents());
EXPECT_CALL(observer, RenderFrameDeleted(testing::_))
.WillOnce(
testing::Invoke([data, rfh_a](RenderFrameHost* render_frame_host) {
// Both PageUserData and Page objects should be accessible before
// RenderFrameHost deletion.
EXPECT_EQ(rfh_a, render_frame_host);
DCHECK(&render_frame_host->GetPage());
EXPECT_TRUE(data);
}));
// Test needs rfh_a to be deleted after navigating but it doesn't happen with
// BackForwardCache as it is stored in cache.
DisableBackForwardCacheForTesting(web_contents(),
BackForwardCache::TEST_REQUIRES_NO_CACHING);
// 3) Navigate to B, deleting rfh_a.
EXPECT_TRUE(NavigateToURL(shell(), url_b));
delete_rfh_a.WaitUntilDeleted();
}
// Test basic functionality of PageUserData.
IN_PROC_BROWSER_TEST_F(PageImplTest, GetCreateAndDeleteUserDataForPage) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL("a.com", "/title1.html"));
// 1) Navigate to A.
EXPECT_TRUE(NavigateToURL(shell(), url_a));
PageImpl& page_a = page();
// 2) Get the Data associated with this Page. It should be null
// before creation.
Data* data = Data::GetForPage(page_a);
EXPECT_FALSE(data);
// 3) Create Data and check that GetForPage shouldn't return null
// now.
Data::CreateForPage(page_a);
base::WeakPtr<Data> created_data = Data::GetForPage(page_a)->GetWeakPtr();
EXPECT_TRUE(created_data);
// 4) Delete Data and check that GetForPage should return null.
Data::DeleteForPage(page_a);
EXPECT_FALSE(created_data);
EXPECT_FALSE(Data::GetForPage(page_a));
}
// Test GetOrCreateForPage API of PageUserData.
IN_PROC_BROWSER_TEST_F(PageImplTest, GetOrCreateForPage) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL("a.com", "/title1.html"));
// 1) Navigate to A.
EXPECT_TRUE(NavigateToURL(shell(), url_a));
PageImpl& page_a = page();
// 2) Get the Data associated with this RenderFrameHost. It should be null
// before creation.
Data* data = Data::GetForPage(page_a);
EXPECT_FALSE(data);
// 3) |GetOrCreateForPage| should create Data.
base::WeakPtr<Data> created_data =
Data::GetOrCreateForPage(page_a)->GetWeakPtr();
EXPECT_TRUE(created_data);
// 4) Another call to |GetOrCreateForPage| should not create the
// new data and the previous data created in 3) should be preserved.
Data* new_created_data = Data::GetOrCreateForPage(page_a);
EXPECT_TRUE(created_data);
EnsureEqualPageUserData(created_data.get(), new_created_data);
}
// Test that the Page object doesn't change for new subframe RFHs after
// subframes does a cross-site or same-site navigation.
//
// 1) Navigate to A(A1, B).
// 2) Navigate cross site A1 to C.
// 3) Navigate same site B to B2.
IN_PROC_BROWSER_TEST_F(PageImplTest, PageObjectAfterSubframeNavigation) {
ASSERT_TRUE(embedded_test_server()->Start());
// 1) Navigate to A1(A2, B).
GURL main_url(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(a,b)"));
EXPECT_TRUE(NavigateToURL(shell(), main_url));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
RenderFrameHostImpl* rfh_a2 = rfh_a->child_at(0)->current_frame_host();
RenderFrameHostImpl* rfh_b = rfh_a->child_at(1)->current_frame_host();
// It is safe to obtain the root frame tree node here, as it doesn't change.
FrameTreeNode* root = web_contents()->GetPrimaryFrameTree().root();
// 2) Check that Page for A1, A2, B point to same object.
PageImpl& page_a = rfh_a->GetPage();
PageImpl& page_a2 = rfh_a2->GetPage();
PageImpl& page_b = rfh_b->GetPage();
EXPECT_EQ(&page_a, &page_a2);
EXPECT_EQ(&page_a2, &page_b);
// 3) Navigate subframe cross-site from A2 -> C.
GURL url_c = embedded_test_server()->GetURL("c.com", "/title1.html");
EXPECT_TRUE(NavigateToURLFromRenderer(root->child_at(0), url_c));
// 4) Page object of new subframe C should be same as page_a.
