// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

#nullable disable

using System.Runtime.InteropServices;

namespace System.Windows.Forms.Tests;

// NB: doesn't require thread affinity
public class MessageTests
{
    [Theory]
    [CommonMemberData(typeof(CommonTestHelper), nameof(CommonTestHelper.GetIntPtrTheoryData))]
    public void Message_HWnd_Set_GetReturnsExpected(IntPtr value)
    {
        Message message = new()
        {
            HWnd = value
        };
        Assert.Equal(value, message.HWnd);

        // Set same.
        message.HWnd = value;
        Assert.Equal(value, message.HWnd);
    }

    [Theory]
    [IntegerData<int>]
    public void Message_Msg_Set_GetReturnsExpected(int value)
    {
        Message message = new()
        {
            Msg = value
        };
        Assert.Equal(value, message.Msg);

        // Set same.
        message.Msg = value;
        Assert.Equal(value, message.Msg);
    }

    [Theory]
    [CommonMemberData(typeof(CommonTestHelper), nameof(CommonTestHelper.GetIntPtrTheoryData))]
    public void Message_WParam_Set_GetReturnsExpected(IntPtr value)
    {
        Message message = new()
        {
            WParam = value
        };
        Assert.Equal(value, message.WParam);
    }

    [Theory]
    [CommonMemberData(typeof(CommonTestHelper), nameof(CommonTestHelper.GetIntPtrTheoryData))]
    public void Message_LParam_Set_GetReturnsExpected(IntPtr value)
    {
        Message message = new()
        {
            LParam = value
        };
        Assert.Equal(value, message.LParam);

        // Set same.
        message.LParam = value;
        Assert.Equal(value, message.LParam);
    }

    [Theory]
    [CommonMemberData(typeof(CommonTestHelper), nameof(CommonTestHelper.GetIntPtrTheoryData))]
    public void Message_Result_Set_GetReturnsExpected(IntPtr value)
    {
        Message message = new()
        {
            Result = value
        };
        Assert.Equal(value, message.Result);

        // Set same.
        message.Result = value;
        Assert.Equal(value, message.Result);
    }

    public static IEnumerable<object[]> Create_TestData()
    {
        yield return new object[] { (IntPtr)(-1), -1, (IntPtr)(-1), (IntPtr)(-1) };
        yield return new object[] { IntPtr.Zero, 1, IntPtr.Zero, IntPtr.Zero };
        yield return new object[] { (IntPtr)1, 1, (IntPtr)1, (IntPtr)1 };
    }

    [Theory]
    [MemberData(nameof(Create_TestData))]
    public void Message_Create_Invoke_ReturnsExpected(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam)
    {
        Message message = Message.Create(hWnd, msg, wparam, lparam);
        Assert.Equal(hWnd, message.HWnd);
        Assert.Equal(msg, message.Msg);
        Assert.Equal(wparam, message.WParam);
        Assert.Equal(lparam, message.LParam);
        Assert.Equal(IntPtr.Zero, message.Result);
    }

    public static IEnumerable<object[]> Equals_TestData()
    {
        static Message Create(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam, IntPtr result)
        {
            Message message = Message.Create(hWnd, msg, wparam, lparam);
            message.Result = result;
            return message;
        }

        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            Create(1, 2, 3, 4, 5),
            true
        };
        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            Create(2, 2, 3, 4, 5),
            false
        };
        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            Create(1, 3, 3, 4, 5),
            false
        };
        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            Create(1, 2, 4, 4, 5),
            false
        };
        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            Create(1, 2, 3, 5, 5),
            false
        };
        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            Create(1, 2, 3, 4, 6),
            false
        };

        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            new(),
            false
        };
        yield return new object[]
        {
            Create(1, 2, 3, 4, 5),
            null,
            false
        };
    }

    [Theory]
    [MemberData(nameof(Equals_TestData))]
    public void Message_Equals_Invoke_ReturnsExpected(Message message, object other, bool expected)
    {
        if (other is Message otherMessage)
        {
            Assert.Equal(expected, message == otherMessage);
            Assert.Equal(!expected, message != otherMessage);
        }

        Assert.Equal(expected, message.Equals(other));
    }

    [Fact]
    public void Message_GetHashCode_Invoke_ReturnsExpected()
    {
        Message message = Message.Create(1, 1, 1, 1);
        Assert.NotEqual(0, message.GetHashCode());
        Assert.Equal(message.GetHashCode(), message.GetHashCode());
    }

