shell/platform/windows/flutter_window_unittests.cc - mirrors/engine - Git at Google

 // Copyright 2013 The Flutter 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 "flutter/shell/platform/windows/testing/flutter_window_test.h"
 #include "flutter/shell/platform/windows/testing/mock_window_binding_handler.h"
 #include "flutter/shell/platform/windows/testing/mock_window_binding_handler_delegate.h"
 #include "flutter/shell/platform/windows/testing/wm_builders.h"

 #include "gmock/gmock.h"
 #include "gtest/gtest.h"

 using testing::_;
 using testing::Invoke;
 using testing::Return;

 namespace flutter {
 namespace testing {

 namespace {
 static constexpr int32_t kDefaultPointerDeviceId = 0;

 class MockFlutterWindow : public FlutterWindow {
  public:
   MockFlutterWindow() : FlutterWindow(800, 600) {
     ON_CALL(*this, GetDpiScale())
         .WillByDefault(Return(this->FlutterWindow::GetDpiScale()));
   }
   virtual ~MockFlutterWindow() {}

   // Prevent copying.
   MockFlutterWindow(MockFlutterWindow const&) = delete;
   MockFlutterWindow& operator=(MockFlutterWindow const&) = delete;

   // Wrapper for GetCurrentDPI() which is a protected method.
   UINT GetDpi() { return GetCurrentDPI(); }

   // Simulates a WindowProc message from the OS.
   LRESULT InjectWindowMessage(UINT const message,
                               WPARAM const wparam,
                               LPARAM const lparam) {
     return HandleMessage(message, wparam, lparam);
   }

   MOCK_METHOD1(OnDpiScale, void(unsigned int));
   MOCK_METHOD2(OnResize, void(unsigned int, unsigned int));
   MOCK_METHOD4(OnPointerMove,
                void(double, double, FlutterPointerDeviceKind, int32_t));
   MOCK_METHOD5(OnPointerDown,
                void(double, double, FlutterPointerDeviceKind, int32_t, UINT));
   MOCK_METHOD5(OnPointerUp,
                void(double, double, FlutterPointerDeviceKind, int32_t, UINT));
   MOCK_METHOD4(OnPointerLeave,
                void(double, double, FlutterPointerDeviceKind, int32_t));
   MOCK_METHOD0(OnSetCursor, void());
   MOCK_METHOD0(GetScrollOffsetMultiplier, float());
   MOCK_METHOD0(GetHighContrastEnabled, bool());
   MOCK_METHOD0(GetDpiScale, float());
   MOCK_METHOD0(IsVisible, bool());
   MOCK_METHOD1(UpdateCursorRect, void(const Rect&));
   MOCK_METHOD0(OnResetImeComposing, void());
   MOCK_METHOD3(Win32DispatchMessage, UINT(UINT, WPARAM, LPARAM));
   MOCK_METHOD4(Win32PeekMessage, BOOL(LPMSG, UINT, UINT, UINT));
   MOCK_METHOD1(Win32MapVkToChar, uint32_t(uint32_t));
   MOCK_METHOD0(GetPlatformWindow, HWND());
   MOCK_METHOD0(GetAxFragmentRootDelegate, ui::AXFragmentRootDelegateWin*());

  protected:
   // |KeyboardManager::WindowDelegate|
   LRESULT Win32DefWindowProc(HWND hWnd,
                              UINT Msg,
                              WPARAM wParam,
                              LPARAM lParam) override {
     return kWmResultDefault;
   }
 };

 class MockFlutterWindowsView : public FlutterWindowsView {
  public:
   MockFlutterWindowsView(std::unique_ptr<WindowBindingHandler> window_binding)
       : FlutterWindowsView(std::move(window_binding)) {}
   ~MockFlutterWindowsView() {}

   MOCK_METHOD2(NotifyWinEventWrapper,
                void(ui::AXPlatformNodeWin*, ax::mojom::Event));
 };

 }  // namespace

 TEST(FlutterWindowTest, CreateDestroy) {
   FlutterWindowTest window(800, 600);
   ASSERT_TRUE(TRUE);
 }

