gui-cs.Terminal.Gui/Terminal.Gui/ConsoleDrivers/FakeDriver/FakeConsole.cs

//
// FakeConsole.cs: A fake .NET Windows Console API implementation for unit tests.
//

using Terminal.Gui.ConsoleDrivers;

namespace Terminal.Gui;

#pragma warning disable RCS1138 // Add summary to documentation comment.
/// <summary></summary>
public static class FakeConsole
{
#pragma warning restore RCS1138 // Add summary to documentation comment.

    //
    // Summary:
    //	Gets or sets the width of the console window.
    //
    // Returns:
    //	The width of the console window measured in columns.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	The value of the System.Console.WindowWidth property or the value of the System.Console.WindowHeight
    //	property is less than or equal to 0.-or-The value of the System.Console.WindowHeight
    //	property plus the value of the System.Console.WindowTop property is greater than
    //	or equal to System.Int16.MaxValue.-or-The value of the System.Console.WindowWidth
    //	property or the value of the System.Console.WindowHeight property is greater
    //	than the largest possible window width or height for the current screen resolution
    //	and console font.
    //
    //	T:System.IO.IOException:
    //	Error reading or writing information.
#pragma warning disable RCS1138 // Add summary to documentation comment.

    /// <summary>Specifies the initial console width.</summary>
    public const int WIDTH = 80;

    /// <summary>Specifies the initial console height.</summary>
    public const int HEIGHT = 25;

    /// <summary></summary>
    public static int WindowWidth { get; set; } = WIDTH;

    //
    // Summary:
    //	Gets a value that indicates whether output has been redirected from the standard
    //	output stream.
    //
    // Returns:
    //	true if output is redirected; otherwise, false.
    /// <summary></summary>
    public static bool IsOutputRedirected { get; }

    //
    // Summary:
    //	Gets a value that indicates whether the error output stream has been redirected
    //	from the standard error stream.
    //
    // Returns:
    //	true if error output is redirected; otherwise, false.
    /// <summary></summary>
    public static bool IsErrorRedirected { get; }

    //
    // Summary:
    //	Gets the standard input stream.
    //
    // Returns:
    //	A System.IO.TextReader that represents the standard input stream.
    /// <summary></summary>
    public static TextReader In { get; }

    //
    // Summary:
    //	Gets the standard output stream.
    //
    // Returns:
    //	A System.IO.TextWriter that represents the standard output stream.
    /// <summary></summary>
    public static TextWriter Out { get; }

    //
    // Summary:
    //	Gets the standard error output stream.
    //
    // Returns:
    //	A System.IO.TextWriter that represents the standard error output stream.
    /// <summary></summary>
    public static TextWriter Error { get; }

    //
    // Summary:
    //	Gets or sets the encoding the console uses to read input.
    //
    // Returns:
    //	The encoding used to read console input.
    //
    // Exceptions:
    //	T:System.ArgumentNullException:
    //	The property value in a set operation is null.
    //
    //	T:System.IO.IOException:
    //	An error occurred during the execution of this operation.
    //
    //	T:System.Security.SecurityException:
    //	Your application does not have permission to perform this operation.
    /// <summary></summary>
    public static Encoding InputEncoding { get; set; }

    //
    // Summary:
    //	Gets or sets the encoding the console uses to write output.
    //
    // Returns:
    //	The encoding used to write console output.
    //
    // Exceptions:
    //	T:System.ArgumentNullException:
    //	The property value in a set operation is null.
    //
    //	T:System.IO.IOException:
    //	An error occurred during the execution of this operation.
    //
    //	T:System.Security.SecurityException:
    //	Your application does not have permission to perform this operation.
    /// <summary></summary>
    public static Encoding OutputEncoding { get; set; }

    //
    // Summary:
    //	Gets or sets the background color of the console.
    //
    // Returns:
    //	A value that specifies the background color of the console; that is, the color
    //	that appears behind each character. The default is black.
    //
    // Exceptions:
    //	T:System.ArgumentException:
    //	The color specified in a set operation is not a valid member of System.ConsoleColor.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    private static readonly ConsoleColor _defaultBackgroundColor = ConsoleColor.Black;

