Merge pull request #2799 from BrzVlad/fix-conc-card-clean

[mono.git] / mcs / class / corlib / System.IO / FileInfo.cs

diff --git a/mcs/class/corlib/System.IO/FileInfo.cs b/mcs/class/corlib/System.IO/FileInfo.cs
index cad54a4d553f71ff2141c8227c880d16332a2add..69e1f32ffdd74bcf0f4b446b145468b9301769b1 100644 (file)
--- a/mcs/class/corlib/System.IO/FileInfo.cs
+++ b/mcs/class/corlib/System.IO/FileInfo.cs
@@ -48,6 +48,7 @@ namespace System.IO {
        public sealed class FileInfo : FileSystemInfo
        {
                private bool exists;
+               private string displayPath;
 
                public FileInfo (string fileName)
                {
@@ -59,11 +60,14 @@ namespace System.IO {
 
                        OriginalPath = fileName;
                        FullPath = Path.GetFullPath (fileName);
+                       
+                       displayPath = OriginalPath;
                }
 
                private FileInfo (SerializationInfo info, StreamingContext context)
                        : base (info, context)
                {
+                       displayPath = OriginalPath;
                }
 
                internal override void InternalRefresh ()
@@ -230,13 +234,19 @@ namespace System.IO {
                {
                        if (destFileName == null)
                                throw new ArgumentNullException ("destFileName");
-                       if (destFileName == Name || destFileName == FullName)
+                       if (destFileName.Length == 0)
+                               throw new ArgumentException ("An empty file name is not valid.", "destFileName");
+
+                       var destFullPath = Path.GetFullPath (destFileName);
+                       if (destFullPath == FullPath)
                                return;
                        if (!File.Exists (FullPath))
                                throw new FileNotFoundException ();
 
-                       File.Move (FullPath, destFileName);
-                       this.FullPath = Path.GetFullPath (destFileName);
+                       File.Move (FullPath, destFullPath);
+                       this.FullPath = destFullPath;
+
+                       displayPath = destFileName;
                }
 
                public FileInfo CopyTo (string destFileName)
@@ -263,7 +273,7 @@ namespace System.IO {
 
                public override string ToString ()
                {
-                       return OriginalPath;
+                       return displayPath;
                }
 
 #if !MOBILE