shell/platform/windows/window_unittests.cc - external/github.com/flutter/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 <array>

 #include "flutter/shell/platform/windows/testing/mock_direct_manipulation.h"
 #include "flutter/shell/platform/windows/testing/mock_text_input_manager.h"
 #include "flutter/shell/platform/windows/testing/mock_window.h"
 #include "flutter/shell/platform/windows/testing/mock_windows_proc_table.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"

 using testing::_;
 using testing::Eq;
 using testing::InSequence;
 using testing::Invoke;
 using testing::Return;

 namespace flutter {
 namespace testing {

 TEST(MockWindow, CreateDestroy) {
   MockWindow window;
   ASSERT_TRUE(TRUE);
 }

 TEST(MockWindow, GetDpiAfterCreate) {
   MockWindow window;
   ASSERT_TRUE(window.GetDpi() > 0);
 }

 TEST(MockWindow, VerticalScroll) {
   MockWindow window;
   const int scroll_amount = 10;
   // Vertical scroll should be passed along, adjusted for scroll tick size
   // and direction.
   EXPECT_CALL(window, OnScroll(0, -scroll_amount / 120.0,
                                kFlutterPointerDeviceKindMouse, 0))
       .Times(1);

   window.InjectWindowMessage(WM_MOUSEWHEEL, MAKEWPARAM(0, scroll_amount), 0);
 }

 TEST(MockWindow, OnImeCompositionCompose) {
   auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
   auto* text_input_manager = new MockTextInputManager();
   std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
   MockWindow window(std::move(windows_proc_table),
                     std::move(text_input_manager_ptr));
   EXPECT_CALL(*text_input_manager, GetComposingString())
       .WillRepeatedly(
           Return(std::optional<std::u16string>(std::u16string(u"nihao"))));
   EXPECT_CALL(*text_input_manager, GetResultString())
       .WillRepeatedly(
           Return(std::optional<std::u16string>(std::u16string(u"`}"))));
   EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
       .WillRepeatedly(Return((int)0));

   EXPECT_CALL(window, OnComposeChange(std::u16string(u"nihao"), 0)).Times(1);
   EXPECT_CALL(window, OnComposeChange(std::u16string(u"`}"), 0)).Times(0);
   EXPECT_CALL(window, OnComposeCommit()).Times(0);
   ON_CALL(window, OnImeComposition)
       .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
   EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

   // Send an IME_COMPOSITION event that contains just the composition string.
   window.InjectWindowMessage(WM_IME_COMPOSITION, 0, GCS_COMPSTR);
 }

 TEST(MockWindow, OnImeCompositionResult) {
   auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
   auto* text_input_manager = new MockTextInputManager();
   std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
   MockWindow window(std::move(windows_proc_table),
                     std::move(text_input_manager_ptr));
   EXPECT_CALL(*text_input_manager, GetComposingString())
       .WillRepeatedly(
           Return(std::optional<std::u16string>(std::u16string(u"nihao"))));
   EXPECT_CALL(*text_input_manager, GetResultString())
       .WillRepeatedly(
           Return(std::optional<std::u16string>(std::u16string(u"`}"))));
   EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
       .WillRepeatedly(Return((int)0));

   EXPECT_CALL(window, OnComposeChange(std::u16string(u"nihao"), 0)).Times(0);
   EXPECT_CALL(window, OnComposeChange(std::u16string(u"`}"), 0)).Times(1);
   EXPECT_CALL(window, OnComposeCommit()).Times(1);
   ON_CALL(window, OnImeComposition)
       .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
   EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

   // Send an IME_COMPOSITION event that contains just the result string.
   window.InjectWindowMessage(WM_IME_COMPOSITION, 0, GCS_RESULTSTR);
 }

 TEST(MockWindow, OnImeCompositionResultAndCompose) {
   auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
   auto* text_input_manager = new MockTextInputManager();
   std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
   MockWindow window(std::move(windows_proc_table),
                     std::move(text_input_manager_ptr));