    /// <summary></summary>
    public static ConsoleColor BackgroundColor { get; set; } = _defaultBackgroundColor;

    //
    // Summary:
    //	Gets or sets the foreground color of the console.
    //
    // Returns:
    //	A System.ConsoleColor that specifies the foreground color of the console; that
    //	is, the color of each character that is displayed. The default is gray.
    //
    // Exceptions:
    //	T:System.ArgumentException:
    //	The color specified in a set operation is not a valid member of System.ConsoleColor.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    private static readonly ConsoleColor _defaultForegroundColor = ConsoleColor.Gray;

    /// <summary></summary>
    public static ConsoleColor ForegroundColor { get; set; } = _defaultForegroundColor;

    //
    // Summary:
    //	Gets or sets the height of the buffer area.
    //
    // Returns:
    //	The current height, in rows, of the buffer area.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	The value in a set operation is less than or equal to zero.-or- The value in
    //	a set operation is greater than or equal to System.Int16.MaxValue.-or- The value
    //	in a set operation is less than System.Console.WindowTop + System.Console.WindowHeight.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static int BufferHeight { get; set; } = HEIGHT;

    //
    // Summary:
    //	Gets or sets the width of the buffer area.
    //
    // Returns:
    //	The current width, in columns, of the buffer area.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	The value in a set operation is less than or equal to zero.-or- The value in
    //	a set operation is greater than or equal to System.Int16.MaxValue.-or- The value
    //	in a set operation is less than System.Console.WindowLeft + System.Console.WindowWidth.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static int BufferWidth { get; set; } = WIDTH;

    //
    // Summary:
    //	Gets or sets the height of the console window area.
    //
    // Returns:
    //	The height of the console window measured in rows.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	The value of the System.Console.WindowWidth property or the value of the System.Console.WindowHeight
    //	property is less than or equal to 0.-or-The value of the System.Console.WindowHeight
    //	property plus the value of the System.Console.WindowTop property is greater than
    //	or equal to System.Int16.MaxValue.-or-The value of the System.Console.WindowWidth
    //	property or the value of the System.Console.WindowHeight property is greater
    //	than the largest possible window width or height for the current screen resolution
    //	and console font.
    //
    //	T:System.IO.IOException:
    //	Error reading or writing information.
    /// <summary></summary>
    public static int WindowHeight { get; set; } = HEIGHT;

    //
    // Summary:
    //	Gets or sets a value indicating whether the combination of the System.ConsoleModifiers.Control
    //	modifier key and System.ConsoleKey.C console key (Ctrl+C) is treated as ordinary
    //	input or as an interruption that is handled by the operating system.
    //
    // Returns:
    //	true if Ctrl+C is treated as ordinary input; otherwise, false.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	Unable to get or set the input mode of the console input buffer.
    /// <summary></summary>
    public static bool TreatControlCAsInput { get; set; }

    //
    // Summary:
    //	Gets the largest possible number of console window columns, based on the current
    //	font and screen resolution.
    //
    // Returns:
    //	The width of the largest possible console window measured in columns.
    /// <summary></summary>
    public static int LargestWindowWidth { get; }

    //
    // Summary:
    //	Gets the largest possible number of console window rows, based on the current
    //	font and screen resolution.
    //
    // Returns:
    //	The height of the largest possible console window measured in rows.
    /// <summary></summary>
    public static int LargestWindowHeight { get; }

    //
    // Summary:
    //	Gets or sets the leftmost position of the console window area relative to the
    //	screen buffer.
    //
    // Returns:
    //	The leftmost console window position measured in columns.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	In a set operation, the value to be assigned is less than zero.-or-As a result
    //	of the assignment, System.Console.WindowLeft plus System.Console.WindowWidth
    //	would exceed System.Console.BufferWidth.
    //
    //	T:System.IO.IOException:
    //	Error reading or writing information.
    /// <summary></summary>
    public static int WindowLeft { get; set; }