    [Fact]
    public void Message_GetLParam_Invoke_ReturnsExpected()
    {
        IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf<TestStruct>());
        try
        {
            TestStruct original = new()
            {
                _field1 = 1,
                _field2 = 2
            };
            Marshal.StructureToPtr(original, ptr, fDeleteOld: false);

            Message message = new()
            {
                LParam = ptr
            };
            TestStruct lparam = Assert.IsType<TestStruct>(message.GetLParam(typeof(TestStruct)));
            Assert.Equal(1, lparam._field1);
            Assert.Equal(2, lparam._field2);
        }
        finally
        {
            Marshal.FreeHGlobal(ptr);
        }
    }

    [StructLayout(LayoutKind.Sequential)]
    private struct TestStruct
    {
        public int _field1;
        public int _field2;
    }

    public static IEnumerable<object[]> ToString_TestData()
    {
        yield return new object[] { 0x1FFF, null };
        yield return new object[] { 0x2000, " (WM_REFLECT + WM_NULL)" };
        yield return new object[] { -1 | 0x2000, " (WM_REFLECT + ???)" };

        yield return new object[] { PInvokeCore.WM_NULL, " (WM_NULL)" };
        yield return new object[] { PInvokeCore.WM_CREATE, " (WM_CREATE)" };
        yield return new object[] { PInvokeCore.WM_DESTROY, " (WM_DESTROY)" };
        yield return new object[] { PInvokeCore.WM_MOVE, " (WM_MOVE)" };
        yield return new object[] { PInvokeCore.WM_SIZE, " (WM_SIZE)" };
        yield return new object[] { PInvokeCore.WM_ACTIVATE, " (WM_ACTIVATE)" };
        yield return new object[] { PInvokeCore.WM_SETFOCUS, " (WM_SETFOCUS)" };
        yield return new object[] { PInvokeCore.WM_KILLFOCUS, " (WM_KILLFOCUS)" };
        yield return new object[] { PInvokeCore.WM_ENABLE, " (WM_ENABLE)" };
        yield return new object[] { PInvokeCore.WM_SETREDRAW, " (WM_SETREDRAW)" };
        yield return new object[] { PInvokeCore.WM_SETTEXT, " (WM_SETTEXT)" };
        yield return new object[] { PInvokeCore.WM_GETTEXT, " (WM_GETTEXT)" };
        yield return new object[] { PInvokeCore.WM_GETTEXTLENGTH, " (WM_GETTEXTLENGTH)" };
        yield return new object[] { PInvokeCore.WM_PAINT, " (WM_PAINT)" };
        yield return new object[] { PInvokeCore.WM_CLOSE, " (WM_CLOSE)" };
        yield return new object[] { PInvokeCore.WM_QUERYENDSESSION, " (WM_QUERYENDSESSION)" };
        yield return new object[] { PInvokeCore.WM_QUIT, " (WM_QUIT)" };
        yield return new object[] { PInvokeCore.WM_QUERYOPEN, " (WM_QUERYOPEN)" };
        yield return new object[] { PInvokeCore.WM_ERASEBKGND, " (WM_ERASEBKGND)" };
        yield return new object[] { PInvokeCore.WM_SYSCOLORCHANGE, " (WM_SYSCOLORCHANGE)" };
        yield return new object[] { PInvokeCore.WM_ENDSESSION, " (WM_ENDSESSION)" };
        yield return new object[] { PInvokeCore.WM_SHOWWINDOW, " (WM_SHOWWINDOW)" };
        yield return new object[] { PInvokeCore.WM_WININICHANGE, " (WM_WININICHANGE)" };
        yield return new object[] { PInvokeCore.WM_DEVMODECHANGE, " (WM_DEVMODECHANGE)" };
        yield return new object[] { PInvokeCore.WM_ACTIVATEAPP, " (WM_ACTIVATEAPP)" };
        yield return new object[] { PInvokeCore.WM_FONTCHANGE, " (WM_FONTCHANGE)" };
        yield return new object[] { PInvokeCore.WM_TIMECHANGE, " (WM_TIMECHANGE)" };
        yield return new object[] { PInvokeCore.WM_CANCELMODE, " (WM_CANCELMODE)" };
        yield return new object[] { PInvokeCore.WM_SETCURSOR, " (WM_SETCURSOR)" };
        yield return new object[] { PInvokeCore.WM_MOUSEACTIVATE, " (WM_MOUSEACTIVATE)" };
        yield return new object[] { PInvokeCore.WM_CHILDACTIVATE, " (WM_CHILDACTIVATE)" };
        yield return new object[] { PInvokeCore.WM_QUEUESYNC, " (WM_QUEUESYNC)" };
        yield return new object[] { PInvokeCore.WM_GETMINMAXINFO, " (WM_GETMINMAXINFO)" };
        yield return new object[] { PInvokeCore.WM_PAINTICON, " (WM_PAINTICON)" };
        yield return new object[] { PInvokeCore.WM_ICONERASEBKGND, " (WM_ICONERASEBKGND)" };
        yield return new object[] { PInvokeCore.WM_NEXTDLGCTL, " (WM_NEXTDLGCTL)" };
        yield return new object[] { PInvokeCore.WM_SPOOLERSTATUS, " (WM_SPOOLERSTATUS)" };
        yield return new object[] { PInvokeCore.WM_DRAWITEM, " (WM_DRAWITEM)" };
        yield return new object[] { PInvokeCore.WM_MEASUREITEM, " (WM_MEASUREITEM)" };
        yield return new object[] { PInvokeCore.WM_DELETEITEM, " (WM_DELETEITEM)" };
        yield return new object[] { PInvokeCore.WM_VKEYTOITEM, " (WM_VKEYTOITEM)" };
        yield return new object[] { PInvokeCore.WM_CHARTOITEM, " (WM_CHARTOITEM)" };
        yield return new object[] { PInvokeCore.WM_SETFONT, " (WM_SETFONT)" };
        yield return new object[] { PInvokeCore.WM_GETFONT, " (WM_GETFONT)" };
        yield return new object[] { PInvokeCore.WM_SETHOTKEY, " (WM_SETHOTKEY)" };
        yield return new object[] { PInvokeCore.WM_GETHOTKEY, " (WM_GETHOTKEY)" };
        yield return new object[] { PInvokeCore.WM_QUERYDRAGICON, " (WM_QUERYDRAGICON)" };
        yield return new object[] { PInvokeCore.WM_COMPAREITEM, " (WM_COMPAREITEM)" };
        yield return new object[] { PInvokeCore.WM_GETOBJECT, " (WM_GETOBJECT)" };
        yield return new object[] { PInvokeCore.WM_COMPACTING, " (WM_COMPACTING)" };
        yield return new object[] { PInvokeCore.WM_COMMNOTIFY, " (WM_COMMNOTIFY)" };
        yield return new object[] { PInvokeCore.WM_WINDOWPOSCHANGING, " (WM_WINDOWPOSCHANGING)" };
        yield return new object[] { PInvokeCore.WM_WINDOWPOSCHANGED, " (WM_WINDOWPOSCHANGED)" };
        yield return new object[] { PInvokeCore.WM_POWER, " (WM_POWER)" };
        yield return new object[] { PInvokeCore.WM_COPYDATA, " (WM_COPYDATA)" };
        yield return new object[] { PInvokeCore.WM_CANCELJOURNAL, " (WM_CANCELJOURNAL)" };
