//
// TestHelper.cs: Helper class for MWF unit tests.
//
// Author:
//   Everaldo Canuto (ecanuto@novell.com)
//
// (C) 2006 Novell, Inc. (http://www.novell.com)
//

using System;
using System.ComponentModel;
using System.Windows.Forms;
using System.Drawing;
using System.Reflection;
using System.Collections;
using NUnit.Framework;
using System.IO;
using System.Diagnostics;

namespace MonoTests.System.Windows.Forms
{
	public class TestHelper
	{

		public static void DumpObject (object obj, string objName)
		{
			DumpObject (obj, obj.GetType (), objName, "#", int.MaxValue);
		}

		public static void DumpObject (object obj, string objName, int maxrecursive)
		{
			DumpObject (obj, obj.GetType (), objName, "#", maxrecursive);
		}

		public static void DumpObject (object obj, Type objType, string objName, string prefix, int maxrecursive)
		{
			using (StringWriter writer = new StringWriter ()) {
				DumpObject (obj, objType, objName, writer, 0, prefix, new ArrayList (), maxrecursive, 0);
				Debug.WriteLine (writer.ToString ());
				//return writer.ToString ();
			}
		}
		
		public static void DumpObject (object obj, Type objType, string objName, StringWriter writer, int tabs, string prefix, ArrayList done, int maxrecursive, int level)
		{
			if (obj == null)
				return;

			for (int j = 0; j < done.Count; j++) {
				if (!(obj.GetType ().IsClass || obj.GetType ().IsInterface))
					continue;
				if (done [j] == obj)
					return;
			}
			if (obj.GetType ().IsClass || obj.GetType ().IsInterface)
				done.Add (obj);
			
			
			PropertyInfo [] properties = objType.GetProperties (BindingFlags.Public | BindingFlags.Instance);
			FieldInfo [] fields = objType.GetFields (BindingFlags.Public | BindingFlags.Instance);
			
			Hashtable values = new Hashtable ();
			Hashtable members = new Hashtable ();
			
			foreach (PropertyInfo property in properties) {
				MethodInfo getter;
				object value;
				
				getter = property.GetGetMethod ();
				
				if (getter == null)
					continue;
					
				if (getter.GetParameters ().Length > 0)
					continue;
				
				try {	
					value = getter.Invoke (obj, new object [] {});
				} catch (TargetInvocationException ex) {
					if (ex.InnerException != null) {
						value = ex.InnerException;
					} else {
						value = ex;
					}
				} catch (Exception ex) {
					value = ex;
				}
				members.Add (property.Name, property);
				values.Add (property.Name, value);
			}

			foreach (FieldInfo field in fields) {
				object value;
				
				try {
					value = field.GetValue (obj);
				} catch (TargetInvocationException ex) {
					if (ex.InnerException != null) {
						value = ex.InnerException;
					} else {
						value = ex;
					}
				} catch (Exception ex) {
					value = ex;
				}

				members.Add (field.Name, field);
				values.Add (field.Name, value);
			}
			
			string [] sorted = new string [values.Count];
			int i = 0;
			foreach (DictionaryEntry entry in values) {
				sorted [i++] = (string) entry.Key;
			}
			Array.Sort (sorted);

			string showName = objName;
			for (int j = 0; j < sorted.Length; j++) {
				string name = sorted [j];
				object value = values [name];
				string message = prefix + showName + "." + name;
				string tab = new string ('\t', tabs);
				
				if (value == null) {
					writer.WriteLine ("{0}Assert.IsNull ({1}.{2}, \"{3}\");", tab, showName, name, message);
					continue;
				}
				
				string code;
				