    //
    // Summary:
    //	Gets or sets the top position of the console window area relative to the screen
    //	buffer.
    //
    // Returns:
    //	The uppermost console window position measured in rows.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	In a set operation, the value to be assigned is less than zero.-or-As a result
    //	of the assignment, System.Console.WindowTop plus System.Console.WindowHeight
    //	would exceed System.Console.BufferHeight.
    //
    //	T:System.IO.IOException:
    //	Error reading or writing information.
    /// <summary></summary>
    public static int WindowTop { get; set; }

    //
    // Summary:
    //	Gets or sets the column position of the cursor within the buffer area.
    //
    // Returns:
    //	The current position, in columns, of the cursor.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	The value in a set operation is less than zero.-or- The value in a set operation
    //	is greater than or equal to System.Console.BufferWidth.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static int CursorLeft { get; set; }

    //
    // Summary:
    //	Gets or sets the row position of the cursor within the buffer area.
    //
    // Returns:
    //	The current position, in rows, of the cursor.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	The value in a set operation is less than zero.-or- The value in a set operation
    //	is greater than or equal to System.Console.BufferHeight.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static int CursorTop { get; set; }

    //
    // Summary:
    //	Gets or sets the height of the cursor within a character cell.
    //
    // Returns:
    //	The size of the cursor expressed as a percentage of the height of a character
    //	cell. The property value ranges from 1 to 100.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	The value specified in a set operation is less than 1 or greater than 100.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static int CursorSize { get; set; }

    //
    // Summary:
    //	Gets or sets a value indicating whether the cursor is visible.
    //
    // Returns:
    //	true if the cursor is visible; otherwise, false.
    //
    // Exceptions:
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static bool CursorVisible { get; set; }

    //
    // Summary:
    //	Gets or sets the title to display in the console title bar.
    //
    // Returns:
    //	The string to be displayed in the title bar of the console. The maximum length
    //	of the title string is 24500 characters.
    //
    // Exceptions:
    //	T:System.InvalidOperationException:
    //	In a get operation, the retrieved title is longer than 24500 characters.
    //
    //	T:System.ArgumentOutOfRangeException:
    //	In a set operation, the specified title is longer than 24500 characters.
    //
    //	T:System.ArgumentNullException:
    //	In a set operation, the specified title is null.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static string Title { get; set; }

    //
    // Summary:
    //	Gets a value indicating whether a key press is available in the input stream.
    //
    // Returns:
    //	true if a key press is available; otherwise, false.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.InvalidOperationException:
    //	Standard input is redirected to a file instead of the keyboard.
    /// <summary></summary>
    public static bool KeyAvailable { get; }

    //
    // Summary:
    //	Gets a value that indicates whether input has been redirected from the standard
    //	input stream.
    //
    // Returns:
    //	true if input is redirected; otherwise, false.
    /// <summary></summary>
    public static bool IsInputRedirected { get; }

    //
    // Summary:
    //	Plays the sound of a beep through the console speaker.
    //
    // Exceptions:
    //	T:System.Security.HostProtectionException:
    //	This method was executed on a server, such as SQL Server, that does not permit
    //	access to a user interface.
    /// <summary></summary>
    public static void Beep () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Plays the sound of a beep of a specified frequency and duration through the console
    //	speaker.
    //
    // Parameters:
    //	frequency:
    //	The frequency of the beep, ranging from 37 to 32767 hertz.
    //
    //	duration:
    //	The duration of the beep measured in milliseconds.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	frequency is less than 37 or more than 32767 hertz.-or- duration is less than
    //	or equal to zero.
    //
    //	T:System.Security.HostProtectionException:
    //	This method was executed on a server, such as SQL Server, that does not permit
    //	access to the console.
    /// <summary></summary>
    public static void Beep (int frequency, int duration) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Clears the console buffer and corresponding console window of display information.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    private static char [,] _buffer = new char [WindowWidth, WindowHeight];