 TEST(FlutterWindowTest, OnBitmapSurfaceUpdated) {
   FlutterWindow win32window(100, 100);
   int old_handle_count = GetGuiResources(GetCurrentProcess(), GR_GDIOBJECTS);

   constexpr size_t row_bytes = 100 * 4;
   constexpr size_t height = 100;
   std::array<char, row_bytes * height> allocation;
   win32window.OnBitmapSurfaceUpdated(allocation.data(), row_bytes, height);

   int new_handle_count = GetGuiResources(GetCurrentProcess(), GR_GDIOBJECTS);
   // Check GDI resources leak
   EXPECT_EQ(old_handle_count, new_handle_count);
 }

 // Tests that composing rect updates are transformed from Flutter logical
 // coordinates to device coordinates and passed to the text input manager
 // when the DPI scale is 100% (96 DPI).
 TEST(FlutterWindowTest, OnCursorRectUpdatedRegularDPI) {
   MockFlutterWindow win32window;
   ON_CALL(win32window, GetDpiScale()).WillByDefault(Return(1.0));
   EXPECT_CALL(win32window, GetDpiScale()).Times(1);

   Rect cursor_rect(Point(10, 20), Size(30, 40));
   EXPECT_CALL(win32window, UpdateCursorRect(cursor_rect)).Times(1);

   win32window.OnCursorRectUpdated(cursor_rect);
 }

 // Tests that composing rect updates are transformed from Flutter logical
 // coordinates to device coordinates and passed to the text input manager
 // when the DPI scale is 150% (144 DPI).
 TEST(FlutterWindowTest, OnCursorRectUpdatedHighDPI) {
   MockFlutterWindow win32window;
   ON_CALL(win32window, GetDpiScale()).WillByDefault(Return(1.5));
   EXPECT_CALL(win32window, GetDpiScale()).Times(1);

   Rect expected_cursor_rect(Point(15, 30), Size(45, 60));
   EXPECT_CALL(win32window, UpdateCursorRect(expected_cursor_rect)).Times(1);

   Rect cursor_rect(Point(10, 20), Size(30, 40));
   win32window.OnCursorRectUpdated(cursor_rect);
 }

 TEST(FlutterWindowTest, OnPointerStarSendsDeviceType) {
   FlutterWindow win32window(100, 100);
   MockWindowBindingHandlerDelegate delegate;
   win32window.SetView(&delegate);
   // Move
   EXPECT_CALL(delegate,
               OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                             kDefaultPointerDeviceId, 0))
       .Times(1);
   EXPECT_CALL(delegate,
               OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                             kDefaultPointerDeviceId, 0))
       .Times(1);
   EXPECT_CALL(delegate,
               OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                             kDefaultPointerDeviceId, 0))
       .Times(1);

   // Down
   EXPECT_CALL(
       delegate,
       OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                     kDefaultPointerDeviceId, kFlutterPointerButtonMousePrimary))
       .Times(1);
   EXPECT_CALL(
       delegate,
       OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                     kDefaultPointerDeviceId, kFlutterPointerButtonMousePrimary))
       .Times(1);
   EXPECT_CALL(
       delegate,
       OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                     kDefaultPointerDeviceId, kFlutterPointerButtonMousePrimary))
       .Times(1);

   // Up
   EXPECT_CALL(delegate, OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                                     kDefaultPointerDeviceId,
                                     kFlutterPointerButtonMousePrimary))
       .Times(1);
   EXPECT_CALL(delegate, OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                                     kDefaultPointerDeviceId,
                                     kFlutterPointerButtonMousePrimary))
       .Times(1);
   EXPECT_CALL(delegate, OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                                     kDefaultPointerDeviceId,
                                     kFlutterPointerButtonMousePrimary))
       .Times(1);

   // Leave
   EXPECT_CALL(delegate,
               OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                              kDefaultPointerDeviceId))
       .Times(1);
   EXPECT_CALL(delegate,
               OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                              kDefaultPointerDeviceId))
       .Times(1);
   EXPECT_CALL(delegate,
               OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                              kDefaultPointerDeviceId))
       .Times(1);

   win32window.OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                             kDefaultPointerDeviceId, 0);
   win32window.OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                             kDefaultPointerDeviceId, WM_LBUTTONDOWN);
   win32window.OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                           kDefaultPointerDeviceId, WM_LBUTTONDOWN);
   win32window.OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindMouse,
                              kDefaultPointerDeviceId);

