[Mono-bugs] [Bug 610416] New: ArgumentException when calling Encoding.GetString (UTF8)

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=610416

http://bugzilla.novell.com/show_bug.cgi?id=610416#c0


           Summary: ArgumentException when calling Encoding.GetString
                    (UTF8)
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.4.x
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: System
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: benjamin.klueglein at googlemail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=365893)
 --> (http://bugzilla.novell.com/attachment.cgi?id=365893)
The file which contains the bytes I passed to Encoding.GetString

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.3)
Gecko/20100423 Ubuntu/10.04 (lucid) Firefox/3.6.3

An argument exception occurs when a big byte array (in my case red from a odt
document) is given to Encoding.GetString (Utf8 encoding)
Testing the same thing under MS.NET doesn't fail.

Reproducible: Always

Steps to Reproduce:
1. Use this small program:
using System;
using System.IO;
using System.Text;

namespace EncodingTest
{
    class MainClass
    {
        public static void Main (string[] args)
        {
            var bytes = File.ReadAllBytes ("use_cases.odt");
            var encoding = Encoding.UTF8;

            Console.WriteLine (encoding.GetString (bytes));
        }
    }
}
2. Compile it and put the attached odt file in the same dir as the exe file
3. Run the program from where the exe lies.
Actual Results:  
This exception:
Unhandled Exception: System.ArgumentException: Arg_InsufficientSpace
Parameter name: chars
  at System.Text.UTF8Encoding.InternalGetChars (System.Byte* bytes, Int32
byteCount, System.Char* chars, Int32 charCount, System.UInt32& leftOverBits,
System.UInt32& leftOverCount, System.Object provider,
System.Text.DecoderFallbackBuffer& fallbackBuffer, System.Byte[]& bufferArg,
Boolean flush) [0x00000] 
  at System.Text.UTF8Encoding.InternalGetChars (System.Byte[] bytes, Int32
byteIndex, Int32 byteCount, System.Char[] chars, Int32 charIndex,
System.UInt32& leftOverBits, System.UInt32& leftOverCount, System.Object
provider, System.Text.DecoderFallbackBuffer& fallbackBuffer, System.Byte[]&
bufferArg, Boolean flush) [0x00000] 
  at System.Text.UTF8Encoding.GetChars (System.Byte[] bytes, Int32 byteIndex,
Int32 byteCount, System.Char[] chars, Int32 charIndex) [0x00000] 
  at System.Text.Encoding.GetChars (System.Byte[] bytes, Int32 index, Int32
count) [0x00000] 
  at System.Text.Encoding.GetString (System.Byte[] bytes, Int32 index, Int32
count) [0x00000] 
  at System.Text.UTF8Encoding.GetString (System.Byte[] bytes, Int32 index,
Int32 count) [0x00000] 
  at System.Text.Encoding.GetString (System.Byte[] bytes) [0x00000] 
  at EncodingTest.MainClass.Main (System.String[] args) [0x00000] 


Expected Results:  
A string should be returned (printed with the example program)

Mono JIT compiler version 2.4.4 (Debian 2.4.4~svn151842-1ubuntu4)
Copyright (C) 2002-2010 Novell, Inc and Contributors. www.mono-project.com
        TLS:           __thread
        GC:            Included Boehm (with typed GC)
        SIGSEGV:       altstack
        Notifications: epoll
        Architecture:  x86
        Disabled:      none

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