				switch (Type.GetTypeCode (value.GetType ())) {
				case TypeCode.Boolean:
					code = ((bool) value) ? "true" : "false"; break;
				case TypeCode.Byte:
				case TypeCode.Decimal:
				case TypeCode.Double:
				case TypeCode.Int16:
				case TypeCode.Int32:
				case TypeCode.Int64:
				case TypeCode.SByte:
				case TypeCode.Single:
				case TypeCode.UInt16:
				case TypeCode.UInt32:
				case TypeCode.UInt64:
					if (value.GetType ().IsEnum) {
						string [] flags = value.ToString ().Split (',');
						for (int k = 0; k < flags.Length; k++)
							flags [k] = value.GetType ().Name + "." + flags [k].Trim ();
						code = string.Join (" | ", flags);
					} else {
						code = value.ToString (); 
					}
					break;
				case TypeCode.Char:
					code = "'" + ((char) value).ToString () + "'"; break;
				case TypeCode.DateTime:
					code = "new System.DateTime (" + ((DateTime) value).Ticks + ")"; break;
				case TypeCode.DBNull:
					code = "System.DBNull.Value" ; break;
				case TypeCode.Object:
					code = null;
					if (value is Exception) {
						writer.WriteLine (tab + "try {");
						writer.WriteLine (tab + "\tobject zxf = {0}.{1};", showName, name);
						writer.WriteLine (tab + "\tTestHelper.RemoveWarning (zxf);");
						writer.WriteLine (tab + "\tAssert.Fail (\"Expected '{0}', but no exception was thrown.\", \"{1}\");", value.GetType ().FullName, message);
						writer.WriteLine (tab + "}} catch ({0} ex) {{", value.GetType ().Name);
						writer.WriteLine (tab + "\tAssert.AreEqual (@\"{0}\", ex.Message);", ((Exception) value).Message.Replace ("\"", "\"\""));
						writer.WriteLine (tab + "} catch (Exception ex) {");
						writer.WriteLine (tab + "\tAssert.Fail (\"Expected '{0}', got '\" + ex.GetType ().FullName + \"'.\", \"{1}\");", value.GetType ().FullName, message);
						writer.WriteLine (tab + "}");
					} else {
						if (maxrecursive > level) {
							DumpObject (value, ((MemberInfo)members [name]).DeclaringType, showName + "." + name, writer, tabs, prefix, done, maxrecursive, level + 1);
						} else {
							writer.WriteLine ("{0}Assert.IsNotNull ({1}.{2}, \"{3}\");", tab, showName, name, message);
						}
					}
					break;
				case TypeCode.String:
					code = "@\"" + ((string) value).Replace ("\"", "\"\"") + "\""; break;
				default:
					code = null; break;
				}
				if (code == null)
					continue;

				writer.WriteLine ("{0}Assert.AreEqual ({4}, {1}.{2}, \"{3}\");", tab, showName, name, message, code);
			}
		}
		
		public TestHelper()
		{
		}

		public static void RemoveWarning (params object [] param)
		{
			// Call this function with the unused variable as the parameter.
		}

		public static CreateParams GetCreateParams (Control control)
		{
			CreateParams cp = (CreateParams) control.GetType().GetProperty("CreateParams", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(control, null);
			return cp;
		}

		public static bool IsStyleSet (Control control, WindowStyles style) {
			CreateParams cp = GetCreateParams (control);
			return ((cp.Style & (int) style) == (int) style);
		}
		
		public static bool IsExStyleSet (Control control, WindowExStyles style) {
			CreateParams cp = GetCreateParams (control);
			return ((cp.ExStyle & (int) style) == (int) style);
		}

		public static bool RunningOnUnix {
			get {
				// check for Unix platforms - see FAQ for more details
				// http://www.mono-project.com/FAQ:_Technical#How_to_detect_the_execution_platform_.3F
				int platform = (int) Environment.OSVersion.Platform;
				return ((platform == 4) || (platform == 128));
			}
		}
	}
	