   // Touch
   win32window.OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                             kDefaultPointerDeviceId, 0);
   win32window.OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                             kDefaultPointerDeviceId, WM_LBUTTONDOWN);
   win32window.OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                           kDefaultPointerDeviceId, WM_LBUTTONDOWN);
   win32window.OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindTouch,
                              kDefaultPointerDeviceId);

   // Pen
   win32window.OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                             kDefaultPointerDeviceId, 0);
   win32window.OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                             kDefaultPointerDeviceId, WM_LBUTTONDOWN);
   win32window.OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                           kDefaultPointerDeviceId, WM_LBUTTONDOWN);
   win32window.OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindStylus,
                              kDefaultPointerDeviceId);
 }

 // Tests that calls to OnScroll in turn calls GetScrollOffsetMultiplier
 // for mapping scroll ticks to pixels.
 TEST(FlutterWindowTest, OnScrollCallsGetScrollOffsetMultiplier) {
   MockFlutterWindow win32window;
   MockWindowBindingHandlerDelegate delegate;
   win32window.SetView(&delegate);

   ON_CALL(win32window, GetScrollOffsetMultiplier())
       .WillByDefault(Return(120.0f));
   EXPECT_CALL(win32window, GetScrollOffsetMultiplier()).Times(1);

   EXPECT_CALL(delegate,
               OnScroll(_, _, 0, 0, 120.0f, kFlutterPointerDeviceKindMouse,
                        kDefaultPointerDeviceId))
       .Times(1);

   win32window.OnScroll(0.0f, 0.0f, kFlutterPointerDeviceKindMouse,
                        kDefaultPointerDeviceId);
 }

 TEST(FlutterWindowTest, OnWindowRepaint) {
   MockFlutterWindow win32window;
   MockWindowBindingHandlerDelegate delegate;
   win32window.SetView(&delegate);

   EXPECT_CALL(delegate, OnWindowRepaint()).Times(1);

   win32window.InjectWindowMessage(WM_PAINT, 0, 0);
 }

 TEST(FlutterWindowTest, OnThemeChange) {
   MockFlutterWindow win32window;
   MockWindowBindingHandlerDelegate delegate;
   win32window.SetView(&delegate);

   ON_CALL(win32window, GetHighContrastEnabled()).WillByDefault(Return(true));
   EXPECT_CALL(delegate, UpdateHighContrastEnabled(true)).Times(1);

   win32window.InjectWindowMessage(WM_THEMECHANGED, 0, 0);
 }

 TEST(FlutterWindowTest, InitialAccessibilityFeatures) {
   MockFlutterWindow win32window;
   MockWindowBindingHandlerDelegate delegate;
   win32window.SetView(&delegate);

   ON_CALL(win32window, GetHighContrastEnabled()).WillByDefault(Return(true));
   EXPECT_CALL(delegate, UpdateHighContrastEnabled(true)).Times(1);

   win32window.SendInitialAccessibilityFeatures();
 }

 // Ensure that announcing the alert propagates the message to the alert node.
 // Different screen readers use different properties for alerts.
 TEST(FlutterWindowTest, AlertNode) {
   std::unique_ptr<MockFlutterWindow> win32window =
       std::make_unique<MockFlutterWindow>();
   ON_CALL(*win32window, GetPlatformWindow()).WillByDefault(Return(nullptr));
   ON_CALL(*win32window, GetAxFragmentRootDelegate())
       .WillByDefault(Return(nullptr));
   MockFlutterWindowsView view(std::move(win32window));
   std::wstring message = L"Test alert";
   EXPECT_CALL(view, NotifyWinEventWrapper(_, ax::mojom::Event::kAlert))
       .Times(1);
   view.AnnounceAlert(message);

   IAccessible* alert = view.AlertNode();
   VARIANT self{.vt = VT_I4, .lVal = CHILDID_SELF};
   BSTR strptr;
   alert->get_accName(self, &strptr);
   EXPECT_EQ(message, strptr);

   alert->get_accDescription(self, &strptr);
   EXPECT_EQ(message, strptr);

   alert->get_accValue(self, &strptr);
   EXPECT_EQ(message, strptr);