   // This situation is that Google Japanese Input finished composing "今日" in
   // "今日は" but is still composing "は".
   {
     InSequence dummy;
     EXPECT_CALL(*text_input_manager, GetResultString())
         .WillRepeatedly(
             Return(std::optional<std::u16string>(std::u16string(u"今日"))));
     EXPECT_CALL(*text_input_manager, GetComposingString())
         .WillRepeatedly(
             Return(std::optional<std::u16string>(std::u16string(u"は"))));
   }
   {
     InSequence dummy;
     EXPECT_CALL(window, OnComposeChange(std::u16string(u"今日"), 0)).Times(1);
     EXPECT_CALL(window, OnComposeCommit()).Times(1);
     EXPECT_CALL(window, OnComposeChange(std::u16string(u"は"), 0)).Times(1);
   }

   EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
       .WillRepeatedly(Return((int)0));

   ON_CALL(window, OnImeComposition)
       .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
   EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

   // send an IME_COMPOSITION event that contains both the result string and the
   // composition string.
   window.InjectWindowMessage(WM_IME_COMPOSITION, 0,
                              GCS_COMPSTR | GCS_RESULTSTR);
 }

 TEST(MockWindow, OnImeCompositionClearChange) {
   auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
   auto* text_input_manager = new MockTextInputManager();
   std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
   MockWindow window(std::move(windows_proc_table),
                     std::move(text_input_manager_ptr));
   EXPECT_CALL(window, OnComposeChange(std::u16string(u""), 0)).Times(1);
   EXPECT_CALL(window, OnComposeCommit()).Times(1);
   ON_CALL(window, OnImeComposition)
       .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
   EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

   // send an IME_COMPOSITION event that contains both the result string and the
   // composition string.
   window.InjectWindowMessage(WM_IME_COMPOSITION, 0, 0);
 }

 TEST(MockWindow, HorizontalScroll) {
   MockWindow window;
   const int scroll_amount = 10;
   // Vertical scroll should be passed along, adjusted for scroll tick size.
   EXPECT_CALL(window, OnScroll(scroll_amount / 120.0, 0,
                                kFlutterPointerDeviceKindMouse, 0))
       .Times(1);

   window.InjectWindowMessage(WM_MOUSEHWHEEL, MAKEWPARAM(0, scroll_amount), 0);
 }

 TEST(MockWindow, MouseLeave) {
   MockWindow window;
   const double mouse_x = 10.0;
   const double mouse_y = 20.0;

   EXPECT_CALL(window, OnPointerMove(mouse_x, mouse_y,
                                     kFlutterPointerDeviceKindMouse, 0, 0))
       .Times(1);
   EXPECT_CALL(window, OnPointerLeave(mouse_x, mouse_y,
                                      kFlutterPointerDeviceKindMouse, 0))
       .Times(1);

   window.InjectWindowMessage(WM_MOUSEMOVE, 0, MAKELPARAM(mouse_x, mouse_y));
   window.InjectWindowMessage(WM_MOUSELEAVE, 0, 0);
 }

 TEST(MockWindow, KeyDown) {
   MockWindow window;
   EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
   LPARAM lparam = CreateKeyEventLparam(42, false, false);
   // send a "Shift" key down event.
   window.InjectWindowMessage(WM_KEYDOWN, 16, lparam);
 }

 TEST(MockWindow, KeyUp) {
   MockWindow window;
   EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
   LPARAM lparam = CreateKeyEventLparam(42, false, true);
   // send a "Shift" key up event.
   window.InjectWindowMessage(WM_KEYUP, 16, lparam);
 }

 TEST(MockWindow, SysKeyDown) {
   MockWindow window;
   EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
   LPARAM lparam = CreateKeyEventLparam(42, false, false);
   // send a "Shift" key down event.
   window.InjectWindowMessage(WM_SYSKEYDOWN, 16, lparam);
 }

 TEST(MockWindow, SysKeyUp) {
   MockWindow window;
   EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
   LPARAM lparam = CreateKeyEventLparam(42, false, true);
   // send a "Shift" key up event.
   window.InjectWindowMessage(WM_SYSKEYUP, 16, lparam);
 }