    /// <summary></summary>
    public static void Clear ()
    {
        _buffer = new char [BufferWidth, BufferHeight];
        SetCursorPosition (0, 0);
    }

    //
    // Summary:
    //	Copies a specified source area of the screen buffer to a specified destination
    //	area.
    //
    // Parameters:
    //	sourceLeft:
    //	The leftmost column of the source area.
    //
    //	sourceTop:
    //	The topmost row of the source area.
    //
    //	sourceWidth:
    //	The number of columns in the source area.
    //
    //	sourceHeight:
    //	The number of rows in the source area.
    //
    //	targetLeft:
    //	The leftmost column of the destination area.
    //
    //	targetTop:
    //	The topmost row of the destination area.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	One or more of the parameters is less than zero.-or- sourceLeft or targetLeft
    //	is greater than or equal to System.Console.BufferWidth.-or- sourceTop or targetTop
    //	is greater than or equal to System.Console.BufferHeight.-or- sourceTop + sourceHeight
    //	is greater than or equal to System.Console.BufferHeight.-or- sourceLeft + sourceWidth
    //	is greater than or equal to System.Console.BufferWidth.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static void MoveBufferArea (
        int sourceLeft,
        int sourceTop,
        int sourceWidth,
        int sourceHeight,
        int targetLeft,
        int targetTop
    )
    {
        throw new NotImplementedException ();
    }

    //
    // Summary:
    //	Copies a specified source area of the screen buffer to a specified destination
    //	area.
    //
    // Parameters:
    //	sourceLeft:
    //	The leftmost column of the source area.
    //
    //	sourceTop:
    //	The topmost row of the source area.
    //
    //	sourceWidth:
    //	The number of columns in the source area.
    //
    //	sourceHeight:
    //	The number of rows in the source area.
    //
    //	targetLeft:
    //	The leftmost column of the destination area.
    //
    //	targetTop:
    //	The topmost row of the destination area.
    //
    //	sourceChar:
    //	The character used to fill the source area.
    //
    //	sourceForeColor:
    //	The foreground color used to fill the source area.
    //
    //	sourceBackColor:
    //	The background color used to fill the source area.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	One or more of the parameters is less than zero.-or- sourceLeft or targetLeft
    //	is greater than or equal to System.Console.BufferWidth.-or- sourceTop or targetTop
    //	is greater than or equal to System.Console.BufferHeight.-or- sourceTop + sourceHeight
    //	is greater than or equal to System.Console.BufferHeight.-or- sourceLeft + sourceWidth
    //	is greater than or equal to System.Console.BufferWidth.
    //
    //	T:System.ArgumentException:
    //	One or both of the color parameters is not a member of the System.ConsoleColor
    //	enumeration.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[SecuritySafeCritical]
    /// <summary></summary>
    public static void MoveBufferArea (
        int sourceLeft,
        int sourceTop,
        int sourceWidth,
        int sourceHeight,
        int targetLeft,
        int targetTop,
        char sourceChar,
        ConsoleColor sourceForeColor,
        ConsoleColor sourceBackColor
    )
    {
        throw new NotImplementedException ();
    }