        yield return new object[] { PInvokeCore.WM_NOTIFY, " (WM_NOTIFY)" };
        yield return new object[] { PInvokeCore.WM_INPUTLANGCHANGEREQUEST, " (WM_INPUTLANGCHANGEREQUEST)" };
        yield return new object[] { PInvokeCore.WM_INPUTLANGCHANGE, " (WM_INPUTLANGCHANGE)" };
        yield return new object[] { PInvokeCore.WM_TCARD, " (WM_TCARD)" };
        yield return new object[] { PInvokeCore.WM_HELP, " (WM_HELP)" };
        yield return new object[] { PInvokeCore.WM_USERCHANGED, " (WM_USERCHANGED)" };
        yield return new object[] { PInvokeCore.WM_NOTIFYFORMAT, " (WM_NOTIFYFORMAT)" };
        yield return new object[] { PInvokeCore.WM_CONTEXTMENU, " (WM_CONTEXTMENU)" };
        yield return new object[] { PInvokeCore.WM_STYLECHANGING, " (WM_STYLECHANGING)" };
        yield return new object[] { PInvokeCore.WM_STYLECHANGED, " (WM_STYLECHANGED)" };
        yield return new object[] { PInvokeCore.WM_DISPLAYCHANGE, " (WM_DISPLAYCHANGE)" };
        yield return new object[] { PInvokeCore.WM_GETICON, " (WM_GETICON)" };
        yield return new object[] { PInvokeCore.WM_SETICON, " (WM_SETICON)" };
        yield return new object[] { PInvokeCore.WM_NCCREATE, " (WM_NCCREATE)" };
        yield return new object[] { PInvokeCore.WM_NCDESTROY, " (WM_NCDESTROY)" };
        yield return new object[] { PInvokeCore.WM_NCCALCSIZE, " (WM_NCCALCSIZE)" };
        yield return new object[] { PInvokeCore.WM_NCHITTEST, " (WM_NCHITTEST)" };
        yield return new object[] { PInvokeCore.WM_NCPAINT, " (WM_NCPAINT)" };
        yield return new object[] { PInvokeCore.WM_NCACTIVATE, " (WM_NCACTIVATE)" };
        yield return new object[] { PInvokeCore.WM_GETDLGCODE, " (WM_GETDLGCODE)" };
        yield return new object[] { PInvokeCore.WM_NCMOUSEMOVE, " (WM_NCMOUSEMOVE)" };
        yield return new object[] { PInvokeCore.WM_NCLBUTTONDOWN, " (WM_NCLBUTTONDOWN)" };
        yield return new object[] { PInvokeCore.WM_NCLBUTTONUP, " (WM_NCLBUTTONUP)" };
        yield return new object[] { PInvokeCore.WM_NCLBUTTONDBLCLK, " (WM_NCLBUTTONDBLCLK)" };
        yield return new object[] { PInvokeCore.WM_NCRBUTTONDOWN, " (WM_NCRBUTTONDOWN)" };
        yield return new object[] { PInvokeCore.WM_NCRBUTTONUP, " (WM_NCRBUTTONUP)" };
        yield return new object[] { PInvokeCore.WM_NCRBUTTONDBLCLK, " (WM_NCRBUTTONDBLCLK)" };
        yield return new object[] { PInvokeCore.WM_NCMBUTTONDOWN, " (WM_NCMBUTTONDOWN)" };
        yield return new object[] { PInvokeCore.WM_NCMBUTTONUP, " (WM_NCMBUTTONUP)" };
        yield return new object[] { PInvokeCore.WM_NCMBUTTONDBLCLK, " (WM_NCMBUTTONDBLCLK)" };
        yield return new object[] { PInvokeCore.WM_KEYDOWN, " (WM_KEYDOWN)" };
        yield return new object[] { PInvokeCore.WM_KEYUP, " (WM_KEYUP)" };
        yield return new object[] { PInvokeCore.WM_CHAR, " (WM_CHAR)" };
        yield return new object[] { PInvokeCore.WM_DEADCHAR, " (WM_DEADCHAR)" };
        yield return new object[] { PInvokeCore.WM_SYSKEYDOWN, " (WM_SYSKEYDOWN)" };
        yield return new object[] { PInvokeCore.WM_SYSKEYUP, " (WM_SYSKEYUP)" };
        yield return new object[] { PInvokeCore.WM_SYSCHAR, " (WM_SYSCHAR)" };
        yield return new object[] { PInvokeCore.WM_SYSDEADCHAR, " (WM_SYSDEADCHAR)" };
        yield return new object[] { PInvokeCore.WM_KEYLAST, " (WM_KEYLAST)" };
        yield return new object[] { PInvokeCore.WM_IME_STARTCOMPOSITION, " (WM_IME_STARTCOMPOSITION)" };
        yield return new object[] { PInvokeCore.WM_IME_ENDCOMPOSITION, " (WM_IME_ENDCOMPOSITION)" };
        yield return new object[] { PInvokeCore.WM_IME_COMPOSITION, " (WM_IME_COMPOSITION)" };
        yield return new object[] { PInvokeCore.WM_INITDIALOG, " (WM_INITDIALOG)" };
        yield return new object[] { PInvokeCore.WM_COMMAND, " (WM_COMMAND)" };
        yield return new object[] { PInvokeCore.WM_SYSCOMMAND, " (WM_SYSCOMMAND)" };
        yield return new object[] { PInvokeCore.WM_TIMER, " (WM_TIMER)" };
        yield return new object[] { PInvokeCore.WM_HSCROLL, " (WM_HSCROLL)" };
        yield return new object[] { PInvokeCore.WM_VSCROLL, " (WM_VSCROLL)" };
        yield return new object[] { PInvokeCore.WM_INITMENU, " (WM_INITMENU)" };
        yield return new object[] { PInvokeCore.WM_INITMENUPOPUP, " (WM_INITMENUPOPUP)" };
        yield return new object[] { PInvokeCore.WM_MENUSELECT, " (WM_MENUSELECT)" };
        yield return new object[] { PInvokeCore.WM_MENUCHAR, " (WM_MENUCHAR)" };
        yield return new object[] { PInvokeCore.WM_ENTERIDLE, " (WM_ENTERIDLE)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLORMSGBOX, " (WM_CTLCOLORMSGBOX)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLOREDIT, " (WM_CTLCOLOREDIT)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLORLISTBOX, " (WM_CTLCOLORLISTBOX)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLORBTN, " (WM_CTLCOLORBTN)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLORDLG, " (WM_CTLCOLORDLG)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLORSCROLLBAR, " (WM_CTLCOLORSCROLLBAR)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLORSTATIC, " (WM_CTLCOLORSTATIC)" };
        yield return new object[] { PInvokeCore.WM_MOUSEMOVE, " (WM_MOUSEMOVE)" };
        yield return new object[] { PInvokeCore.WM_LBUTTONDOWN, " (WM_LBUTTONDOWN)" };
        yield return new object[] { PInvokeCore.WM_LBUTTONUP, " (WM_LBUTTONUP)" };
        yield return new object[] { PInvokeCore.WM_LBUTTONDBLCLK, " (WM_LBUTTONDBLCLK)" };
        yield return new object[] { PInvokeCore.WM_RBUTTONDOWN, " (WM_RBUTTONDOWN)" };
        yield return new object[] { PInvokeCore.WM_RBUTTONUP, " (WM_RBUTTONUP)" };
        yield return new object[] { PInvokeCore.WM_RBUTTONDBLCLK, " (WM_RBUTTONDBLCLK)" };
        yield return new object[] { PInvokeCore.WM_MBUTTONDOWN, " (WM_MBUTTONDOWN)" };