RenderFrameHostImpl* rfh_c = rfh_a->child_at(0)->current_frame_host();
PageImpl& page_c = rfh_c->GetPage();
EXPECT_EQ(&page_c, &page_a);
// 5) Navigate subframe same-site from B -> B2.
GURL url_b = embedded_test_server()->GetURL("b.com", "/title2.html");
EXPECT_TRUE(NavigateToURLFromRenderer(root->child_at(1), url_b));
// 6) Page object of new subframe B2 should be same as page_a.
RenderFrameHostImpl* rfh_b2 = rfh_a->child_at(1)->current_frame_host();
PageImpl& page_b2 = rfh_b2->GetPage();
EXPECT_EQ(&page_b2, &page_a);
}
// Test that Page and PageUserData object remains the same for pending page
// before and after commit.
IN_PROC_BROWSER_TEST_F(PageImplTest, PageObjectBeforeAndAfterCommit) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL("a.com", "/title1.html"));
GURL url_b(embedded_test_server()->GetURL("b.com", "/title2.html"));
// Isolate "b.com" so we are guaranteed to get a different process
// for navigations to this origin on Android. Doing this ensures that a
// speculative RenderFrameHost is used.
IsolateOriginsForTesting(embedded_test_server(), shell()->web_contents(),
{"b.com"});
// 1) Navigate to A.
EXPECT_TRUE(NavigateToURL(shell(), url_a));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
PageImpl& page_a = rfh_a->GetPage();
base::WeakPtr<Data> data_a = CreateOrGetDataForPage(page_a)->GetWeakPtr();
// 2) Start navigation to B, but don't commit yet.
TestNavigationManager manager(shell()->web_contents(), url_b);
shell()->LoadURL(url_b);
manager.WaitForSpeculativeRenderFrameHostCreation();
FrameTreeNode* root = web_contents()->GetPrimaryFrameTree().root();
RenderFrameHostImpl* pending_rfh =
root->render_manager()->speculative_frame_host();
NavigationRequest* navigation_request = root->navigation_request();
EXPECT_EQ(navigation_request->GetAssociatedRFHType(),
NavigationRequest::AssociatedRenderFrameHostType::SPECULATIVE);
EXPECT_TRUE(pending_rfh);
// 3) While there is a speculative RenderFrameHost in the root FrameTreeNode,
// get the Page associated with this RenderFrameHost and PageUserData
// associated with this Page.
PageImpl& pending_rfh_page = pending_rfh->GetPage();
EXPECT_NE(&pending_rfh_page, &page_a);
EXPECT_TRUE(page_a.IsPrimary());
EXPECT_FALSE(pending_rfh_page.IsPrimary());
base::WeakPtr<Data> data_before_commit =
CreateOrGetDataForPage(pending_rfh_page)->GetWeakPtr();
EXPECT_NE(data_before_commit.get()->unique_id(), data_a.get()->unique_id());
// 4) Let the navigation finish and make sure it has succeeded.
ASSERT_TRUE(manager.WaitForNavigationFinished());
EXPECT_EQ(url_b,
web_contents()->GetPrimaryMainFrame()->GetLastCommittedURL());
RenderFrameHostImpl* rfh_b = primary_main_frame_host();
EXPECT_EQ(pending_rfh, rfh_b);
PageImpl& rfh_b_page = rfh_b->GetPage();
// 5) Check |pending_rfh_page| and |rfh_b_page| point to the same object.
EXPECT_EQ(&pending_rfh_page, &rfh_b_page);
EXPECT_TRUE(rfh_b_page.IsPrimary());
}
// Test that WebContentsObserver::PrimaryPageChanged is invoked on primary page
// changes after page related data is updated e.g. LastCommittedURL.
IN_PROC_BROWSER_TEST_F(PageImplTest, PrimaryPageChangedOnCrossSiteNavigation) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b, c)"));
GURL url_b(embedded_test_server()->GetURL("b.com", "/title1.html"));
// 1) Navigate to A.
EXPECT_TRUE(NavigateToURL(shell(), url_a));
Page* invoked_page;
GURL last_committed_url;
int http_status_code;
// 2) Invoke MockWebContentsObserver to check the values inside
// PrimaryPageChanged(Page&) match the ones inside
// DidFinishNavigation(NavigationHandle*).