 TEST(MockWindow, KeyDownPrintable) {
   MockWindow window;
   LPARAM lparam = CreateKeyEventLparam(30, false, false);

   auto respond_false = [](int key, int scancode, int action, char32_t character,
                           bool extended, bool was_down,
                           std::function<void(bool)> callback) {
     callback(false);
   };
   EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _))
       .Times(1)
       .WillOnce(respond_false);
   EXPECT_CALL(window, OnText(_)).Times(1);
   std::array<Win32Message, 2> messages = {
       Win32Message{WM_KEYDOWN, 65, lparam, kWmResultDontCheck},
       Win32Message{WM_CHAR, 65, lparam, kWmResultDontCheck}};
   window.InjectMessageList(2, messages.data());
 }

 TEST(MockWindow, KeyDownWithCtrl) {
   MockWindow window;

   // Simulate CONTROL pressed
   std::array<BYTE, 256> keyboard_state;
   keyboard_state[VK_CONTROL] = -1;
   SetKeyboardState(keyboard_state.data());

   LPARAM lparam = CreateKeyEventLparam(30, false, false);

   // Expect OnKey, but not OnText, because Control + Key is not followed by
   // WM_CHAR
   EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _)).Times(1);
   EXPECT_CALL(window, OnText(_)).Times(0);

   window.InjectWindowMessage(WM_KEYDOWN, 65, lparam);

   keyboard_state.fill(0);
   SetKeyboardState(keyboard_state.data());
 }

 TEST(MockWindow, KeyDownWithCtrlToggled) {
   MockWindow window;

   auto respond_false = [](int key, int scancode, int action, char32_t character,
                           bool extended, bool was_down,
                           std::function<void(bool)> callback) {
     callback(false);
   };

   // Simulate CONTROL toggled
   std::array<BYTE, 256> keyboard_state;
   keyboard_state[VK_CONTROL] = 1;
   SetKeyboardState(keyboard_state.data());

   LPARAM lparam = CreateKeyEventLparam(30, false, false);

   EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _))
       .Times(1)
       .WillOnce(respond_false);
   EXPECT_CALL(window, OnText(_)).Times(1);

   // send a "A" key down event.
   Win32Message messages[] = {{WM_KEYDOWN, 65, lparam, kWmResultDontCheck},
                              {WM_CHAR, 65, lparam, kWmResultDontCheck}};
   window.InjectMessageList(2, messages);

   keyboard_state.fill(0);
   SetKeyboardState(keyboard_state.data());
 }

 TEST(MockWindow, Paint) {
   MockWindow window;
   EXPECT_CALL(window, OnPaint()).Times(1);
   window.InjectWindowMessage(WM_PAINT, 0, 0);
 }

 // Verify direct manipulation isn't notified of pointer hit tests.
 TEST(MockWindow, PointerHitTest) {
   UINT32 pointer_id = 123;
   auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
   auto text_input_manager = std::make_unique<MockTextInputManager>();

   EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
       .Times(1)
       .WillOnce([](UINT32 pointer_id, POINTER_INPUT_TYPE* type) {
         *type = PT_POINTER;
         return TRUE;
       });

   MockWindow window(std::move(windows_proc_table),
                     std::move(text_input_manager));

   auto direct_manipulation =
       std::make_unique<MockDirectManipulationOwner>(&window);

   EXPECT_CALL(*direct_manipulation, SetContact).Times(0);

   window.SetDirectManipulationOwner(std::move(direct_manipulation));
   window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
 }

 // Verify direct manipulation is notified of touchpad hit tests.
 TEST(MockWindow, TouchPadHitTest) {
   UINT32 pointer_id = 123;
   auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
   auto text_input_manager = std::make_unique<MockTextInputManager>();

   EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
       .Times(1)
       .WillOnce([](UINT32 pointer_id, POINTER_INPUT_TYPE* type) {
         *type = PT_TOUCHPAD;
         return TRUE;
       });