	[Flags]
	public enum WindowStyles : int {
		WS_OVERLAPPED		= 0x00000000,
		WS_POPUP		= unchecked((int)0x80000000),
		WS_CHILD		= 0x40000000,
		WS_MINIMIZE		= 0x20000000,
		WS_VISIBLE		= 0x10000000,
		WS_DISABLED		= 0x08000000,
		WS_CLIPSIBLINGS		= 0x04000000,
		WS_CLIPCHILDREN		= 0x02000000,
		WS_MAXIMIZE		= 0x01000000,
		WS_CAPTION		= 0x00C00000,
		WS_BORDER		= 0x00800000,
		WS_DLGFRAME		= 0x00400000,
		WS_VSCROLL		= 0x00200000,
		WS_HSCROLL		= 0x00100000,
		WS_SYSMENU		= 0x00080000,
		WS_THICKFRAME		= 0x00040000,
		WS_GROUP		= 0x00020000,
		WS_TABSTOP		= 0x00010000,
		WS_MINIMIZEBOX		= 0x00020000,
		WS_MAXIMIZEBOX		= 0x00010000,
		WS_TILED		= 0x00000000,
		WS_ICONIC		= 0x20000000,
		WS_SIZEBOX		= 0x00040000,
		WS_POPUPWINDOW		= unchecked((int)0x80880000),
		WS_OVERLAPPEDWINDOW	= WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
		WS_TILEDWINDOW		= WS_OVERLAPPEDWINDOW,
		WS_CHILDWINDOW		= WS_CHILD
	}

	[Flags]
	public enum WindowExStyles : int {
		// Extended Styles
		WS_EX_DLGMODALFRAME	= 0x00000001,
		WS_EX_DRAGDETECT	= 0x00000002,
		WS_EX_NOPARENTNOTIFY	= 0x00000004,
		WS_EX_TOPMOST		= 0x00000008,
		WS_EX_ACCEPTFILES	= 0x00000010,
		WS_EX_TRANSPARENT	= 0x00000020,

		WS_EX_MDICHILD		= 0x00000040,
		WS_EX_TOOLWINDOW	= 0x00000080,
		WS_EX_WINDOWEDGE	= 0x00000100,
		WS_EX_CLIENTEDGE	= 0x00000200,
		WS_EX_CONTEXTHELP	= 0x00000400,

		WS_EX_RIGHT		= 0x00001000,
		WS_EX_LEFT		= 0x00000000,
		WS_EX_RTLREADING	= 0x00002000,
		WS_EX_LTRREADING	= 0x00000000,
		WS_EX_LEFTSCROLLBAR	= 0x00004000,
		WS_EX_LAYERED		= 0x00080000,
		WS_EX_RIGHTSCROLLBAR	= 0x00000000,

		WS_EX_CONTROLPARENT	= 0x00010000,
		WS_EX_STATICEDGE	= 0x00020000,
		WS_EX_APPWINDOW		= 0x00040000,
		WS_EX_NOINHERITLAYOUT	= 0x00100000,
		WS_EX_LAYOUTRTL		= 0x00400000,
		WS_EX_COMPOSITED	= 0x02000000,
		WS_EX_NOACTIVATE	= 0x08000000,

		WS_EX_OVERLAPPEDWINDOW	= WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE,
		WS_EX_PALETTEWINDOW	= WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST
	}