        yield return new object[] { PInvokeCore.WM_MBUTTONUP, " (WM_MBUTTONUP)" };
        yield return new object[] { PInvokeCore.WM_MBUTTONDBLCLK, " (WM_MBUTTONDBLCLK)" };
        yield return new object[] { PInvokeCore.WM_MOUSEWHEEL, " (WM_MOUSEWHEEL)" };
        yield return new object[] { PInvokeCore.WM_PARENTNOTIFY, " (WM_PARENTNOTIFY)", " (WM_DESTROY)" };
        yield return new object[] { PInvokeCore.WM_ENTERMENULOOP, " (WM_ENTERMENULOOP)" };
        yield return new object[] { PInvokeCore.WM_EXITMENULOOP, " (WM_EXITMENULOOP)" };
        yield return new object[] { PInvokeCore.WM_NEXTMENU, " (WM_NEXTMENU)" };
        yield return new object[] { PInvokeCore.WM_SIZING, " (WM_SIZING)" };
        yield return new object[] { PInvokeCore.WM_CAPTURECHANGED, " (WM_CAPTURECHANGED)" };
        yield return new object[] { PInvokeCore.WM_MOVING, " (WM_MOVING)" };
        yield return new object[] { PInvokeCore.WM_POWERBROADCAST, " (WM_POWERBROADCAST)" };
        yield return new object[] { PInvokeCore.WM_DEVICECHANGE, " (WM_DEVICECHANGE)" };
        yield return new object[] { PInvokeCore.WM_IME_SETCONTEXT, " (WM_IME_SETCONTEXT)" };
        yield return new object[] { PInvokeCore.WM_IME_NOTIFY, " (WM_IME_NOTIFY)" };
        yield return new object[] { PInvokeCore.WM_IME_CONTROL, " (WM_IME_CONTROL)" };
        yield return new object[] { PInvokeCore.WM_IME_COMPOSITIONFULL, " (WM_IME_COMPOSITIONFULL)" };
        yield return new object[] { PInvokeCore.WM_IME_SELECT, " (WM_IME_SELECT)" };
        yield return new object[] { PInvokeCore.WM_IME_CHAR, " (WM_IME_CHAR)" };
        yield return new object[] { PInvokeCore.WM_IME_KEYDOWN, " (WM_IME_KEYDOWN)" };
        yield return new object[] { PInvokeCore.WM_IME_KEYUP, " (WM_IME_KEYUP)" };
        yield return new object[] { PInvokeCore.WM_MDICREATE, " (WM_MDICREATE)" };
        yield return new object[] { PInvokeCore.WM_MDIDESTROY, " (WM_MDIDESTROY)" };
        yield return new object[] { PInvokeCore.WM_MDIACTIVATE, " (WM_MDIACTIVATE)" };
        yield return new object[] { PInvokeCore.WM_MDIRESTORE, " (WM_MDIRESTORE)" };
        yield return new object[] { PInvokeCore.WM_MDINEXT, " (WM_MDINEXT)" };
        yield return new object[] { PInvokeCore.WM_MDIMAXIMIZE, " (WM_MDIMAXIMIZE)" };
        yield return new object[] { PInvokeCore.WM_MDITILE, " (WM_MDITILE)" };
        yield return new object[] { PInvokeCore.WM_MDICASCADE, " (WM_MDICASCADE)" };
        yield return new object[] { PInvokeCore.WM_MDIICONARRANGE, " (WM_MDIICONARRANGE)" };
        yield return new object[] { PInvokeCore.WM_MDIGETACTIVE, " (WM_MDIGETACTIVE)" };
        yield return new object[] { PInvokeCore.WM_MDISETMENU, " (WM_MDISETMENU)" };
        yield return new object[] { PInvokeCore.WM_ENTERSIZEMOVE, " (WM_ENTERSIZEMOVE)" };
        yield return new object[] { PInvokeCore.WM_EXITSIZEMOVE, " (WM_EXITSIZEMOVE)" };
        yield return new object[] { PInvokeCore.WM_DROPFILES, " (WM_DROPFILES)" };
        yield return new object[] { PInvokeCore.WM_MDIREFRESHMENU, " (WM_MDIREFRESHMENU)" };
        yield return new object[] { PInvokeCore.WM_MOUSEHOVER, " (WM_MOUSEHOVER)" };
        yield return new object[] { PInvokeCore.WM_MOUSELEAVE, " (WM_MOUSELEAVE)" };
        yield return new object[] { PInvokeCore.WM_CUT, " (WM_CUT)" };
        yield return new object[] { PInvokeCore.WM_COPY, " (WM_COPY)" };
        yield return new object[] { PInvokeCore.WM_PASTE, " (WM_PASTE)" };
        yield return new object[] { PInvokeCore.WM_CLEAR, " (WM_CLEAR)" };
        yield return new object[] { PInvokeCore.WM_UNDO, " (WM_UNDO)" };
        yield return new object[] { PInvokeCore.WM_RENDERFORMAT, " (WM_RENDERFORMAT)" };
        yield return new object[] { PInvokeCore.WM_RENDERALLFORMATS, " (WM_RENDERALLFORMATS)" };
        yield return new object[] { PInvokeCore.WM_DESTROYCLIPBOARD, " (WM_DESTROYCLIPBOARD)" };
        yield return new object[] { PInvokeCore.WM_DRAWCLIPBOARD, " (WM_DRAWCLIPBOARD)" };
        yield return new object[] { PInvokeCore.WM_PAINTCLIPBOARD, " (WM_PAINTCLIPBOARD)" };
        yield return new object[] { PInvokeCore.WM_VSCROLLCLIPBOARD, " (WM_VSCROLLCLIPBOARD)" };
        yield return new object[] { PInvokeCore.WM_SIZECLIPBOARD, " (WM_SIZECLIPBOARD)" };
        yield return new object[] { PInvokeCore.WM_ASKCBFORMATNAME, " (WM_ASKCBFORMATNAME)" };
        yield return new object[] { PInvokeCore.WM_CHANGECBCHAIN, " (WM_CHANGECBCHAIN)" };
        yield return new object[] { PInvokeCore.WM_HSCROLLCLIPBOARD, " (WM_HSCROLLCLIPBOARD)" };
        yield return new object[] { PInvokeCore.WM_QUERYNEWPALETTE, " (WM_QUERYNEWPALETTE)" };
        yield return new object[] { PInvokeCore.WM_PALETTEISCHANGING, " (WM_PALETTEISCHANGING)" };
        yield return new object[] { PInvokeCore.WM_PALETTECHANGED, " (WM_PALETTECHANGED)" };
        yield return new object[] { PInvokeCore.WM_HOTKEY, " (WM_HOTKEY)" };
        yield return new object[] { PInvokeCore.WM_PRINT, " (WM_PRINT)" };
        yield return new object[] { PInvokeCore.WM_PRINTCLIENT, " (WM_PRINTCLIENT)" };
        yield return new object[] { PInvokeCore.WM_HANDHELDFIRST, " (WM_HANDHELDFIRST)" };
        yield return new object[] { PInvokeCore.WM_HANDHELDLAST, " (WM_HANDHELDLAST)" };
        yield return new object[] { PInvokeCore.WM_AFXFIRST, " (WM_AFXFIRST)" };
        yield return new object[] { PInvokeCore.WM_AFXLAST, " (WM_AFXLAST)" };
        yield return new object[] { PInvokeCore.WM_PENWINFIRST, " (WM_PENWINFIRST)" };
        yield return new object[] { PInvokeCore.WM_PENWINLAST, " (WM_PENWINLAST)" };
        yield return new object[] { PInvokeCore.WM_APP, " (WM_APP)" };
        yield return new object[] { PInvokeCore.WM_USER, " (WM_USER)" };
        yield return new object[] { PInvokeCore.WM_CTLCOLOR, " (WM_CTLCOLOR)" };