   MockWindow window(std::move(windows_proc_table),
                     std::move(text_input_manager));

   auto direct_manipulation =
       std::make_unique<MockDirectManipulationOwner>(&window);

   EXPECT_CALL(*direct_manipulation, SetContact(Eq(pointer_id))).Times(1);

   window.SetDirectManipulationOwner(std::move(direct_manipulation));
   window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
 }

 // Verify direct manipulation isn't notified of unknown hit tests.
 // This can happen if determining the pointer type fails, for example,
 // if GetPointerType is unsupported by the current Windows version.
 // See: https://github.com/flutter/flutter/issues/109412
 TEST(MockWindow, UnknownPointerTypeSkipsDirectManipulation) {
   UINT32 pointer_id = 123;
   auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
   auto text_input_manager = std::make_unique<MockTextInputManager>();

   EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
       .Times(1)
       .WillOnce(
           [](UINT32 pointer_id, POINTER_INPUT_TYPE* type) { return FALSE; });

   MockWindow window(std::move(windows_proc_table),
                     std::move(text_input_manager));

   auto direct_manipulation =
       std::make_unique<MockDirectManipulationOwner>(&window);

   EXPECT_CALL(*direct_manipulation, SetContact).Times(0);

   window.SetDirectManipulationOwner(std::move(direct_manipulation));
   window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
 }

 // Test that the root UIA object is queried by WM_GETOBJECT.
 TEST(MockWindow, DISABLED_GetObjectUia) {
   MockWindow window;
   bool uia_called = false;
   ON_CALL(window, OnGetObject)
       .WillByDefault(Invoke([&uia_called](UINT msg, WPARAM wpar, LPARAM lpar) {
 #ifdef FLUTTER_ENGINE_USE_UIA
         uia_called = true;
 #endif  // FLUTTER_ENGINE_USE_UIA
         return static_cast<LRESULT>(0);
       }));
   EXPECT_CALL(window, OnGetObject).Times(1);

   window.InjectWindowMessage(WM_GETOBJECT, 0, UiaRootObjectId);

   EXPECT_TRUE(uia_called);
 }

 }  // 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 <array>

	#include "flutter/shell/platform/windows/testing/mock_direct_manipulation.h"
	#include "flutter/shell/platform/windows/testing/mock_text_input_manager.h"
	#include "flutter/shell/platform/windows/testing/mock_window.h"
	#include "flutter/shell/platform/windows/testing/mock_windows_proc_table.h"
	#include "gmock/gmock.h"
	#include "gtest/gtest.h"

	using testing::_;
	using testing::Eq;
	using testing::InSequence;
	using testing::Invoke;
	using testing::Return;

	namespace flutter {
	namespace testing {

	TEST(MockWindow, CreateDestroy) {
	MockWindow window;
	ASSERT_TRUE(TRUE);
	}

	TEST(MockWindow, GetDpiAfterCreate) {
	MockWindow window;
	ASSERT_TRUE(window.GetDpi() > 0);
	}

	TEST(MockWindow, VerticalScroll) {
	MockWindow window;
	const int scroll_amount = 10;
	// Vertical scroll should be passed along, adjusted for scroll tick size
	// and direction.
	EXPECT_CALL(window, OnScroll(0, -scroll_amount / 120.0,
	kFlutterPointerDeviceKindMouse, 0))
	.Times(1);

	window.InjectWindowMessage(WM_MOUSEWHEEL, MAKEWPARAM(0, scroll_amount), 0);
	}

	TEST(MockWindow, OnImeCompositionCompose) {
	auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
	auto* text_input_manager = new MockTextInputManager();
	std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
	MockWindow window(std::move(windows_proc_table),
	std::move(text_input_manager_ptr));
	EXPECT_CALL(*text_input_manager, GetComposingString())
	.WillRepeatedly(
	Return(std::optional<std::u16string>(std::u16string(u"nihao"))));
	EXPECT_CALL(*text_input_manager, GetResultString())
	.WillRepeatedly(
	Return(std::optional<std::u16string>(std::u16string(u"`}"))));
	EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
	.WillRepeatedly(Return((int)0));

