Imported Upstream version 5.18.0.142

Former-commit-id: 7467d4b717762eeaf652d77f1486dd11ffb1ff1f

mcs/class/corlib/System.IO/DriveInfo.cs

@@ -140,10 +140,9 @@ namespace System.IO {
 			}
 		}
 
-		[MonoTODO("It always returns true")]
 		public bool IsReady {
 			get {
-				return true;
+				return Directory.Exists (Name);
 			}
 		}
 		

mcs/class/corlib/System.IO/FileAttributes.cs

@@ -1,66 +0,0 @@
-//------------------------------------------------------------------------------
-// 
-// System.IO.FileAttributes.cs 
-//
-// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
-// 
-// Author:         Jim Richardson, develop@wtfo-guru.com
-// Created:        Monday, August 13, 2001 
-//
-//------------------------------------------------------------------------------
-
-//
-// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-// 
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-
-using System.Runtime.InteropServices;
-
-namespace System.IO
-{
-	[Flags]
-	[Serializable]
-	[ComVisible (true)]
-	public enum FileAttributes
-	{
-		Archive = 0x00020,
-		Compressed = 0x00800, 
-		Device = 0x00040, // Reserved for future use (NOT the w32 value). 
-		Directory = 0x00010,
-		Encrypted = 0x04000, // NOT the w32 value
-		Hidden = 0x00002,
-		Normal = 0x00080,
-		NotContentIndexed = 0x02000,
-		Offline = 0x01000,
-		ReadOnly = 0x00001,
-		ReparsePoint = 0x00400,
-		SparseFile = 0x00200,
-		System = 0x00004,
-		Temporary = 0x00100,
-		IntegrityStream = 0x8000,
-		NoScrubData = 0x20000,
-		//
-		// This flag is used internall by Mono to make it Executable
-		//
-		// Executable = 0x80000000
-	}
-
-}