        // RichEdit messages
        yield return new object[] { PInvokeCore.EM_GETLIMITTEXT, " (EM_GETLIMITTEXT)" };
        yield return new object[] { PInvokeCore.EM_POSFROMCHAR, " (EM_POSFROMCHAR)" };
        yield return new object[] { PInvokeCore.EM_CHARFROMPOS, " (EM_CHARFROMPOS)" };
        yield return new object[] { PInvokeCore.EM_SCROLLCARET, " (EM_SCROLLCARET)" };
        yield return new object[] { PInvokeCore.EM_CANPASTE, " (EM_CANPASTE)" };
        yield return new object[] { PInvokeCore.EM_DISPLAYBAND, " (EM_DISPLAYBAND)" };
        yield return new object[] { PInvokeCore.EM_EXGETSEL, " (EM_EXGETSEL)" };
        yield return new object[] { PInvokeCore.EM_EXLIMITTEXT, " (EM_EXLIMITTEXT)" };
        yield return new object[] { PInvokeCore.EM_EXLINEFROMCHAR, " (EM_EXLINEFROMCHAR)" };
        yield return new object[] { PInvokeCore.EM_EXSETSEL, " (EM_EXSETSEL)" };
        yield return new object[] { PInvokeCore.EM_FINDTEXT, " (EM_FINDTEXT)" };
        yield return new object[] { PInvokeCore.EM_FORMATRANGE, " (EM_FORMATRANGE)" };
        yield return new object[] { PInvokeCore.EM_GETCHARFORMAT, " (EM_GETCHARFORMAT)" };
        yield return new object[] { PInvokeCore.EM_GETEVENTMASK, " (EM_GETEVENTMASK)" };
        yield return new object[] { PInvokeCore.EM_GETOLEINTERFACE, " (EM_GETOLEINTERFACE)" };
        yield return new object[] { PInvokeCore.EM_GETPARAFORMAT, " (EM_GETPARAFORMAT)" };
        yield return new object[] { PInvokeCore.EM_GETSELTEXT, " (EM_GETSELTEXT)" };
        yield return new object[] { PInvokeCore.EM_HIDESELECTION, " (EM_HIDESELECTION)" };
        yield return new object[] { PInvokeCore.EM_PASTESPECIAL, " (EM_PASTESPECIAL)" };
        yield return new object[] { PInvokeCore.EM_REQUESTRESIZE, " (EM_REQUESTRESIZE)" };
        yield return new object[] { PInvokeCore.EM_SELECTIONTYPE, " (EM_SELECTIONTYPE)" };
        yield return new object[] { PInvokeCore.EM_SETBKGNDCOLOR, " (EM_SETBKGNDCOLOR)" };
        yield return new object[] { PInvokeCore.EM_SETCHARFORMAT, " (EM_SETCHARFORMAT)" };
        yield return new object[] { PInvokeCore.EM_SETEVENTMASK, " (EM_SETEVENTMASK)" };
        yield return new object[] { PInvokeCore.EM_SETOLECALLBACK, " (EM_SETOLECALLBACK)" };
        yield return new object[] { PInvokeCore.EM_SETPARAFORMAT, " (EM_SETPARAFORMAT)" };
        yield return new object[] { PInvokeCore.EM_SETTARGETDEVICE, " (EM_SETTARGETDEVICE)" };
        yield return new object[] { PInvokeCore.EM_STREAMIN, " (EM_STREAMIN)" };
        yield return new object[] { PInvokeCore.EM_STREAMOUT, " (EM_STREAMOUT)" };
        yield return new object[] { PInvokeCore.EM_GETTEXTRANGE, " (EM_GETTEXTRANGE)" };
        yield return new object[] { PInvokeCore.EM_FINDWORDBREAK, " (EM_FINDWORDBREAK)" };
        yield return new object[] { PInvokeCore.EM_SETOPTIONS, " (EM_SETOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_GETOPTIONS, " (EM_GETOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_FINDTEXTEX, " (EM_FINDTEXTEX)" };
        yield return new object[] { PInvokeCore.EM_GETWORDBREAKPROCEX, " (EM_GETWORDBREAKPROCEX)" };
        yield return new object[] { PInvokeCore.EM_SETWORDBREAKPROCEX, " (EM_SETWORDBREAKPROCEX)" };

