// Copyright (c) 2011 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 "views/widget/widget_win.h"

#include "base/basictypes.h"
#include "base/message_loop.h"
#include "base/scoped_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"

using namespace views;

class WidgetWinTest : public testing::Test {
 public:
  WidgetWinTest() {
    OleInitialize(NULL);
  }

  ~WidgetWinTest() {
    OleUninitialize();
  }

  virtual void TearDown() {
    // Flush the message loop because we have pending release tasks
    // and these tasks if un-executed would upset Valgrind.
    RunPendingMessages();
  }

  // Create a simple widget win. The caller is responsible for taking ownership
  // of the returned value.
  WidgetWin* CreateWidgetWin();

  void RunPendingMessages() {
    message_loop_.RunAllPending();
  }

 private:
  MessageLoopForUI message_loop_;

  DISALLOW_COPY_AND_ASSIGN(WidgetWinTest);
};


WidgetWin* WidgetWinTest::CreateWidgetWin() {
  scoped_ptr<WidgetWin> window(new WidgetWin());
  window->set_delete_on_destroy(false);
  window->set_window_style(WS_OVERLAPPEDWINDOW);
  window->Init(NULL, gfx::Rect(50, 50, 650, 650));
  return window.release();
}

TEST_F(WidgetWinTest, ZoomWindow) {
  scoped_ptr<WidgetWin> window(CreateWidgetWin());
  window->ShowWindow(SW_HIDE);
  EXPECT_FALSE(window->IsActive());
  window->ShowWindow(SW_MAXIMIZE);
  EXPECT_TRUE(window->IsZoomed());
  window->CloseNow();
}

TEST_F(WidgetWinTest, SetBoundsForZoomedWindow) {
  scoped_ptr<WidgetWin> window(CreateWidgetWin());
  window->ShowWindow(SW_MAXIMIZE);
  EXPECT_TRUE(window->IsZoomed());

  // Create another window, so that it will be active.
  scoped_ptr<WidgetWin> window2(CreateWidgetWin());
  window2->ShowWindow(SW_MAXIMIZE);
  EXPECT_TRUE(window2->IsActive());
  EXPECT_FALSE(window->IsActive());

  // Verify that setting the bounds of a zoomed window will unzoom it and not
  // cause it to be activated.
  window->SetBounds(gfx::Rect(50, 50, 650, 650));
  EXPECT_FALSE(window->IsZoomed());
  EXPECT_FALSE(window->IsActive());

  // Cleanup.
  window->CloseNow();
  window2->CloseNow();
}