    //
    // Summary:
    //	Acquires the standard error stream.
    //
    // Returns:
    //	The standard error stream.
    /// <summary></summary>
    public static Stream OpenStandardError () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Acquires the standard error stream, which is set to a specified buffer size.
    //
    // Parameters:
    //	bufferSize:
    //	The internal stream buffer size.
    //
    // Returns:
    //	The standard error stream.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	bufferSize is less than or equal to zero.
    /// <summary></summary>
    public static Stream OpenStandardError (int bufferSize) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Acquires the standard input stream, which is set to a specified buffer size.
    //
    // Parameters:
    //	bufferSize:
    //	The internal stream buffer size.
    //
    // Returns:
    //	The standard input stream.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	bufferSize is less than or equal to zero.
    /// <summary></summary>
    public static Stream OpenStandardInput (int bufferSize) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Acquires the standard input stream.
    //
    // Returns:
    //	The standard input stream.
    /// <summary></summary>
    public static Stream OpenStandardInput () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Acquires the standard output stream, which is set to a specified buffer size.
    //
    // Parameters:
    //	bufferSize:
    //	The internal stream buffer size.
    //
    // Returns:
    //	The standard output stream.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	bufferSize is less than or equal to zero.
    /// <summary></summary>
    public static Stream OpenStandardOutput (int bufferSize) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Acquires the standard output stream.
    //
    // Returns:
    //	The standard output stream.
    /// <summary></summary>
    public static Stream OpenStandardOutput () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Reads the next character from the standard input stream.
    //
    // Returns:
    //	The next character from the input stream, or negative one (-1) if there are currently
    //	no more characters to be read.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static int Read () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Obtains the next character or function key pressed by the user. The pressed key
    //	is optionally displayed in the console window.
    //
    // Parameters:
    //	intercept:
    //	Determines whether to display the pressed key in the console window. true to
    //	not display the pressed key; otherwise, false.
    //
    // Returns:
    //	An object that describes the System.ConsoleKey constant and Unicode character,
    //	if any, that correspond to the pressed console key. The System.ConsoleKeyInfo
    //	object also describes, in a bitwise combination of System.ConsoleModifiers values,
    //	whether one or more Shift, Alt, or Ctrl modifier keys was pressed simultaneously
    //	with the console key.
    //
    // Exceptions:
    //	T:System.InvalidOperationException:
    //	The System.Console.In property is redirected from some stream other than the
    //	console.
    //[SecuritySafeCritical]

    /// <summary>A stack of keypresses to return when ReadKey is called.</summary>
    public static Stack<ConsoleKeyInfo> MockKeyPresses = new ();

    /// <summary>Helper to push a <see cref="KeyCode"/> onto <see cref="MockKeyPresses"/>.</summary>
    /// <param name="key"></param>
    public static void PushMockKeyPress (KeyCode key)
    {
        MockKeyPresses.Push (
                             new ConsoleKeyInfo (
                                                 (char)(key
                                                        & ~KeyCode.CtrlMask
                                                        & ~KeyCode.ShiftMask
                                                        & ~KeyCode.AltMask),
                                                 ConsoleKeyMapping.GetConsoleKeyInfoFromKeyCode (key).Key,
                                                 key.HasFlag (KeyCode.ShiftMask),
                                                 key.HasFlag (KeyCode.AltMask),
                                                 key.HasFlag (KeyCode.CtrlMask)
                                                )
                            );
    }

    //
    // Summary:
    //	Obtains the next character or function key pressed by the user. The pressed key
    //	is displayed in the console window.
    //
    // Returns:
    //	An object that describes the System.ConsoleKey constant and Unicode character,
    //	if any, that correspond to the pressed console key. The System.ConsoleKeyInfo
    //	object also describes, in a bitwise combination of System.ConsoleModifiers values,
    //	whether one or more Shift, Alt, or Ctrl modifier keys was pressed simultaneously
    //	with the console key.
    //
    // Exceptions:
    //	T:System.InvalidOperationException:
    //	The System.Console.In property is redirected from some stream other than the
    //	console.
    /// <summary></summary>
    public static ConsoleKeyInfo ReadKey () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Reads the next line of characters from the standard input stream.
    //
    // Returns:
    //	The next line of characters from the input stream, or null if no more lines are
    //	available.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.OutOfMemoryException:
    //	There is insufficient memory to allocate a buffer for the returned string.
    //
    //	T:System.ArgumentOutOfRangeException:
    //	The number of characters in the next line of characters is greater than System.Int32.MaxValue.
    /// <summary></summary>
    public static string ReadLine () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Sets the foreground and background console colors to their defaults.
    //
    // Exceptions:
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[SecuritySafeCritical]
    /// <summary></summary>
    public static void ResetColor ()
    {
        BackgroundColor = _defaultBackgroundColor;
        ForegroundColor = _defaultForegroundColor;
    }

