1 // Copyright 2014 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.
5 #include "base/command_line.h"
6 #include "content/browser/frame_host/frame_tree.h"
7 #include "content/browser/frame_host/frame_tree_node.h"
8 #include "content/browser/renderer_host/render_view_host_impl.h"
9 #include "content/browser/web_contents/web_contents_impl.h"
10 #include "content/public/browser/notification_service.h"
11 #include "content/public/browser/notification_types.h"
12 #include "content/public/common/content_switches.h"
13 #include "content/public/common/url_constants.h"
14 #include "content/public/test/browser_test_utils.h"
15 #include "content/public/test/content_browser_test.h"
16 #include "content/public/test/content_browser_test_utils.h"
17 #include "content/public/test/test_navigation_observer.h"
18 #include "content/public/test/test_utils.h"
19 #include "content/shell/browser/shell.h"
20 #include "content/test/content_browser_test_utils_internal.h"
21 #include "net/dns/mock_host_resolver.h"
25 class FrameTreeBrowserTest
: public ContentBrowserTest
{
27 FrameTreeBrowserTest() {}
30 DISALLOW_COPY_AND_ASSIGN(FrameTreeBrowserTest
);
33 // Ensures FrameTree correctly reflects page structure during navigations.
34 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest
, FrameTreeShape
) {
35 host_resolver()->AddRule("*", "127.0.0.1");
36 ASSERT_TRUE(test_server()->Start());
38 GURL base_url
= test_server()->GetURL("files/site_isolation/");
39 GURL::Replacements replace_host
;
40 std::string
host_str("A.com"); // Must stay in scope with replace_host.
41 replace_host
.SetHostStr(host_str
);
42 base_url
= base_url
.ReplaceComponents(replace_host
);
44 // Load doc without iframes. Verify FrameTree just has root.
47 NavigateToURL(shell(), base_url
.Resolve("blank.html"));
49 static_cast<WebContentsImpl
*>(shell()->web_contents())->
50 GetFrameTree()->root();
51 EXPECT_EQ(0U, root
->child_count());
53 // Add 2 same-site frames. Verify 3 nodes in tree with proper names.
55 // Site-A Root -- Site-A frame1
57 WindowedNotificationObserver
observer1(
58 content::NOTIFICATION_LOAD_STOP
,
59 content::Source
<NavigationController
>(
60 &shell()->web_contents()->GetController()));
61 NavigateToURL(shell(), base_url
.Resolve("frames-X-X.html"));
63 ASSERT_EQ(2U, root
->child_count());
64 EXPECT_EQ(0U, root
->child_at(0)->child_count());
65 EXPECT_EQ(0U, root
->child_at(1)->child_count());
68 // TODO(ajwong): Talk with nasko and merge this functionality with
70 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest
, FrameTreeShape2
) {
71 ASSERT_TRUE(test_server()->Start());
72 NavigateToURL(shell(),
73 test_server()->GetURL("files/frame_tree/top.html"));
75 WebContentsImpl
* wc
= static_cast<WebContentsImpl
*>(shell()->web_contents());
76 FrameTreeNode
* root
= wc
->GetFrameTree()->root();
78 // Check that the root node is properly created.
79 ASSERT_EQ(3UL, root
->child_count());
80 EXPECT_EQ(std::string(), root
->frame_name());
82 ASSERT_EQ(2UL, root
->child_at(0)->child_count());
83 EXPECT_STREQ("1-1-name", root
->child_at(0)->frame_name().c_str());
85 // Verify the deepest node exists and has the right name.
86 ASSERT_EQ(2UL, root
->child_at(2)->child_count());
87 EXPECT_EQ(1UL, root
->child_at(2)->child_at(1)->child_count());
88 EXPECT_EQ(0UL, root
->child_at(2)->child_at(1)->child_at(0)->child_count());
89 EXPECT_STREQ("3-1-name",
90 root
->child_at(2)->child_at(1)->child_at(0)->frame_name().c_str());
92 // Navigate to about:blank, which should leave only the root node of the frame
93 // tree in the browser process.
94 NavigateToURL(shell(), test_server()->GetURL("files/title1.html"));
96 root
= wc
->GetFrameTree()->root();
97 EXPECT_EQ(0UL, root
->child_count());
98 EXPECT_EQ(std::string(), root
->frame_name());
101 // Test that we can navigate away if the previous renderer doesn't clean up its
103 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest
, FrameTreeAfterCrash
) {
104 ASSERT_TRUE(test_server()->Start());
105 NavigateToURL(shell(),
106 test_server()->GetURL("files/frame_tree/top.html"));
108 // Crash the renderer so that it doesn't send any FrameDetached messages.
109 RenderProcessHostWatcher
crash_observer(
110 shell()->web_contents(),
111 RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT
);
112 NavigateToURL(shell(), GURL(kChromeUICrashURL
));
113 crash_observer
.Wait();
115 // The frame tree should be cleared.
116 WebContentsImpl
* wc
= static_cast<WebContentsImpl
*>(shell()->web_contents());
117 FrameTreeNode
* root
= wc
->GetFrameTree()->root();
118 EXPECT_EQ(0UL, root
->child_count());
120 // Navigate to a new URL.