   VARIANT role;
   alert->get_accRole(self, &role);
   EXPECT_EQ(role.vt, VT_I4);
   EXPECT_EQ(role.lVal, ROLE_SYSTEM_ALERT);
 }

 }  // namespace testing
 }  // namespace flutter
	// Copyright 2013 The Flutter 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 "flutter/shell/platform/windows/testing/flutter_window_test.h"
	#include "flutter/shell/platform/windows/testing/mock_window_binding_handler.h"
	#include "flutter/shell/platform/windows/testing/mock_window_binding_handler_delegate.h"
	#include "flutter/shell/platform/windows/testing/wm_builders.h"

	#include "gmock/gmock.h"
	#include "gtest/gtest.h"

	using testing::_;
	using testing::Invoke;
	using testing::Return;

	namespace flutter {
	namespace testing {

	namespace {
	static constexpr int32_t kDefaultPointerDeviceId = 0;

	class MockFlutterWindow : public FlutterWindow {
	public:
	MockFlutterWindow() : FlutterWindow(800, 600) {
	ON_CALL(*this, GetDpiScale())
	.WillByDefault(Return(this->FlutterWindow::GetDpiScale()));
	}
	virtual ~MockFlutterWindow() {}

	// Prevent copying.
	MockFlutterWindow(MockFlutterWindow const&) = delete;
	MockFlutterWindow& operator=(MockFlutterWindow const&) = delete;

	// Wrapper for GetCurrentDPI() which is a protected method.
	UINT GetDpi() { return GetCurrentDPI(); }

	// Simulates a WindowProc message from the OS.
	LRESULT InjectWindowMessage(UINT const message,
	WPARAM const wparam,
	LPARAM const lparam) {
	return HandleMessage(message, wparam, lparam);
	}

	MOCK_METHOD1(OnDpiScale, void(unsigned int));
	MOCK_METHOD2(OnResize, void(unsigned int, unsigned int));
	MOCK_METHOD4(OnPointerMove,
	void(double, double, FlutterPointerDeviceKind, int32_t));
	MOCK_METHOD5(OnPointerDown,
	void(double, double, FlutterPointerDeviceKind, int32_t, UINT));
	MOCK_METHOD5(OnPointerUp,
	void(double, double, FlutterPointerDeviceKind, int32_t, UINT));
	MOCK_METHOD4(OnPointerLeave,
	void(double, double, FlutterPointerDeviceKind, int32_t));
	MOCK_METHOD0(OnSetCursor, void());
	MOCK_METHOD0(GetScrollOffsetMultiplier, float());
	MOCK_METHOD0(GetHighContrastEnabled, bool());
	MOCK_METHOD0(GetDpiScale, float());
	MOCK_METHOD0(IsVisible, bool());
	MOCK_METHOD1(UpdateCursorRect, void(const Rect&));
	MOCK_METHOD0(OnResetImeComposing, void());
	MOCK_METHOD3(Win32DispatchMessage, UINT(UINT, WPARAM, LPARAM));
	MOCK_METHOD4(Win32PeekMessage, BOOL(LPMSG, UINT, UINT, UINT));
	MOCK_METHOD1(Win32MapVkToChar, uint32_t(uint32_t));
	MOCK_METHOD0(GetPlatformWindow, HWND());
	MOCK_METHOD0(GetAxFragmentRootDelegate, ui::AXFragmentRootDelegateWin*());

	protected:
	// \|KeyboardManager::WindowDelegate\|
	LRESULT Win32DefWindowProc(HWND hWnd,
	UINT Msg,
	WPARAM wParam,
	LPARAM lParam) override {
	return kWmResultDefault;
	}
	};

	class MockFlutterWindowsView : public FlutterWindowsView {
	public:
	MockFlutterWindowsView(std::unique_ptr<WindowBindingHandler> window_binding)
	: FlutterWindowsView(std::move(window_binding)) {}
	~MockFlutterWindowsView() {}

	MOCK_METHOD2(NotifyWinEventWrapper,
	void(ui::AXPlatformNodeWin*, ax::mojom::Event));
	};