WebContents* contents = web_contents();
testing::NiceMock<MockWebContentsObserver> web_contents_observer(contents);
testing::InSequence s;
{
// 3) Stores the values of page invoked on PrimaryPageChanged and
// LastCommittedUrl, HttpStatusCode to match with ones inside
// DidFinishNavigation and page after navigation.
EXPECT_CALL(web_contents_observer, PrimaryPageChanged(testing::_))
.WillOnce(testing::Invoke([&invoked_page, &last_committed_url,
&http_status_code, url_b, this](Page& page) {
invoked_page = &page;
last_committed_url = page.GetMainDocument().GetLastCommittedURL();
http_status_code = web_contents()
->GetController()
.GetVisibleEntry()
->GetHttpStatusCode();
EXPECT_EQ(last_committed_url, url_b);
EXPECT_TRUE(page.IsPrimary());
EXPECT_EQ(&web_contents()->GetPrimaryPage(), &page);
}));
EXPECT_CALL(web_contents_observer, DidFinishNavigation(testing::_))
.WillOnce(testing::Invoke([&last_committed_url, &http_status_code](
NavigationHandle* navigation_handle) {
EXPECT_EQ(navigation_handle->GetURL(), last_committed_url);
EXPECT_EQ(http_status_code, navigation_handle->GetWebContents()
->GetController()
.GetVisibleEntry()
->GetHttpStatusCode());
}));
}
// 4) Navigate to B. PrimaryPageChanged and DidFinishNavigation should be
// triggered for new `page_b` and should match `invoked_page`.
EXPECT_TRUE(NavigateToURL(shell(), url_b));
RenderFrameHostImpl* rfh_b = primary_main_frame_host();
PageImpl& page_b = rfh_b->GetPage();
EXPECT_EQ(&page_b, invoked_page);
}
// Test that a new Page object is created for a same-site same-RFH navigation.
IN_PROC_BROWSER_TEST_F(PageImplTest, SameSiteSameRenderFrameHostNavigation) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a1(embedded_test_server()->GetURL("a.com", "/title1.html"));
GURL url_a2(embedded_test_server()->GetURL("a.com", "/title2.html"));
// 1) Navigate to A1.
EXPECT_TRUE(NavigateToURL(shell(), url_a1));
RenderFrameHostImplWrapper main_rfh_a1(primary_main_frame_host());
base::WeakPtr<Page> page_a1 = main_rfh_a1->GetPage().GetWeakPtr();
testing::NiceMock<MockWebContentsObserver> page_changed_observer(
web_contents());
base::WeakPtr<Data> data = CreateOrGetDataForPage(*page_a1)->GetWeakPtr();
// 2) Navigate to A2. This will result in invoking PrimaryPageChanged
// callback.
EXPECT_CALL(page_changed_observer, PrimaryPageChanged(testing::_)).Times(1);
EXPECT_TRUE(NavigateToURL(shell(), url_a2));
RenderFrameHostImplWrapper main_rfh_a2(primary_main_frame_host());
EXPECT_EQ(CanSameSiteMainFrameNavigationsChangeRenderFrameHosts(),
main_rfh_a1.get() != main_rfh_a2.get());
PageImpl& page_a2 = main_rfh_a2.get()->GetPage();
if (IsBackForwardCacheEnabled()) {
// 3a) With back/forward cache enabled, both Page objects should be in
// existence at the same time.
EXPECT_TRUE(page_a1);
EXPECT_NE(page_a1.get(), &page_a2);
// And the user data associated with the page (now in bfcache) should also
// still be alive.
EXPECT_TRUE(data);
} else {
// 3b) Otherwise, check that the old Page object was destroyed. There is no
// other way to validate that the old Page and new Page are different:
// comparing pointer values is not a stable test, since the new Page could
// be reallocated at the same address.
EXPECT_FALSE(page_a1);
// Similarly, expect any PageUserData from the old Page to be gone.
EXPECT_FALSE(data);
}
}
// Test that a new Page object is created when RenderFrame is recreated after
// crash.
IN_PROC_BROWSER_TEST_F(PageImplTest, NewPageObjectCreatedOnFrameCrash) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL("a.com", "/title1.html"));
// 1) Navigate to A.
EXPECT_TRUE(NavigateToURL(shell(), url_a));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
base::WeakPtr<Page> page_a = rfh_a->GetPage().GetWeakPtr();
testing::NiceMock<MockWebContentsObserver> page_changed_observer(
web_contents());
base::WeakPtr<Data> data = CreateOrGetDataForPage(*page_a)->GetWeakPtr();
// 2) Make the renderer crash this should not reset the Page or delete the
// PageUserData.