121 GURL
url(test_server()->GetURL("files/title1.html"));
122 NavigateToURL(shell(), url
);
123 EXPECT_EQ(0UL, root
->child_count());
124 EXPECT_EQ(url
, root
->current_url());
127 // Test that we can navigate away if the previous renderer doesn't clean up its
129 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest
, NavigateWithLeftoverFrames
) {
130 host_resolver()->AddRule("*", "127.0.0.1");
131 ASSERT_TRUE(test_server()->Start());
133 GURL base_url
= test_server()->GetURL("files/site_isolation/");
134 GURL::Replacements replace_host
;
135 std::string
host_str("A.com"); // Must stay in scope with replace_host.
136 replace_host
.SetHostStr(host_str
);
137 base_url
= base_url
.ReplaceComponents(replace_host
);
139 NavigateToURL(shell(),
140 test_server()->GetURL("files/frame_tree/top.html"));
142 // Hang the renderer so that it doesn't send any FrameDetached messages.
143 // (This navigation will never complete, so don't wait for it.)
144 shell()->LoadURL(GURL(kChromeUIHangURL
));
146 // Check that the frame tree still has children.
147 WebContentsImpl
* wc
= static_cast<WebContentsImpl
*>(shell()->web_contents());
148 FrameTreeNode
* root
= wc
->GetFrameTree()->root();
149 ASSERT_EQ(3UL, root
->child_count());
151 // Navigate to a new URL. We use LoadURL because NavigateToURL will try to
152 // wait for the previous navigation to stop.
153 TestNavigationObserver
tab_observer(wc
, 1);
154 shell()->LoadURL(base_url
.Resolve("blank.html"));
157 // The frame tree should now be cleared.
158 EXPECT_EQ(0UL, root
->child_count());
161 class CrossProcessFrameTreeBrowserTest
: public ContentBrowserTest
{
163 CrossProcessFrameTreeBrowserTest() {}
165 virtual void SetUpCommandLine(base::CommandLine
* command_line
) OVERRIDE
{
166 command_line
->AppendSwitch(switches::kSitePerProcess
);
170 DISALLOW_COPY_AND_ASSIGN(CrossProcessFrameTreeBrowserTest
);
173 // Ensure that we can complete a cross-process subframe navigation.
174 #if defined(OS_ANDROID)
175 #define MAYBE_CreateCrossProcessSubframeProxies DISABLED_CreateCrossProcessSubframeProxies
177 #define MAYBE_CreateCrossProcessSubframeProxies CreateCrossProcessSubframeProxies
179 IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest
,
180 MAYBE_CreateCrossProcessSubframeProxies
) {
181 host_resolver()->AddRule("*", "127.0.0.1");
182 ASSERT_TRUE(test_server()->Start());
183 GURL
main_url(test_server()->GetURL("files/site_per_process_main.html"));
184 NavigateToURL(shell(), main_url
);
186 // It is safe to obtain the root frame tree node here, as it doesn't change.
187 FrameTreeNode
* root
= static_cast<WebContentsImpl
*>(shell()->web_contents())
188 ->GetFrameTree()->root();
190 // There should not be a proxy for the root's own SiteInstance.
191 SiteInstance
* root_instance
= root
->current_frame_host()->GetSiteInstance();
192 EXPECT_FALSE(root
->render_manager()->GetRenderFrameProxyHost(root_instance
));
194 // Load same-site page into iframe.
195 GURL
http_url(test_server()->GetURL("files/title1.html"));
196 NavigateFrameToURL(root
->child_at(0), http_url
);
198 // These must stay in scope with replace_host.
199 GURL::Replacements replace_host
;
200 std::string
foo_com("foo.com");
202 // Load cross-site page into iframe.
203 GURL
cross_site_url(test_server()->GetURL("files/title2.html"));
204 replace_host
.SetHostStr(foo_com
);
205 cross_site_url
= cross_site_url
.ReplaceComponents(replace_host
);
206 NavigateFrameToURL(root
->child_at(0), cross_site_url
);
208 // Ensure that we have created a new process for the subframe.
209 ASSERT_EQ(1U, root
->child_count());
210 FrameTreeNode
* child
= root
->child_at(0);
211 SiteInstance
* child_instance
= child
->current_frame_host()->GetSiteInstance();
212 RenderViewHost
* rvh
= child
->current_frame_host()->render_view_host();
213 RenderProcessHost
* rph
= child
->current_frame_host()->GetProcess();
215 EXPECT_NE(shell()->web_contents()->GetRenderViewHost(), rvh
);
216 EXPECT_NE(shell()->web_contents()->GetSiteInstance(), child_instance
);
217 EXPECT_NE(shell()->web_contents()->GetRenderProcessHost(), rph
);
219 // Ensure that the root node has a proxy for the child node's SiteInstance.
220 EXPECT_TRUE(root
->render_manager()->GetRenderFrameProxyHost(child_instance
));
222 // Also ensure that the child has a proxy for the root node's SiteInstance.
223 EXPECT_TRUE(child
->render_manager()->GetRenderFrameProxyHost(root_instance
));
225 // The nodes should not have proxies for their own SiteInstance.
226 EXPECT_FALSE(root
->render_manager()->GetRenderFrameProxyHost(root_instance
));
228 child
->render_manager()->GetRenderFrameProxyHost(child_instance
));
231 } // namespace content