    //
    // Summary:
    //	Sets the height and width of the screen buffer area to the specified values.
    //
    // Parameters:
    //	width:
    //	The width of the buffer area measured in columns.
    //
    //	height:
    //	The height of the buffer area measured in rows.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	height or width is less than or equal to zero.-or- height or width is greater
    //	than or equal to System.Int16.MaxValue.-or- width is less than System.Console.WindowLeft
    //	+ System.Console.WindowWidth.-or- height is less than System.Console.WindowTop
    //	+ System.Console.WindowHeight.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[SecuritySafeCritical]
    /// <summary></summary>
    public static void SetBufferSize (int width, int height)
    {
        BufferWidth = width;
        BufferHeight = height;
        _buffer = new char [BufferWidth, BufferHeight];
    }

    //
    // Summary:
    //	Sets the position of the cursor.
    //
    // Parameters:
    //	left:
    //	The column position of the cursor. Columns are numbered from left to right starting
    //	at 0.
    //
    //	top:
    //	The row position of the cursor. Rows are numbered from top to bottom starting
    //	at 0.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	left or top is less than zero.-or- left is greater than or equal to System.Console.BufferWidth.-or-
    //	top is greater than or equal to System.Console.BufferHeight.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[SecuritySafeCritical]
    /// <summary></summary>
    public static void SetCursorPosition (int left, int top)
    {
        CursorLeft = left;
        CursorTop = top;
        WindowLeft = Math.Max (Math.Min (left, BufferWidth - WindowWidth), 0);
        WindowTop = Math.Max (Math.Min (top, BufferHeight - WindowHeight), 0);
    }

    //
    // Summary:
    //	Sets the System.Console.Error property to the specified System.IO.TextWriter
    //	object.
    //
    // Parameters:
    //	newError:
    //	A stream that is the new standard error output.
    //
    // Exceptions:
    //	T:System.ArgumentNullException:
    //	newError is null.
    //
    //	T:System.Security.SecurityException:
    //	The caller does not have the required permission.
    //[SecuritySafeCritical]
    /// <summary></summary>
    public static void SetError (TextWriter newError) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Sets the System.Console.In property to the specified System.IO.TextReader object.
    //
    // Parameters:
    //	newIn:
    //	A stream that is the new standard input.
    //
    // Exceptions:
    //	T:System.ArgumentNullException:
    //	newIn is null.
    //
    //	T:System.Security.SecurityException:
    //	The caller does not have the required permission.
    //[SecuritySafeCritical]
    /// <summary></summary>
    public static void SetIn (TextReader newIn) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Sets the System.Console.Out property to the specified System.IO.TextWriter object.
    //
    // Parameters:
    //	newOut:
    //	A stream that is the new standard output.
    //
    // Exceptions:
    //	T:System.ArgumentNullException:
    //	newOut is null.
    //
    //	T:System.Security.SecurityException:
    //	The caller does not have the required permission.
    //[SecuritySafeCritical]
    /// <summary></summary>
    /// <param name="newOut"></param>
    public static void SetOut (TextWriter newOut) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Sets the position of the console window relative to the screen buffer.
    //
    // Parameters:
    //	left:
    //	The column position of the upper left corner of the console window.
    //
    //	top:
    //	The row position of the upper left corner of the console window.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	left or top is less than zero.-or- left + System.Console.WindowWidth is greater
    //	than System.Console.BufferWidth.-or- top + System.Console.WindowHeight is greater
    //	than System.Console.BufferHeight.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[SecuritySafeCritical]
    /// <summary></summary>
    /// <param name="left"></param>
    /// <param name="top"></param>
    public static void SetWindowPosition (int left, int top)
    {
        WindowLeft = left;
        WindowTop = top;
    }