	public enum Msg {
		WM_NULL                   = 0x0000,
		WM_CREATE                 = 0x0001,
		WM_DESTROY                = 0x0002,
		WM_MOVE                   = 0x0003,
		WM_SIZE                   = 0x0005,
		WM_ACTIVATE               = 0x0006,
		WM_SETFOCUS               = 0x0007,
		WM_KILLFOCUS              = 0x0008,
		//              public const uint WM_SETVISIBLE           = 0x0009;
		WM_ENABLE                 = 0x000A,
		WM_SETREDRAW              = 0x000B,
		WM_SETTEXT                = 0x000C,
		WM_GETTEXT                = 0x000D,
		WM_GETTEXTLENGTH          = 0x000E,
		WM_PAINT                  = 0x000F,
		WM_CLOSE                  = 0x0010,
		WM_QUERYENDSESSION        = 0x0011,
		WM_QUIT                   = 0x0012,
		WM_QUERYOPEN              = 0x0013,
		WM_ERASEBKGND             = 0x0014,
		WM_SYSCOLORCHANGE         = 0x0015,
		WM_ENDSESSION             = 0x0016,
		//              public const uint WM_SYSTEMERROR          = 0x0017;
		WM_SHOWWINDOW             = 0x0018,
		WM_CTLCOLOR               = 0x0019,
		WM_WININICHANGE           = 0x001A,
		WM_SETTINGCHANGE          = 0x001A,
		WM_DEVMODECHANGE          = 0x001B,
		WM_ACTIVATEAPP            = 0x001C,
		WM_FONTCHANGE             = 0x001D,
		WM_TIMECHANGE             = 0x001E,
		WM_CANCELMODE             = 0x001F,
		WM_SETCURSOR              = 0x0020,
		WM_MOUSEACTIVATE          = 0x0021,
		WM_CHILDACTIVATE          = 0x0022,
		WM_QUEUESYNC              = 0x0023,
		WM_GETMINMAXINFO          = 0x0024,
		WM_PAINTICON              = 0x0026,
		WM_ICONERASEBKGND         = 0x0027,
		WM_NEXTDLGCTL             = 0x0028,
		//              public const uint WM_ALTTABACTIVE         = 0x0029;
		WM_SPOOLERSTATUS          = 0x002A,
		WM_DRAWITEM               = 0x002B,
		WM_MEASUREITEM            = 0x002C,
		WM_DELETEITEM             = 0x002D,
		WM_VKEYTOITEM             = 0x002E,
		WM_CHARTOITEM             = 0x002F,
		WM_SETFONT                = 0x0030,
		WM_GETFONT                = 0x0031,
		WM_SETHOTKEY              = 0x0032,
		WM_GETHOTKEY              = 0x0033,
		//              public const uint WM_FILESYSCHANGE        = 0x0034;
		//              public const uint WM_ISACTIVEICON         = 0x0035;
		//              public const uint WM_QUERYPARKICON        = 0x0036;
		WM_QUERYDRAGICON          = 0x0037,
		WM_COMPAREITEM            = 0x0039,
		//              public const uint WM_TESTING              = 0x003a;
		//              public const uint WM_OTHERWINDOWCREATED = 0x003c;
		WM_GETOBJECT              = 0x003D,
		//                      public const uint WM_ACTIVATESHELLWINDOW        = 0x003e;
		WM_COMPACTING             = 0x0041,
		WM_COMMNOTIFY             = 0x0044 ,
		WM_WINDOWPOSCHANGING      = 0x0046,
		WM_WINDOWPOSCHANGED       = 0x0047,
		WM_POWER                  = 0x0048,
		WM_COPYDATA               = 0x004A,
		WM_CANCELJOURNAL          = 0x004B,
		WM_NOTIFY                 = 0x004E,
		WM_INPUTLANGCHANGEREQUEST = 0x0050,
		WM_INPUTLANGCHANGE        = 0x0051,
		WM_TCARD                  = 0x0052,
		WM_HELP                   = 0x0053,
		WM_USERCHANGED            = 0x0054,
		WM_NOTIFYFORMAT           = 0x0055,
		WM_CONTEXTMENU            = 0x007B,
		WM_STYLECHANGING          = 0x007C,
		WM_STYLECHANGED           = 0x007D,
		WM_DISPLAYCHANGE          = 0x007E,
		WM_GETICON                = 0x007F,