        // Richedit v2.0 messages
        yield return new object[] { PInvokeCore.EM_SETUNDOLIMIT, " (EM_SETUNDOLIMIT)" };
        yield return new object[] { PInvokeCore.EM_REDO, " (EM_REDO)" };
        yield return new object[] { PInvokeCore.EM_CANREDO, " (EM_CANREDO)" };
        yield return new object[] { PInvokeCore.EM_GETUNDONAME, " (EM_GETUNDONAME)" };
        yield return new object[] { PInvokeCore.EM_GETREDONAME, " (EM_GETREDONAME)" };
        yield return new object[] { PInvokeCore.EM_STOPGROUPTYPING, " (EM_STOPGROUPTYPING)" };
        yield return new object[] { PInvokeCore.EM_SETTEXTMODE, " (EM_SETTEXTMODE)" };
        yield return new object[] { PInvokeCore.EM_GETTEXTMODE, " (EM_GETTEXTMODE)" };
        yield return new object[] { PInvokeCore.EM_AUTOURLDETECT, " (EM_AUTOURLDETECT)" };
        yield return new object[] { PInvokeCore.EM_GETAUTOURLDETECT, " (EM_GETAUTOURLDETECT)" };
        yield return new object[] { PInvokeCore.EM_SETPALETTE, " (EM_SETPALETTE)" };
        yield return new object[] { PInvokeCore.EM_GETTEXTEX, " (EM_GETTEXTEX)" };
        yield return new object[] { PInvokeCore.EM_GETTEXTLENGTHEX, " (EM_GETTEXTLENGTHEX)" };

