athena: Expose the list of activities from the ActivityManager.

athena/activity/activity_manager_unittest.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 "athena/activity/activity_manager_impl.h"
 
 #include "athena/activity/public/activity.h"
 #include "athena/activity/public/activity_factory.h"
 #include "athena/test/base/athena_test_base.h"
 #include "athena/test/base/test_windows.h"
 #include "ui/aura/window.h"
+#include "ui/wm/core/window_util.h"
 
 namespace athena {
 
 typedef test::AthenaTestBase ActivityManagerTest;
 
 TEST_F(ActivityManagerTest, Basic) {
   ActivityManagerImpl* activity_manager =
       static_cast<ActivityManagerImpl*>(ActivityManager::Get());
   ActivityFactory* factory = ActivityFactory::Get();
 
@@ skipping 29 matching lines @@
 
   EXPECT_EQ(activity1, manager->GetActivityForWindow(activity1->GetWindow()));
   EXPECT_EQ(activity2, manager->GetActivityForWindow(activity2->GetWindow()));
 
   EXPECT_EQ(nullptr, manager->GetActivityForWindow(nullptr));
 
   scoped_ptr<aura::Window> window = test::CreateNormalWindow(nullptr, nullptr);
   EXPECT_EQ(nullptr, manager->GetActivityForWindow(window.get()));
 }
 
+TEST_F(ActivityManagerTest, ActivationBringsActivityToTop) {
+  ActivityManager* manager = ActivityManager::Get();
+  ActivityFactory* factory = ActivityFactory::Get();
+
+  Activity* activity1 =
+      factory->CreateWebActivity(nullptr, base::string16(), GURL());
+  Activity* activity2 =
+      factory->CreateWebActivity(nullptr, base::string16(), GURL());
+  activity1->GetWindow()->Show();
+  activity2->GetWindow()->Show();
+
+  ASSERT_EQ(2u, manager->GetActivityList().size());
+  EXPECT_EQ(activity2, manager->GetActivityList()[0]);
+  EXPECT_EQ(activity1, manager->GetActivityList()[1]);
+
+  wm::ActivateWindow(activity1->GetWindow());
+  ASSERT_EQ(2u, manager->GetActivityList().size());
+  EXPECT_EQ(activity1, manager->GetActivityList()[0]);
+  EXPECT_EQ(activity2, manager->GetActivityList()[1]);
+}
+
 }  // namespace athena