		// Non-Client messages
		WM_SETICON                = 0x0080,
		WM_NCCREATE               = 0x0081,
		WM_NCDESTROY              = 0x0082,
		WM_NCCALCSIZE             = 0x0083,
		WM_NCHITTEST              = 0x0084,
		WM_NCPAINT                = 0x0085,
		WM_NCACTIVATE             = 0x0086,
		WM_GETDLGCODE             = 0x0087,
		WM_SYNCPAINT              = 0x0088,
		//              public const uint WM_SYNCTASK       = 0x0089;
		WM_NCMOUSEMOVE            = 0x00A0,
		WM_NCLBUTTONDOWN          = 0x00A1,
		WM_NCLBUTTONUP            = 0x00A2,
		WM_NCLBUTTONDBLCLK        = 0x00A3,
		WM_NCRBUTTONDOWN          = 0x00A4,
		WM_NCRBUTTONUP            = 0x00A5,
		WM_NCRBUTTONDBLCLK        = 0x00A6,
		WM_NCMBUTTONDOWN          = 0x00A7,
		WM_NCMBUTTONUP            = 0x00A8,
		WM_NCMBUTTONDBLCLK        = 0x00A9,
		//              public const uint WM_NCXBUTTONDOWN    = 0x00ab;
		//              public const uint WM_NCXBUTTONUP      = 0x00ac;
		//              public const uint WM_NCXBUTTONDBLCLK  = 0x00ad;
		WM_KEYDOWN                = 0x0100,
		WM_KEYFIRST               = 0x0100,
		WM_KEYUP                  = 0x0101,
		WM_CHAR                   = 0x0102,
		WM_DEADCHAR               = 0x0103,
		WM_SYSKEYDOWN             = 0x0104,
		WM_SYSKEYUP               = 0x0105,
		WM_SYSCHAR                = 0x0106,
		WM_SYSDEADCHAR            = 0x0107,
		WM_KEYLAST                = 0x0108,
		WM_IME_STARTCOMPOSITION   = 0x010D,
		WM_IME_ENDCOMPOSITION     = 0x010E,
		WM_IME_COMPOSITION        = 0x010F,
		WM_IME_KEYLAST            = 0x010F,
		WM_INITDIALOG             = 0x0110,
		WM_COMMAND                = 0x0111,
		WM_SYSCOMMAND             = 0x0112,
		WM_TIMER                  = 0x0113,
		WM_HSCROLL                = 0x0114,
		WM_VSCROLL                = 0x0115,
		WM_INITMENU               = 0x0116,
		WM_INITMENUPOPUP          = 0x0117,
		//              public const uint WM_SYSTIMER       = 0x0118;
		WM_MENUSELECT             = 0x011F,
		WM_MENUCHAR               = 0x0120,
		WM_ENTERIDLE              = 0x0121,
		WM_MENURBUTTONUP          = 0x0122,
		WM_MENUDRAG               = 0x0123,
		WM_MENUGETOBJECT          = 0x0124,
		WM_UNINITMENUPOPUP        = 0x0125,
		WM_MENUCOMMAND            = 0x0126,
		//              public const uint WM_CHANGEUISTATE    = 0x0127;
		//              public const uint WM_UPDATEUISTATE    = 0x0128;
		//              public const uint WM_QUERYUISTATE     = 0x0129;

