Retrieve favicons from history as NavigationEntries are converted from TabNav...

chrome/browser/ui/toolbar/back_forward_menu_model_favicon_unittest.cc

+// Copyright (c) 2010 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 "chrome/browser/ui/toolbar/back_forward_menu_model.h"
+
+#include "base/message_loop.h"
+#include "base/path_service.h"
+#include "base/string_util.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/browser_thread.h"
+#include "chrome/browser/history/history.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/renderer_host/site_instance.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/tab_contents/navigation_controller.h"
+#include "chrome/browser/tab_contents/navigation_entry.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/tab_contents/test_tab_contents.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/test/browser_with_test_window_test.h"
+#include "chrome/test/testing_profile.h"
+#include "gfx/codec/png_codec.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+namespace {
+
+static const int kIconWidth = 16;
+static const int kIconHeight = 16;
+
+void MakeTestSkBitmap(int w, int h, SkBitmap* bmp) {
+  bmp->setConfig(SkBitmap::kARGB_8888_Config, w, h);
+  bmp->allocPixels();
+
+  uint32_t* src_data = bmp->getAddr32(0, 0);
+  for (int i = 0; i < w * h; i++) {
+    src_data[i] = SkPreMultiplyARGB(i % 255, i % 250, i % 245, i % 240);
+  }
+}
+
+}  // namespace
+
+class FaviconDelegate : public menus::MenuModel::Delegate {
+ public:
+  explicit FaviconDelegate(MessageLoop* loop) : loop_(loop) {
+    DCHECK(loop);
+  }
+
+  void OnIconChanged(int model_index) {
+    loop_->Quit();
+  }
+
+ private:
+  MessageLoop* loop_;
+  DISALLOW_COPY_AND_ASSIGN(FaviconDelegate);
+};
+
+class BackFwdMenuModelFaviconTest : public BrowserWithTestWindowTest {
+};
+
+TEST_F(BackFwdMenuModelFaviconTest, FaviconLoadTest) {
+  profile()->CreateHistoryService(true, false);
+  profile()->CreateFaviconService();
+
+  GURL url1 = GURL("http://www.a.com/1");
+  GURL url2 = GURL("http://www.a.com/2");
+  GURL url1_favicon("http://www.a.com/1/favicon.ico");
+
+  AddTab(browser(), url1);
+
+  NavigationController& controller =
+       browser()->GetTabContentsAt(0)->controller();
+
+  FaviconDelegate favicon_delegate(MessageLoop::current());
+
+  scoped_ptr<BackForwardMenuModel> back_model(new BackForwardMenuModel(
+    browser(), BackForwardMenuModel::BACKWARD_MENU));
+  back_model->set_test_tab_contents(controller.tab_contents());
+  back_model->SetDelegate(&favicon_delegate);
+
+  scoped_ptr<BackForwardMenuModel> forward_model(new BackForwardMenuModel(
+      browser(), BackForwardMenuModel::FORWARD_MENU));
+  forward_model->set_test_tab_contents(controller.tab_contents());
+  forward_model->SetDelegate(&favicon_delegate);
+
+  SkBitmap new_icon;
+  MakeTestSkBitmap(kIconWidth, kIconHeight, &new_icon);
+  std::vector<unsigned char> icon_data;
+  gfx::PNGCodec::EncodeBGRASkBitmap(new_icon, false, &icon_data);
+
+  // NavigateAndCommitActiveTab(url1);
+  // Navigate to a new URL so that url1 will be in the BackForwardMenuModel.
+  NavigateAndCommitActiveTab(url2);
+
+  // Set the desired favicon for url1.
+  profile()->GetHistoryService(Profile::EXPLICIT_ACCESS)->AddPage(url1,
+      history::SOURCE_BROWSED);
+  profile()->GetFaviconService(Profile::EXPLICIT_ACCESS)->SetFavicon(url1,
+      url1_favicon, icon_data);
+  MessageLoop::current()->RunAllPending();
+
+  // Will return the current icon (default) but start an anync call
+  // to retrieve the favicon from the favicon service.
+  SkBitmap default_icon;
+  back_model->GetIconAt(0, &default_icon);
+
+  // Make the favicon service run GetFavIconForURL,
+  // FaviconDelegate.OnIconChanged will be called.
+  MessageLoop::current()->Run();
+
+  SkBitmap valid_icon;
+  // This time we will get the new favicon returned.
+  back_model->GetIconAt(0, &valid_icon);
+  SkAutoLockPixels a(new_icon);
+  SkAutoLockPixels b(valid_icon);
+  SkAutoLockPixels c(default_icon);
+  // Verify we did not get the default favicon.
+  EXPECT_NE(0, memcmp(default_icon.getPixels(), valid_icon.getPixels(),
+               default_icon.getSize()));
+  // Verify we did get the expected favicon.
+  EXPECT_EQ(0, memcmp(new_icon.getPixels(), valid_icon.getPixels(),
+              new_icon.getSize()));
+}