    //
    // Summary:
    //	Sets the height and width of the console window to the specified values.
    //
    // Parameters:
    //	width:
    //	The width of the console window measured in columns.
    //
    //	height:
    //	The height of the console window measured in rows.
    //
    // Exceptions:
    //	T:System.ArgumentOutOfRangeException:
    //	width or height is less than or equal to zero.-or- width plus System.Console.WindowLeft
    //	or height plus System.Console.WindowTop is greater than or equal to System.Int16.MaxValue.
    //	-or- width or height is greater than the largest possible window width or height
    //	for the current screen resolution and console font.
    //
    //	T:System.Security.SecurityException:
    //	The user does not have permission to perform this action.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[SecuritySafeCritical]
    /// <summary></summary>
    /// <param name="width"></param>
    /// <param name="height"></param>
    public static void SetWindowSize (int width, int height)
    {
        WindowWidth = width;
        WindowHeight = height;
    }

    //
    // Summary:
    //	Writes the specified string value to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (string value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified object to the standard output
    //	stream.
    //
    // Parameters:
    //	value:
    //	The value to write, or null.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (object value)
    {
        if (value is Rune rune)
        {
            Write ((char)rune.Value);
        }
        else
        {
            throw new NotImplementedException ();
        }
    }

    //
    // Summary:
    //	Writes the text representation of the specified 64-bit unsigned integer value
    //	to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[CLSCompliant (false)]
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (ulong value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified 64-bit signed integer value to
    //	the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (long value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified objects to the standard output
    //	stream using the specified format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg0:
    //	The first object to write using format.
    //
    //	arg1:
    //	The second object to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    /// <param name="arg1"></param>
    public static void Write (string format, object arg0, object arg1) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified 32-bit signed integer value to
    //	the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (int value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified object to the standard output
    //	stream using the specified format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg0:
    //	An object to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    public static void Write (string format, object arg0) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified 32-bit unsigned integer value
    //	to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[CLSCompliant (false)]
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (uint value) { throw new NotImplementedException (); }

    //[CLSCompliant (false)]
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    /// <param name="arg1"></param>
    /// <param name="arg2"></param>
    /// <param name="arg3"></param>
    public static void Write (string format, object arg0, object arg1, object arg2, object arg3) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified array of objects to the standard
    //	output stream using the specified format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg:
    //	An array of objects to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format or arg is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg"></param>
    public static void Write (string format, params object [] arg) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified Boolean value to the standard
    //	output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (bool value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the specified Unicode character value to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (char value) { _buffer [CursorLeft, CursorTop] = value; }

    //
    // Summary:
    //	Writes the specified array of Unicode characters to the standard output stream.
    //
    // Parameters:
    //	buffer:
    //	A Unicode character array.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="buffer"></param>
    public static void Write (char [] buffer)
    {
        _buffer [CursorLeft, CursorTop] = (char)0;

        foreach (char ch in buffer)
        {
            _buffer [CursorLeft, CursorTop] += ch;
        }
    }

