129 lines
2.8 KiB
C#
129 lines
2.8 KiB
C#
// ****************************************************************
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// This is free software licensed under the NUnit license. You
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// may obtain a copy of the license as well as information regarding
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// copyright ownership at http://nunit.org/?p=license&r=2.4.
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// ****************************************************************
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using System.IO;
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using System.Text;
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namespace NUnit.Core
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{
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// TODO: This class is not currently being used. Review to
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// see if we will use it again, otherwise drop it.
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#region StringTextWriter
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/// <summary>
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/// Use this wrapper to ensure that only strings get passed accross the AppDomain
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/// boundary. Otherwise tests will break when non-remotable objects are passed to
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/// Console.Write/WriteLine.
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/// </summary>
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public class StringTextWriter : TextWriter
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{
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public StringTextWriter( TextWriter aTextWriter )
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{
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theTextWriter = aTextWriter;
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}
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protected TextWriter theTextWriter;
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override public void Write(char aChar)
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{
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theTextWriter.Write(aChar);
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}
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override public void Write(string aString)
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{
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theTextWriter.Write(aString);
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}
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override public void WriteLine(string aString)
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{
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theTextWriter.WriteLine(aString);
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}
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override public System.Text.Encoding Encoding
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{
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get { return theTextWriter.Encoding; }
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}
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public override void Close()
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{
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this.Flush();
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theTextWriter.Close ();
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}
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public override void Flush()
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{
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theTextWriter.Flush ();
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}
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}
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#endregion
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#region BufferedStringTextWriter
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/// <summary>
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/// This wrapper derives from StringTextWriter and adds buffering
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/// to improve cross-domain performance. The buffer is flushed whenever
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/// it reaches or exceeds a maximum size or when Flush is called.
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/// </summary>
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public class BufferedStringTextWriter : StringTextWriter
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{
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public BufferedStringTextWriter( TextWriter aTextWriter ) : base( aTextWriter ){ }
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private static readonly int MAX_BUFFER = 1000;
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private StringBuilder sb = new StringBuilder( MAX_BUFFER );
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override public void Write(char aChar)
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{
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lock( sb )
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{
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sb.Append( aChar );
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this.CheckBuffer();
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}
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}
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override public void Write(string aString)
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{
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lock( sb )
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{
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sb.Append( aString );
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this.CheckBuffer();
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}
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}
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override public void WriteLine(string aString)
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{
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lock( sb )
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{
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sb.Append( aString );
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sb.Append( '\n' );
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this.CheckBuffer();
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}
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}
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override public void Flush()
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{
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if ( sb.Length > 0 )
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{
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lock( sb )
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{
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theTextWriter.Write( sb.ToString() );
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sb.Length = 0;
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}
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}
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theTextWriter.Flush();
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}
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private void CheckBuffer()
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{
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if ( sb.Length >= MAX_BUFFER )
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this.Flush();
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}
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}
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#endregion
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}
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