	EXPECT_CALL(window, OnComposeChange(std::u16string(u"nihao"), 0)).Times(1);
	EXPECT_CALL(window, OnComposeChange(std::u16string(u"`}"), 0)).Times(0);
	EXPECT_CALL(window, OnComposeCommit()).Times(0);
	ON_CALL(window, OnImeComposition)
	.WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
	EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

	// Send an IME_COMPOSITION event that contains just the composition string.
	window.InjectWindowMessage(WM_IME_COMPOSITION, 0, GCS_COMPSTR);
	}

	TEST(MockWindow, OnImeCompositionResult) {
	auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
	auto* text_input_manager = new MockTextInputManager();
	std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
	MockWindow window(std::move(windows_proc_table),
	std::move(text_input_manager_ptr));
	EXPECT_CALL(*text_input_manager, GetComposingString())
	.WillRepeatedly(
	Return(std::optional<std::u16string>(std::u16string(u"nihao"))));
	EXPECT_CALL(*text_input_manager, GetResultString())
	.WillRepeatedly(
	Return(std::optional<std::u16string>(std::u16string(u"`}"))));
	EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
	.WillRepeatedly(Return((int)0));

	EXPECT_CALL(window, OnComposeChange(std::u16string(u"nihao"), 0)).Times(0);
	EXPECT_CALL(window, OnComposeChange(std::u16string(u"`}"), 0)).Times(1);
	EXPECT_CALL(window, OnComposeCommit()).Times(1);
	ON_CALL(window, OnImeComposition)
	.WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
	EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

	// Send an IME_COMPOSITION event that contains just the result string.
	window.InjectWindowMessage(WM_IME_COMPOSITION, 0, GCS_RESULTSTR);
	}

	TEST(MockWindow, OnImeCompositionResultAndCompose) {
	auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
	auto* text_input_manager = new MockTextInputManager();
	std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
	MockWindow window(std::move(windows_proc_table),
	std::move(text_input_manager_ptr));

	// This situation is that Google Japanese Input finished composing "今日" in
	// "今日は" but is still composing "は".
	{
	InSequence dummy;
	EXPECT_CALL(*text_input_manager, GetResultString())
	.WillRepeatedly(
	Return(std::optional<std::u16string>(std::u16string(u"今日"))));
	EXPECT_CALL(*text_input_manager, GetComposingString())
	.WillRepeatedly(
	Return(std::optional<std::u16string>(std::u16string(u"は"))));
	}
	{
	InSequence dummy;
	EXPECT_CALL(window, OnComposeChange(std::u16string(u"今日"), 0)).Times(1);
	EXPECT_CALL(window, OnComposeCommit()).Times(1);
	EXPECT_CALL(window, OnComposeChange(std::u16string(u"は"), 0)).Times(1);
	}

	EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
	.WillRepeatedly(Return((int)0));

	ON_CALL(window, OnImeComposition)
	.WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
	EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

	// send an IME_COMPOSITION event that contains both the result string and the
	// composition string.
	window.InjectWindowMessage(WM_IME_COMPOSITION, 0,
	GCS_COMPSTR \| GCS_RESULTSTR);
	}

	TEST(MockWindow, OnImeCompositionClearChange) {
	auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
	auto* text_input_manager = new MockTextInputManager();
	std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
	MockWindow window(std::move(windows_proc_table),
	std::move(text_input_manager_ptr));
	EXPECT_CALL(window, OnComposeChange(std::u16string(u""), 0)).Times(1);
	EXPECT_CALL(window, OnComposeCommit()).Times(1);
	ON_CALL(window, OnImeComposition)
	.WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
	EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);

	// send an IME_COMPOSITION event that contains both the result string and the
	// composition string.
	window.InjectWindowMessage(WM_IME_COMPOSITION, 0, 0);
	}