	} // namespace

	TEST(FlutterWindowTest, CreateDestroy) {
	FlutterWindowTest window(800, 600);
	ASSERT_TRUE(TRUE);
	}

	TEST(FlutterWindowTest, OnBitmapSurfaceUpdated) {
	FlutterWindow win32window(100, 100);
	int old_handle_count = GetGuiResources(GetCurrentProcess(), GR_GDIOBJECTS);

	constexpr size_t row_bytes = 100 * 4;
	constexpr size_t height = 100;
	std::array<char, row_bytes * height> allocation;
	win32window.OnBitmapSurfaceUpdated(allocation.data(), row_bytes, height);

	int new_handle_count = GetGuiResources(GetCurrentProcess(), GR_GDIOBJECTS);
	// Check GDI resources leak
	EXPECT_EQ(old_handle_count, new_handle_count);
	}

	// Tests that composing rect updates are transformed from Flutter logical
	// coordinates to device coordinates and passed to the text input manager
	// when the DPI scale is 100% (96 DPI).
	TEST(FlutterWindowTest, OnCursorRectUpdatedRegularDPI) {
	MockFlutterWindow win32window;
	ON_CALL(win32window, GetDpiScale()).WillByDefault(Return(1.0));
	EXPECT_CALL(win32window, GetDpiScale()).Times(1);

	Rect cursor_rect(Point(10, 20), Size(30, 40));
	EXPECT_CALL(win32window, UpdateCursorRect(cursor_rect)).Times(1);

	win32window.OnCursorRectUpdated(cursor_rect);
	}

	// Tests that composing rect updates are transformed from Flutter logical
	// coordinates to device coordinates and passed to the text input manager
	// when the DPI scale is 150% (144 DPI).
	TEST(FlutterWindowTest, OnCursorRectUpdatedHighDPI) {
	MockFlutterWindow win32window;
	ON_CALL(win32window, GetDpiScale()).WillByDefault(Return(1.5));
	EXPECT_CALL(win32window, GetDpiScale()).Times(1);

	Rect expected_cursor_rect(Point(15, 30), Size(45, 60));
	EXPECT_CALL(win32window, UpdateCursorRect(expected_cursor_rect)).Times(1);

	Rect cursor_rect(Point(10, 20), Size(30, 40));
	win32window.OnCursorRectUpdated(cursor_rect);
	}

	TEST(FlutterWindowTest, OnPointerStarSendsDeviceType) {
	FlutterWindow win32window(100, 100);
	MockWindowBindingHandlerDelegate delegate;
	win32window.SetView(&delegate);
	// Move
	EXPECT_CALL(delegate,
	OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId, 0))
	.Times(1);
	EXPECT_CALL(delegate,
	OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId, 0))
	.Times(1);
	EXPECT_CALL(delegate,
	OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId, 0))
	.Times(1);

	// Down
	EXPECT_CALL(
	delegate,
	OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId, kFlutterPointerButtonMousePrimary))
	.Times(1);
	EXPECT_CALL(
	delegate,
	OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId, kFlutterPointerButtonMousePrimary))
	.Times(1);
	EXPECT_CALL(
	delegate,
	OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId, kFlutterPointerButtonMousePrimary))
	.Times(1);

	// Up
	EXPECT_CALL(delegate, OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId,
	kFlutterPointerButtonMousePrimary))
	.Times(1);
	EXPECT_CALL(delegate, OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId,
	kFlutterPointerButtonMousePrimary))
	.Times(1);
	EXPECT_CALL(delegate, OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId,
	kFlutterPointerButtonMousePrimary))
	.Times(1);

	// Leave
	EXPECT_CALL(delegate,
	OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId))
	.Times(1);
	EXPECT_CALL(delegate,
	OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId))
	.Times(1);
	EXPECT_CALL(delegate,
	OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId))
	.Times(1);

	win32window.OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId, 0);
	win32window.OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId, WM_LBUTTONDOWN);
	win32window.OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId, WM_LBUTTONDOWN);
	win32window.OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId);