        // Asia specific messages
        yield return new object[] { PInvokeCore.EM_SETPUNCTUATION, " (EM_SETPUNCTUATION)" };
        yield return new object[] { PInvokeCore.EM_GETPUNCTUATION, " (EM_GETPUNCTUATION)" };
        yield return new object[] { PInvokeCore.EM_SETWORDWRAPMODE, " (EM_SETWORDWRAPMODE)" };
        yield return new object[] { PInvokeCore.EM_GETWORDWRAPMODE, " (EM_GETWORDWRAPMODE)" };
        yield return new object[] { PInvokeCore.EM_SETIMECOLOR, " (EM_SETIMECOLOR)" };
        yield return new object[] { PInvokeCore.EM_GETIMECOLOR, " (EM_GETIMECOLOR)" };
        yield return new object[] { PInvokeCore.EM_SETIMEOPTIONS, " (EM_SETIMEOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_GETIMEOPTIONS, " (EM_GETIMEOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_CONVPOSITION, " (EM_CONVPOSITION)" };
        yield return new object[] { PInvokeCore.EM_SETLANGOPTIONS, " (EM_SETLANGOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_GETLANGOPTIONS, " (EM_GETLANGOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_GETIMECOMPMODE, " (EM_GETIMECOMPMODE)" };
        yield return new object[] { PInvokeCore.EM_FINDTEXTW, " (EM_FINDTEXTW)" };
        yield return new object[] { PInvokeCore.EM_FINDTEXTEXW, " (EM_FINDTEXTEXW)" };