	TEST(MockWindow, HorizontalScroll) {
	MockWindow window;
	const int scroll_amount = 10;
	// Vertical scroll should be passed along, adjusted for scroll tick size.
	EXPECT_CALL(window, OnScroll(scroll_amount / 120.0, 0,
	kFlutterPointerDeviceKindMouse, 0))
	.Times(1);

	window.InjectWindowMessage(WM_MOUSEHWHEEL, MAKEWPARAM(0, scroll_amount), 0);
	}

	TEST(MockWindow, MouseLeave) {
	MockWindow window;
	const double mouse_x = 10.0;
	const double mouse_y = 20.0;

	EXPECT_CALL(window, OnPointerMove(mouse_x, mouse_y,
	kFlutterPointerDeviceKindMouse, 0, 0))
	.Times(1);
	EXPECT_CALL(window, OnPointerLeave(mouse_x, mouse_y,
	kFlutterPointerDeviceKindMouse, 0))
	.Times(1);

	window.InjectWindowMessage(WM_MOUSEMOVE, 0, MAKELPARAM(mouse_x, mouse_y));
	window.InjectWindowMessage(WM_MOUSELEAVE, 0, 0);
	}

	TEST(MockWindow, KeyDown) {
	MockWindow window;
	EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
	LPARAM lparam = CreateKeyEventLparam(42, false, false);
	// send a "Shift" key down event.
	window.InjectWindowMessage(WM_KEYDOWN, 16, lparam);
	}

	TEST(MockWindow, KeyUp) {
	MockWindow window;
	EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
	LPARAM lparam = CreateKeyEventLparam(42, false, true);
	// send a "Shift" key up event.
	window.InjectWindowMessage(WM_KEYUP, 16, lparam);
	}

	TEST(MockWindow, SysKeyDown) {
	MockWindow window;
	EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
	LPARAM lparam = CreateKeyEventLparam(42, false, false);
	// send a "Shift" key down event.
	window.InjectWindowMessage(WM_SYSKEYDOWN, 16, lparam);
	}

	TEST(MockWindow, SysKeyUp) {
	MockWindow window;
	EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
	LPARAM lparam = CreateKeyEventLparam(42, false, true);
	// send a "Shift" key up event.
	window.InjectWindowMessage(WM_SYSKEYUP, 16, lparam);
	}

	TEST(MockWindow, KeyDownPrintable) {
	MockWindow window;
	LPARAM lparam = CreateKeyEventLparam(30, false, false);

	auto respond_false = [](int key, int scancode, int action, char32_t character,
	bool extended, bool was_down,
	std::function<void(bool)> callback) {
	callback(false);
	};
	EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _))
	.Times(1)
	.WillOnce(respond_false);
	EXPECT_CALL(window, OnText(_)).Times(1);
	std::array<Win32Message, 2> messages = {
	Win32Message{WM_KEYDOWN, 65, lparam, kWmResultDontCheck},
	Win32Message{WM_CHAR, 65, lparam, kWmResultDontCheck}};
	window.InjectMessageList(2, messages.data());
	}

	TEST(MockWindow, KeyDownWithCtrl) {
	MockWindow window;

	// Simulate CONTROL pressed
	std::array<BYTE, 256> keyboard_state;
	keyboard_state[VK_CONTROL] = -1;
	SetKeyboardState(keyboard_state.data());

	LPARAM lparam = CreateKeyEventLparam(30, false, false);

	// Expect OnKey, but not OnText, because Control + Key is not followed by
	// WM_CHAR
	EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _)).Times(1);
	EXPECT_CALL(window, OnText(_)).Times(0);

	window.InjectWindowMessage(WM_KEYDOWN, 65, lparam);

	keyboard_state.fill(0);
	SetKeyboardState(keyboard_state.data());
	}

	TEST(MockWindow, KeyDownWithCtrlToggled) {
	MockWindow window;

	auto respond_false = [](int key, int scancode, int action, char32_t character,
	bool extended, bool was_down,
	std::function<void(bool)> callback) {
	callback(false);
	};

	// Simulate CONTROL toggled
	std::array<BYTE, 256> keyboard_state;
	keyboard_state[VK_CONTROL] = 1;
	SetKeyboardState(keyboard_state.data());

	LPARAM lparam = CreateKeyEventLparam(30, false, false);

	EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _))
	.Times(1)
	.WillOnce(respond_false);
	EXPECT_CALL(window, OnText(_)).Times(1);

	// send a "A" key down event.
	Win32Message messages[] = {{WM_KEYDOWN, 65, lparam, kWmResultDontCheck},
	{WM_CHAR, 65, lparam, kWmResultDontCheck}};
	window.InjectMessageList(2, messages);

	keyboard_state.fill(0);
	SetKeyboardState(keyboard_state.data());
	}

	TEST(MockWindow, Paint) {
	MockWindow window;
	EXPECT_CALL(window, OnPaint()).Times(1);
	window.InjectWindowMessage(WM_PAINT, 0, 0);
	}

	// Verify direct manipulation isn't notified of pointer hit tests.
	TEST(MockWindow, PointerHitTest) {
	UINT32 pointer_id = 123;
	auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
	auto text_input_manager = std::make_unique<MockTextInputManager>();

	EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
	.Times(1)
	.WillOnce([](UINT32 pointer_id, POINTER_INPUT_TYPE* type) {
	*type = PT_POINTER;
	return TRUE;
	});

	MockWindow window(std::move(windows_proc_table),
	std::move(text_input_manager));

	auto direct_manipulation =
	std::make_unique<MockDirectManipulationOwner>(&window);

	EXPECT_CALL(*direct_manipulation, SetContact).Times(0);

	window.SetDirectManipulationOwner(std::move(direct_manipulation));
	window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
	}

	// Verify direct manipulation is notified of touchpad hit tests.
	TEST(MockWindow, TouchPadHitTest) {
	UINT32 pointer_id = 123;
	auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
	auto text_input_manager = std::make_unique<MockTextInputManager>();

	EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
	.Times(1)
	.WillOnce([](UINT32 pointer_id, POINTER_INPUT_TYPE* type) {
	*type = PT_TOUCHPAD;
	return TRUE;
	});

	MockWindow window(std::move(windows_proc_table),
	std::move(text_input_manager));

	auto direct_manipulation =
	std::make_unique<MockDirectManipulationOwner>(&window);

	EXPECT_CALL(*direct_manipulation, SetContact(Eq(pointer_id))).Times(1);

	window.SetDirectManipulationOwner(std::move(direct_manipulation));
	window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
	}

	// Verify direct manipulation isn't notified of unknown hit tests.
	// This can happen if determining the pointer type fails, for example,
	// if GetPointerType is unsupported by the current Windows version.
	// See: https://github.com/flutter/flutter/issues/109412
	TEST(MockWindow, UnknownPointerTypeSkipsDirectManipulation) {
	UINT32 pointer_id = 123;
	auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
	auto text_input_manager = std::make_unique<MockTextInputManager>();

	EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
	.Times(1)
	.WillOnce(
	[](UINT32 pointer_id, POINTER_INPUT_TYPE* type) { return FALSE; });

	MockWindow window(std::move(windows_proc_table),
	std::move(text_input_manager));

	auto direct_manipulation =
	std::make_unique<MockDirectManipulationOwner>(&window);

	EXPECT_CALL(*direct_manipulation, SetContact).Times(0);

	window.SetDirectManipulationOwner(std::move(direct_manipulation));
	window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
	}

	// Test that the root UIA object is queried by WM_GETOBJECT.
	TEST(MockWindow, DISABLED_GetObjectUia) {
	MockWindow window;
	bool uia_called = false;
	ON_CALL(window, OnGetObject)
	.WillByDefault(Invoke([&uia_called](UINT msg, WPARAM wpar, LPARAM lpar) {
	#ifdef FLUTTER_ENGINE_USE_UIA
	uia_called = true;
	#endif // FLUTTER_ENGINE_USE_UIA
	return static_cast<LRESULT>(0);
	}));
	EXPECT_CALL(window, OnGetObject).Times(1);

	window.InjectWindowMessage(WM_GETOBJECT, 0, UiaRootObjectId);

	EXPECT_TRUE(uia_called);
	}

	} // namespace testing
	} // namespace flutter