Create FrameNavigationEntries for manual subframe navigations.

content/browser/frame_host/navigation_controller_impl_browsertest.cc

 // Copyright 2014 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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "content/browser/frame_host/frame_navigation_entry.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
@@ skipping 930 matching lines @@
     ASSERT_EQ(2U, params.size());
     ASSERT_EQ(2U, details.size());
     EXPECT_EQ(ui::PAGE_TRANSITION_LINK, params[0].transition);
     EXPECT_EQ(NAVIGATION_TYPE_NEW_PAGE, details[0].type);
     EXPECT_EQ(ui::PAGE_TRANSITION_LINK | ui::PAGE_TRANSITION_CLIENT_REDIRECT,
               params[1].transition);
     EXPECT_EQ(NAVIGATION_TYPE_EXISTING_PAGE, details[1].type);
   }
 }
 
-// Verify the tree of FrameNavigationEntries after NAVIGATION_TYPE_AUTO_SUBFRAME
-// commits.
+// Verify the tree of FrameNavigationEntries after NAVIGATION_TYPE_NEW_SUBFRAME
+// and NAVIGATION_TYPE_AUTO_SUBFRAME commits.  Steps:
+// 1. Create an iframe.
+// 2. Create a second iframe.
+// 3. Create a nested iframe in the second iframe.
+// 4. Navigate in the first iframe.
+// 5. Navigate in the nested subframe.
+// 6. Navigate in the second subframe, clearing its existing subtree.
+//
 // TODO(creis): Test cross-site iframes.
 // TODO(creis): Test updating entries for history auto subframe navigations.
 IN_PROC_BROWSER_TEST_F(NavigationControllerBrowserTest,
-                       FrameNavigationEntry_AutoSubframe) {
+                       FrameNavigationEntry_NewAndAutoSubframe) {
   GURL main_url(embedded_test_server()->GetURL(
       "/navigation_controller/simple_page_1.html"));
   NavigateToURL(shell(), main_url);
   const NavigationControllerImpl& controller =
       static_cast<const NavigationControllerImpl&>(
           shell()->web_contents()->GetController());
   FrameTreeNode* root =
       static_cast<WebContentsImpl*>(shell()->web_contents())->
           GetFrameTree()->root();
 
-  // Create an iframe.
+  // 1. Create an iframe.
   GURL frame_url(embedded_test_server()->GetURL(
       "/navigation_controller/simple_page_2.html"));
   {
     LoadCommittedCapturer capturer(shell()->web_contents());
     std::string script = "var iframe = document.createElement('iframe');"
                          "iframe.src = '" + frame_url.spec() + "';"
                          "document.body.appendChild(iframe);";
     EXPECT_TRUE(content::ExecuteScript(root->current_frame_host(), script));
     capturer.Wait();
     EXPECT_EQ(ui::PAGE_TRANSITION_AUTO_SUBFRAME, capturer.transition_type());
@@ skipping 12 matching lines @@
     // The entry should now have a subframe FrameNavigationEntry.
     ASSERT_EQ(1U, entry->root_node()->children.size());
     FrameNavigationEntry* frame_entry =
         entry->root_node()->children[0]->frame_entry.get();
     EXPECT_EQ(frame_url, frame_entry->url());
   } else {
     // There are no subframe FrameNavigationEntries by default.
     EXPECT_EQ(0U, entry->root_node()->children.size());
   }
 
-  // Create a second iframe.
+  // 2. Create a second iframe.
   {
     LoadCommittedCapturer capturer(shell()->web_contents());
     std::string script = "var iframe = document.createElement('iframe');"
                          "iframe.src = '" + frame_url.spec() + "';"
                          "document.body.appendChild(iframe);";
     EXPECT_TRUE(content::ExecuteScript(root->current_frame_host(), script));
     capturer.Wait();
     EXPECT_EQ(ui::PAGE_TRANSITION_AUTO_SUBFRAME, capturer.transition_type());
   }
 