RenderProcessHost* renderer_process = rfh_a->GetProcess();
RenderProcessHostWatcher crash_observer(
renderer_process, RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
renderer_process->Shutdown(0);
crash_observer.Wait();
EXPECT_TRUE(&(rfh_a->GetPage()));
EXPECT_TRUE(data);
// 3) Re-initialize RenderFrame, this should result in invoking
// PrimaryPageChanged callback.
EXPECT_CALL(page_changed_observer, PrimaryPageChanged(testing::_)).Times(1);
FrameTreeNode* root = web_contents()->GetPrimaryFrameTree().root();
root->render_manager()->InitializeMainRenderFrameForImmediateUse();
// 4) Check that the old Page object was destroyed. There is no other way to
// validate that the old Page and new Page are different: comparing pointer
// values is not a stable test, since the new Page could be reallocated at the
// same address.
EXPECT_FALSE(page_a);
// Similarly, expect any PageUserData from the old Page to be gone.
EXPECT_FALSE(data);
}
// Test that a new Page object is created when we do a same-site navigation
// after renderer crashes.
IN_PROC_BROWSER_TEST_F(PageImplTest, SameSiteNavigationAfterFrameCrash) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a1(embedded_test_server()->GetURL("a.com", "/title1.html"));
GURL url_a2(embedded_test_server()->GetURL("a.com", "/title2.html"));
// 1) Navigate to A1.
EXPECT_TRUE(NavigateToURL(shell(), url_a1));
RenderFrameHostImpl* rfh_a1 = primary_main_frame_host();
base::WeakPtr<Page> page_a1 = rfh_a1->GetPage().GetWeakPtr();
testing::NiceMock<MockWebContentsObserver> page_changed_observer(
web_contents());
base::WeakPtr<Data> data = CreateOrGetDataForPage(*page_a1)->GetWeakPtr();
// 2) Crash the renderer hosting current RFH. This should not reset the Page
// or delete the PageUserData.
RenderProcessHost* renderer_process = rfh_a1->GetProcess();
RenderProcessHostWatcher crash_observer(
renderer_process, RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
renderer_process->Shutdown(0);
crash_observer.Wait();
EXPECT_TRUE(&(web_contents()->GetPrimaryMainFrame()->GetPage()));
EXPECT_TRUE(data);
// 3) Navigate same-site to A2. This will result in invoking
// PrimaryPageChanged callback after new Page creation.
EXPECT_CALL(page_changed_observer, PrimaryPageChanged(testing::_)).Times(1);
EXPECT_TRUE(NavigateToURL(shell(), url_a2));
// 4) Check that the old Page object was destroyed. There is no other way to
// validate that the old Page and new Page are different: comparing pointer
// values is not a stable test, since the new Page could be reallocated at the
// same address.
EXPECT_FALSE(page_a1);
// Similarly, expect any PageUserData from the old Page to be gone.
EXPECT_FALSE(data);
}
// Test PageImpl with BackForwardCache feature enabled.
class PageImplWithBackForwardCacheTest : public PageImplTest {
public:
PageImplWithBackForwardCacheTest() {
scoped_feature_list_.InitWithFeaturesAndParameters(
GetDefaultEnabledBackForwardCacheFeaturesForTesting(
/*ignore_outstanding_network_request=*/false),
GetDefaultDisabledBackForwardCacheFeaturesForTesting());
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
};
// Tests that PageImpl object is not cleared on storing and restoring a Page
// from back-forward cache.
IN_PROC_BROWSER_TEST_F(PageImplWithBackForwardCacheTest,
BackForwardCacheNavigation) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b)"));
GURL url_c(embedded_test_server()->GetURL("c.com", "/title1.html"));
// 1) Navigate to A(B).
EXPECT_TRUE(NavigateToURL(shell(), url_a));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
RenderFrameHostImpl* rfh_b = rfh_a->child_at(0)->current_frame_host();
testing::NiceMock<MockWebContentsObserver> page_changed_observer(
web_contents());
// 2) Get the PageImpl object associated with A and B RenderFrameHost.
PageImpl& page_a = rfh_a->GetPage();
PageImpl& page_b = rfh_b->GetPage();
Data* data = CreateOrGetDataForPage(page_a);
// 3) Navigate to C. PrimaryPageChanged should be triggered as A(B) is stored
// in BackForwardCache.
