// Copyright (c) Microsoft Corporation.

// Licensed under the MIT license.

using System;

using System.Diagnostics;

namespace SQLBench

{

class myStringConcat

{

//

// Written by the Microsoft CSS SQL Networking Team

//

// Performs a string concatenation benchmark - tests CPU and Memory performance

//

string mystring;

public myStringConcat()

{

mystring = "";

}

public String MyConcatination()

{

Stopwatch mytimer = new Stopwatch();

try

{

mytimer.Start();

for (int a = 0; a < 20000; a++)

{

if (mystring.Length <= 2000)

{

if (((uint)a & 1) <= 0U)

mystring += "CCCCCCCCCCCCCCCCCCCCCC";

else

mystring += "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";

}

else

mystring = "";

}

mytimer.Stop();

}

catch (Exception message) { return message.Message; }

TimeSpan Totaltime = mytimer.Elapsed;

return Convert.ToString(20000/ Totaltime.TotalMilliseconds);

}

}

}