@@ skipping 10 matching lines @@
     // The entry should now have 2 subframe FrameNavigationEntries.
     ASSERT_EQ(2U, entry->root_node()->children.size());
     FrameNavigationEntry* frame_entry =
         entry->root_node()->children[1]->frame_entry.get();
     EXPECT_EQ(frame_url, frame_entry->url());
   } else {
     // There are no subframe FrameNavigationEntries by default.
     EXPECT_EQ(0U, entry->root_node()->children.size());
   }
 
-  // Create a nested iframe in the second subframe.
+  // 3. Create a nested iframe in the second subframe.
   {
     LoadCommittedCapturer capturer(shell()->web_contents());
     std::string script = "var iframe = document.createElement('iframe');"
                          "iframe.src = '" + frame_url.spec() + "';"
                          "document.body.appendChild(iframe);";
     EXPECT_TRUE(content::ExecuteScript(root->child_at(1)->current_frame_host(),
                                        script));
     capturer.Wait();
     EXPECT_EQ(ui::PAGE_TRANSITION_AUTO_SUBFRAME, capturer.transition_type());
   }
@@ skipping 11 matching lines @@
     // The entry should now have 2 subframe FrameNavigationEntries.
     ASSERT_EQ(2U, entry->root_node()->children.size());
     ASSERT_EQ(1U, entry->root_node()->children[1]->children.size());
     FrameNavigationEntry* frame_entry =
         entry->root_node()->children[1]->children[0]->frame_entry.get();
     EXPECT_EQ(frame_url, frame_entry->url());
   } else {
     // There are no subframe FrameNavigationEntries by default.
     EXPECT_EQ(0U, entry->root_node()->children.size());
   }
+
+  // 4. Navigate in the first subframe.
+  GURL frame_url2(embedded_test_server()->GetURL(
+      "/navigation_controller/page_with_links.html"));
+  {
+    FrameNavigateParamsCapturer capturer(root->child_at(0));
+    NavigateFrameToURL(root->child_at(0), frame_url2);
+    capturer.Wait();
+    EXPECT_EQ(ui::PAGE_TRANSITION_MANUAL_SUBFRAME,
+              capturer.params().transition);
+    EXPECT_EQ(NAVIGATION_TYPE_NEW_SUBFRAME, capturer.details().type);
+  }
+
+  // We should create a new NavigationEntry with the same main frame URL.
+  EXPECT_EQ(2, controller.GetEntryCount());
+  EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
+  NavigationEntryImpl* entry2 = controller.GetLastCommittedEntry();
+  EXPECT_NE(entry, entry2);
+  EXPECT_EQ(main_url, entry2->GetURL());
+  FrameNavigationEntry* root_entry2 = entry2->root_node()->frame_entry.get();
+  EXPECT_EQ(main_url, root_entry2->url());
+
+  // Verify subframe entries if we're in --site-per-process mode.
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kSitePerProcess)) {
+    // The entry should still have FrameNavigationEntries for all 3 subframes.
+    ASSERT_EQ(2U, entry2->root_node()->children.size());
+    EXPECT_EQ(frame_url2, entry2->root_node()->children[0]->frame_entry->url());
+    EXPECT_EQ(frame_url, entry2->root_node()->children[1]->frame_entry->url());
+    ASSERT_EQ(1U, entry2->root_node()->children[1]->children.size());
+    EXPECT_EQ(
+        frame_url,
+        entry2->root_node()->children[1]->children[0]->frame_entry->url());
+  } else {
+    // There are no subframe FrameNavigationEntries by default.
+    EXPECT_EQ(0U, entry2->root_node()->children.size());
+  }
+
+  // 5. Navigate in the nested subframe.
+  {
+    FrameNavigateParamsCapturer capturer(root->child_at(1)->child_at(0));
+    NavigateFrameToURL(root->child_at(1)->child_at(0), frame_url2);
+    capturer.Wait();
+    EXPECT_EQ(ui::PAGE_TRANSITION_MANUAL_SUBFRAME,
+              capturer.params().transition);
+    EXPECT_EQ(NAVIGATION_TYPE_NEW_SUBFRAME, capturer.details().type);
+  }
+
+  // We should create a new NavigationEntry with the same main frame URL.