    //
    // Summary:
    //	Writes the specified subarray of Unicode characters to the standard output stream.
    //
    // Parameters:
    //	buffer:
    //	An array of Unicode characters.
    //
    //	index:
    //	The starting position in buffer.
    //
    //	count:
    //	The number of characters to write.
    //
    // Exceptions:
    //	T:System.ArgumentNullException:
    //	buffer is null.
    //
    //	T:System.ArgumentOutOfRangeException:
    //	index or count is less than zero.
    //
    //	T:System.ArgumentException:
    //	index plus count specify a position that is not within buffer.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="buffer"></param>
    /// <param name="index"></param>
    /// <param name="count"></param>
    public static void Write (char [] buffer, int index, int count) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified objects to the standard output
    //	stream using the specified format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg0:
    //	The first object to write using format.
    //
    //	arg1:
    //	The second object to write using format.
    //
    //	arg2:
    //	The third object to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    /// <param name="arg1"></param>
    /// <param name="arg2"></param>
    public static void Write (string format, object arg0, object arg1, object arg2) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified System.Decimal value to the standard
    //	output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (decimal value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified single-precision floating-point
    //	value to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (float value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified double-precision floating-point
    //	value to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void Write (double value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the current line terminator to the standard output stream.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    public static void WriteLine () { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified single-precision floating-point
    //	value, followed by the current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (float value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified 32-bit signed integer value,
    //	followed by the current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (int value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified 32-bit unsigned integer value,
    //	followed by the current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[CLSCompliant (false)]
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (uint value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified 64-bit signed integer value,
    //	followed by the current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (long value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified 64-bit unsigned integer value,
    //	followed by the current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //[CLSCompliant (false)]
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (ulong value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified object, followed by the current
    //	line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (object value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the specified string value, followed by the current line terminator, to
    //	the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (string value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified object, followed by the current
    //	line terminator, to the standard output stream using the specified format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg0:
    //	An object to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    public static void WriteLine (string format, object arg0) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified objects, followed by the current
    //	line terminator, to the standard output stream using the specified format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg0:
    //	The first object to write using format.
    //
    //	arg1:
    //	The second object to write using format.
    //
    //	arg2:
    //	The third object to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    /// <param name="arg1"></param>
    /// <param name="arg2"></param>
    public static void WriteLine (string format, object arg0, object arg1, object arg2) { throw new NotImplementedException (); }

    //[CLSCompliant (false)]
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    /// <param name="arg1"></param>
    /// <param name="arg2"></param>
    /// <param name="arg3"></param>
    public static void WriteLine (string format, object arg0, object arg1, object arg2, object arg3) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified array of objects, followed by
    //	the current line terminator, to the standard output stream using the specified
    //	format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg:
    //	An array of objects to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format or arg is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg"></param>
    public static void WriteLine (string format, params object [] arg) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the specified subarray of Unicode characters, followed by the current
    //	line terminator, to the standard output stream.
    //
    // Parameters:
    //	buffer:
    //	An array of Unicode characters.
    //
    //	index:
    //	The starting position in buffer.
    //
    //	count:
    //	The number of characters to write.
    //
    // Exceptions:
    //	T:System.ArgumentNullException:
    //	buffer is null.
    //
    //	T:System.ArgumentOutOfRangeException:
    //	index or count is less than zero.
    //
    //	T:System.ArgumentException:
    //	index plus count specify a position that is not within buffer.
    //
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="buffer"></param>
    /// <param name="index"></param>
    /// <param name="count"></param>
    public static void WriteLine (char [] buffer, int index, int count) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified System.Decimal value, followed
    //	by the current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (decimal value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the specified array of Unicode characters, followed by the current line
    //	terminator, to the standard output stream.
    //
    // Parameters:
    //	buffer:
    //	A Unicode character array.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="buffer"></param>
    public static void WriteLine (char [] buffer) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the specified Unicode character, followed by the current line terminator,
    //	value to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (char value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified Boolean value, followed by the
    //	current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (bool value) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified objects, followed by the current
    //	line terminator, to the standard output stream using the specified format information.
    //
    // Parameters:
    //	format:
    //	A composite format string (see Remarks).
    //
    //	arg0:
    //	The first object to write using format.
    //
    //	arg1:
    //	The second object to write using format.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    //
    //	T:System.ArgumentNullException:
    //	format is null.
    //
    //	T:System.FormatException:
    //	The format specification in format is invalid.
    /// <summary></summary>
    /// <param name="format"></param>
    /// <param name="arg0"></param>
    /// <param name="arg1"></param>
    public static void WriteLine (string format, object arg0, object arg1) { throw new NotImplementedException (); }

    //
    // Summary:
    //	Writes the text representation of the specified double-precision floating-point
    //	value, followed by the current line terminator, to the standard output stream.
    //
    // Parameters:
    //	value:
    //	The value to write.
    //
    // Exceptions:
    //	T:System.IO.IOException:
    //	An I/O error occurred.
    /// <summary></summary>
    /// <param name="value"></param>
    public static void WriteLine (double value) { throw new NotImplementedException (); }
}