		//              public const uint WM_LBTRACKPOINT     = 0x0131;
		WM_CTLCOLORMSGBOX         = 0x0132,
		WM_CTLCOLOREDIT           = 0x0133,
		WM_CTLCOLORLISTBOX        = 0x0134,
		WM_CTLCOLORBTN            = 0x0135,
		WM_CTLCOLORDLG            = 0x0136,
		WM_CTLCOLORSCROLLBAR      = 0x0137,
		WM_CTLCOLORSTATIC         = 0x0138,
		WM_MOUSEMOVE              = 0x0200,
		WM_MOUSEFIRST                     = 0x0200,
		WM_LBUTTONDOWN            = 0x0201,
		WM_LBUTTONUP              = 0x0202,
		WM_LBUTTONDBLCLK          = 0x0203,
		WM_RBUTTONDOWN            = 0x0204,
		WM_RBUTTONUP              = 0x0205,
		WM_RBUTTONDBLCLK          = 0x0206,
		WM_MBUTTONDOWN            = 0x0207,
		WM_MBUTTONUP              = 0x0208,
		WM_MBUTTONDBLCLK          = 0x0209,
		WM_MOUSEWHEEL             = 0x020A,
		WM_MOUSELAST             = 0x020D,
		//              public const uint WM_XBUTTONDOWN      = 0x020B;
		//              public const uint WM_XBUTTONUP        = 0x020C;
		//              public const uint WM_XBUTTONDBLCLK    = 0x020D;
		WM_PARENTNOTIFY           = 0x0210,
		WM_ENTERMENULOOP          = 0x0211,
		WM_EXITMENULOOP           = 0x0212,
		WM_NEXTMENU               = 0x0213,
		WM_SIZING                 = 0x0214,
		WM_CAPTURECHANGED         = 0x0215,
		WM_MOVING                 = 0x0216,
		//              public const uint WM_POWERBROADCAST   = 0x0218;
		WM_DEVICECHANGE           = 0x0219,
		WM_MDICREATE              = 0x0220,
		WM_MDIDESTROY             = 0x0221,
		WM_MDIACTIVATE            = 0x0222,
		WM_MDIRESTORE             = 0x0223,
		WM_MDINEXT                = 0x0224,
		WM_MDIMAXIMIZE            = 0x0225,
		WM_MDITILE                = 0x0226,
		WM_MDICASCADE             = 0x0227,
		WM_MDIICONARRANGE         = 0x0228,
		WM_MDIGETACTIVE           = 0x0229,
		/* D&D messages */
		//              public const uint WM_DROPOBJECT     = 0x022A;
		//              public const uint WM_QUERYDROPOBJECT  = 0x022B;
		//              public const uint WM_BEGINDRAG      = 0x022C;
		//              public const uint WM_DRAGLOOP       = 0x022D;
		//              public const uint WM_DRAGSELECT     = 0x022E;
		//              public const uint WM_DRAGMOVE       = 0x022F;
		WM_MDISETMENU             = 0x0230,
		WM_ENTERSIZEMOVE          = 0x0231,
		WM_EXITSIZEMOVE           = 0x0232,
		WM_DROPFILES              = 0x0233,
		WM_MDIREFRESHMENU         = 0x0234,
		WM_IME_SETCONTEXT         = 0x0281,
		WM_IME_NOTIFY             = 0x0282,
		WM_IME_CONTROL            = 0x0283,
		WM_IME_COMPOSITIONFULL    = 0x0284,
		WM_IME_SELECT             = 0x0285,
		WM_IME_CHAR               = 0x0286,
		WM_IME_REQUEST            = 0x0288,
		WM_IME_KEYDOWN            = 0x0290,
		WM_IME_KEYUP              = 0x0291,
		WM_NCMOUSEHOVER           = 0x02A0,
		WM_MOUSEHOVER             = 0x02A1,
		WM_NCMOUSELEAVE           = 0x02A2,
		WM_MOUSELEAVE             = 0x02A3,
		WM_CUT                    = 0x0300,
		WM_COPY                   = 0x0301,
		WM_PASTE                  = 0x0302,
		WM_CLEAR                  = 0x0303,
		WM_UNDO                   = 0x0304,
		WM_RENDERFORMAT           = 0x0305,
		WM_RENDERALLFORMATS       = 0x0306,
		WM_DESTROYCLIPBOARD       = 0x0307,
		WM_DRAWCLIPBOARD          = 0x0308,
		WM_PAINTCLIPBOARD         = 0x0309,
		WM_VSCROLLCLIPBOARD       = 0x030A,
		WM_SIZECLIPBOARD          = 0x030B,
		WM_ASKCBFORMATNAME        = 0x030C,
		WM_CHANGECBCHAIN          = 0x030D,
		WM_HSCROLLCLIPBOARD       = 0x030E,
		WM_QUERYNEWPALETTE        = 0x030F,
		WM_PALETTEISCHANGING      = 0x0310,
		WM_PALETTECHANGED         = 0x0311,
		WM_HOTKEY                 = 0x0312,
		WM_PRINT                  = 0x0317,
		WM_PRINTCLIENT            = 0x0318,
		WM_HANDHELDFIRST          = 0x0358,
		WM_HANDHELDLAST           = 0x035F,
		WM_AFXFIRST               = 0x0360,
		WM_AFXLAST                = 0x037F,
		WM_PENWINFIRST            = 0x0380,
		WM_PENWINLAST             = 0x038F,
		WM_APP                    = 0x8000,
		WM_USER                   = 0x0400,

		// Our "private" ones
		WM_MOUSE_ENTER            = 0x0401,
		WM_ASYNC_MESSAGE          = 0x0403,
		WM_REFLECT                = WM_USER + 0x1c00,
		WM_CLOSE_INTERNAL         = WM_USER + 0x1c01
	}
}