[Avi (use Gerrit), 2015/05/19 16:34:13]

My preferred phrasing would be "We should have created..." but I don't really
care either way.

[Charlie Reis, 2015/05/19 17:59:24]

Done.

+  EXPECT_EQ(3, controller.GetEntryCount());
+  EXPECT_EQ(2, controller.GetLastCommittedEntryIndex());
+  NavigationEntryImpl* entry3 = controller.GetLastCommittedEntry();
+  EXPECT_NE(entry, entry3);
+  EXPECT_EQ(main_url, entry3->GetURL());
+  FrameNavigationEntry* root_entry3 = entry3->root_node()->frame_entry.get();
+  EXPECT_EQ(main_url, root_entry3->url());
+
+  // Verify subframe entries if we're in --site-per-process mode.
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kSitePerProcess)) {
+    // The entry should still have FrameNavigationEntries for all 3 subframes.
+    ASSERT_EQ(2U, entry3->root_node()->children.size());
+    EXPECT_EQ(frame_url2, entry3->root_node()->children[0]->frame_entry->url());
+    EXPECT_EQ(frame_url, entry3->root_node()->children[1]->frame_entry->url());
+    ASSERT_EQ(1U, entry3->root_node()->children[1]->children.size());
+    EXPECT_EQ(
+        frame_url2,
+        entry3->root_node()->children[1]->children[0]->frame_entry->url());
+  } else {
+    // There are no subframe FrameNavigationEntries by default.
+    EXPECT_EQ(0U, entry3->root_node()->children.size());
+  }
+
+  // 6. Navigate in the second subframe, clearing its existing subtree.
+  {
+    FrameNavigateParamsCapturer capturer(root->child_at(1));
+    NavigateFrameToURL(root->child_at(1), frame_url2);
+    capturer.Wait();
+    EXPECT_EQ(ui::PAGE_TRANSITION_MANUAL_SUBFRAME,
+              capturer.params().transition);
+    EXPECT_EQ(NAVIGATION_TYPE_NEW_SUBFRAME, capturer.details().type);
+  }
+
+  // We should create a new NavigationEntry with the same main frame URL.
+  EXPECT_EQ(4, controller.GetEntryCount());
+  EXPECT_EQ(3, controller.GetLastCommittedEntryIndex());
+  NavigationEntryImpl* entry4 = controller.GetLastCommittedEntry();
+  EXPECT_NE(entry, entry4);
+  EXPECT_EQ(main_url, entry4->GetURL());
+  FrameNavigationEntry* root_entry4 = entry4->root_node()->frame_entry.get();
+  EXPECT_EQ(main_url, root_entry4->url());
+
+  // Verify subframe entries if we're in --site-per-process mode.
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kSitePerProcess)) {
+    // The entry should now only have FrameNavigationEntries for 2 frames.
+    ASSERT_EQ(2U, entry4->root_node()->children.size());
+    EXPECT_EQ(frame_url2, entry4->root_node()->children[0]->frame_entry->url());
+    EXPECT_EQ(frame_url2, entry4->root_node()->children[1]->frame_entry->url());
+    ASSERT_EQ(0U, entry4->root_node()->children[1]->children.size());
+
+    // The previous entry should be unchanged.
+    EXPECT_EQ(frame_url, entry3->root_node()->children[1]->frame_entry->url());
+  } else {
+    // There are no subframe FrameNavigationEntries by default.
+    EXPECT_EQ(0U, entry4->root_node()->children.size());
+  }
 }
 
 namespace {
 
 class HttpThrottle : public ResourceThrottle {
  public:
   // ResourceThrottle
   void WillStartRequest(bool* defer) override {
     *defer = true;
   }
@@ skipping 336 matching lines @@
     // tricky.
     EXPECT_EQ(nullptr, controller.GetPendingEntry());
     shell()->web_contents()->Stop();
     watcher.Wait();
   }
 
   ResourceDispatcherHost::Get()->SetDelegate(nullptr);
 }
 
 }  // namespace content