        // Rich Edit 3.0 Asia msgs
        yield return new object[] { PInvokeCore.EM_RECONVERSION, " (EM_RECONVERSION)" };
        yield return new object[] { PInvokeCore.EM_SETIMEMODEBIAS, " (EM_SETIMEMODEBIAS)" };
        yield return new object[] { PInvokeCore.EM_GETIMEMODEBIAS, " (EM_GETIMEMODEBIAS)" };

        // BiDi Specific messages
        yield return new object[] { PInvokeCore.EM_SETBIDIOPTIONS, " (EM_SETBIDIOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_GETBIDIOPTIONS, " (EM_GETBIDIOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_SETTYPOGRAPHYOPTIONS, " (EM_SETTYPOGRAPHYOPTIONS)" };
        yield return new object[] { PInvokeCore.EM_GETTYPOGRAPHYOPTIONS, " (EM_GETTYPOGRAPHYOPTIONS)" };

        // Extended Edit style specific messages
        yield return new object[] { PInvokeCore.EM_SETEDITSTYLE, " (EM_SETEDITSTYLE)" };
        yield return new object[] { PInvokeCore.EM_GETEDITSTYLE, " (EM_GETEDITSTYLE)" };
    }

    [Theory]
    [MemberData(nameof(ToString_TestData))]
    public void Message_ToString_Invoke_ReturnsExpected(int msg, string expected, string additionalMsg = null)
    {
        Message message = Message.Create(1, msg, 2, 3);
        message.Result = 4;
        Assert.Equal($"msg=0x{msg:x}{expected} hwnd=0x1 wparam=0x2 lparam=0x3{additionalMsg} result=0x4", message.ToString());
    }
}