EXPECT_CALL(page_changed_observer, PrimaryPageChanged(testing::_)).Times(1);
EXPECT_TRUE(NavigateToURL(shell(), url_c));
EXPECT_TRUE(rfh_a->IsInBackForwardCache());
EXPECT_TRUE(rfh_b->IsInBackForwardCache());
EXPECT_FALSE(page_a.IsPrimary());
EXPECT_FALSE(page_b.IsPrimary());
// 4) PageImpl associated with document should point to the same object.
// PageUserData should not be deleted on navigating away with
// BackForwardCache.
EXPECT_EQ(&page_a, &(rfh_a->GetPage()));
EXPECT_EQ(&page_b, &(rfh_b->GetPage()));
EXPECT_TRUE(data);
// 5) Go back to A(B) and the Page object before and after restore should
// point to the same object. PrimaryPageChanged should still be triggered when
// primary page changes to the existing page restored from the
// BackForwardCache point to the same object and PageUserData should not be
// deleted.
EXPECT_CALL(page_changed_observer, PrimaryPageChanged(testing::_)).Times(1);
web_contents()->GetController().GoBack();
EXPECT_TRUE(WaitForLoadStop(shell()->web_contents()));
EXPECT_EQ(&page_a, &(rfh_a->GetPage()));
EXPECT_EQ(&page_b, &(rfh_b->GetPage()));
EXPECT_TRUE(page_a.IsPrimary());
EXPECT_TRUE(page_b.IsPrimary());
EXPECT_TRUE(data);
}
// Tests that PageImpl object is correct for IsPrimary.
IN_PROC_BROWSER_TEST_F(PageImplPrerenderBrowserTest, IsPrimary) {
ASSERT_TRUE(embedded_test_server()->Start());
// Navigate to a site.
GURL url_a = embedded_test_server()->GetURL("/empty.html");
EXPECT_TRUE(NavigateToURL(shell(), url_a));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
EXPECT_TRUE(rfh_a->GetPage().IsPrimary());
testing::NiceMock<MockWebContentsObserver> page_changed_observer(
web_contents());
// Prerender to another site.
GURL prerender_url = embedded_test_server()->GetURL("/title2.html");
prerender_helper_.AddPrerender(prerender_url);
FrameTreeNodeId host_id =
prerender_test_helper().GetHostForUrl(prerender_url);
content::test::PrerenderHostObserver host_observer(*web_contents(), host_id);
content::RenderFrameHost* prerender_frame =
prerender_test_helper().GetPrerenderedMainFrameHost(host_id);
Page& prerender_page = prerender_frame->GetPage();
EXPECT_FALSE(prerender_page.IsPrimary());
// Navigate to the prerendered site. PrimaryPageChanged should only be
// triggered on activation.
EXPECT_CALL(page_changed_observer, PrimaryPageChanged(testing::_)).Times(1);
prerender_helper_.NavigatePrimaryPage(prerender_url);
EXPECT_TRUE(host_observer.was_activated());
EXPECT_EQ(&prerender_page, &(primary_main_frame_host()->GetPage()));
EXPECT_TRUE(prerender_page.IsPrimary());
}
// Tests that IsPrimary returns false when pending deletion.
IN_PROC_BROWSER_TEST_F(PageImplPrerenderBrowserTest, IsPrimaryPendingDeletion) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL url_a(embedded_test_server()->GetURL(
"a.com", "/cross_site_iframe_factory.html?a(b)"));
GURL url_d(embedded_test_server()->GetURL("d.com", "/title1.html"));
EXPECT_TRUE(NavigateToURL(shell(), url_a));
RenderFrameHostImpl* rfh_a = primary_main_frame_host();
RenderFrameHostImpl* rfh_b = rfh_a->child_at(0)->current_frame_host();
EXPECT_TRUE(rfh_a->GetPage().IsPrimary());
EXPECT_TRUE(rfh_b->GetPage().IsPrimary());
LeaveInPendingDeletionState(rfh_a);
LeaveInPendingDeletionState(rfh_b);
EXPECT_TRUE(NavigateToURL(shell(), url_d));
EXPECT_FALSE(rfh_a->GetPage().IsPrimary());
EXPECT_FALSE(rfh_b->GetPage().IsPrimary());
}
} // namespace content