text: // Copyright 2017 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 "ui/views/view_tracker.h"
  
  #include <memory>
  
  #include "ui/views/test/views_test_base.h"
  #include "ui/views/view.h"
  
  namespace views {
  
  using ViewTrackerTest = ViewsTestBase;
  
  TEST_F(ViewTrackerTest, RemovedOnDelete) {
    ViewTracker tracker;
    {
      View view;
      tracker.SetView(&view);
      EXPECT_EQ(&view, tracker.view());
    }
    EXPECT_EQ(nullptr, tracker.view());
  }
  
  TEST_F(ViewTrackerTest, ObservedAtConstruction) {
    std::unique_ptr<ViewTracker> tracker;
    {
      View view;
      tracker = std::make_unique<ViewTracker>(&view);
      EXPECT_EQ(&view, tracker->view());
    }
    EXPECT_EQ(nullptr, tracker->view());
  }
  
  }  // namespace views
  