	// Touch
	win32window.OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId, 0);
	win32window.OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId, WM_LBUTTONDOWN);
	win32window.OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId, WM_LBUTTONDOWN);
	win32window.OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindTouch,
	kDefaultPointerDeviceId);

	// Pen
	win32window.OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId, 0);
	win32window.OnPointerDown(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId, WM_LBUTTONDOWN);
	win32window.OnPointerUp(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId, WM_LBUTTONDOWN);
	win32window.OnPointerLeave(10.0, 10.0, kFlutterPointerDeviceKindStylus,
	kDefaultPointerDeviceId);
	}

	// Tests that calls to OnScroll in turn calls GetScrollOffsetMultiplier
	// for mapping scroll ticks to pixels.
	TEST(FlutterWindowTest, OnScrollCallsGetScrollOffsetMultiplier) {
	MockFlutterWindow win32window;
	MockWindowBindingHandlerDelegate delegate;
	win32window.SetView(&delegate);

	ON_CALL(win32window, GetScrollOffsetMultiplier())
	.WillByDefault(Return(120.0f));
	EXPECT_CALL(win32window, GetScrollOffsetMultiplier()).Times(1);

	EXPECT_CALL(delegate,
	OnScroll(_, _, 0, 0, 120.0f, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId))
	.Times(1);

	win32window.OnScroll(0.0f, 0.0f, kFlutterPointerDeviceKindMouse,
	kDefaultPointerDeviceId);
	}

	TEST(FlutterWindowTest, OnWindowRepaint) {
	MockFlutterWindow win32window;
	MockWindowBindingHandlerDelegate delegate;
	win32window.SetView(&delegate);

	EXPECT_CALL(delegate, OnWindowRepaint()).Times(1);

	win32window.InjectWindowMessage(WM_PAINT, 0, 0);
	}

	TEST(FlutterWindowTest, OnThemeChange) {
	MockFlutterWindow win32window;
	MockWindowBindingHandlerDelegate delegate;
	win32window.SetView(&delegate);

	ON_CALL(win32window, GetHighContrastEnabled()).WillByDefault(Return(true));
	EXPECT_CALL(delegate, UpdateHighContrastEnabled(true)).Times(1);

	win32window.InjectWindowMessage(WM_THEMECHANGED, 0, 0);
	}

	TEST(FlutterWindowTest, InitialAccessibilityFeatures) {
	MockFlutterWindow win32window;
	MockWindowBindingHandlerDelegate delegate;
	win32window.SetView(&delegate);

	ON_CALL(win32window, GetHighContrastEnabled()).WillByDefault(Return(true));
	EXPECT_CALL(delegate, UpdateHighContrastEnabled(true)).Times(1);

	win32window.SendInitialAccessibilityFeatures();
	}

	// Ensure that announcing the alert propagates the message to the alert node.
	// Different screen readers use different properties for alerts.
	TEST(FlutterWindowTest, AlertNode) {
	std::unique_ptr<MockFlutterWindow> win32window =
	std::make_unique<MockFlutterWindow>();
	ON_CALL(*win32window, GetPlatformWindow()).WillByDefault(Return(nullptr));
	ON_CALL(*win32window, GetAxFragmentRootDelegate())
	.WillByDefault(Return(nullptr));
	MockFlutterWindowsView view(std::move(win32window));
	std::wstring message = L"Test alert";
	EXPECT_CALL(view, NotifyWinEventWrapper(_, ax::mojom::Event::kAlert))
	.Times(1);
	view.AnnounceAlert(message);

	IAccessible* alert = view.AlertNode();
	VARIANT self{.vt = VT_I4, .lVal = CHILDID_SELF};
	BSTR strptr;
	alert->get_accName(self, &strptr);
	EXPECT_EQ(message, strptr);

	alert->get_accDescription(self, &strptr);
	EXPECT_EQ(message, strptr);

	alert->get_accValue(self, &strptr);
	EXPECT_EQ(message, strptr);

	VARIANT role;
	alert->get_accRole(self, &role);
	EXPECT_EQ(role.vt, VT_I4);
	EXPECT_EQ(role.lVal, ROLE_SYSTEM_ALERT);
	}

	} // namespace testing
	} // namespace flutter