StringFast - test

    private StringFast m_strCustom = new StringFast( 64 );
    private System.Text.StringBuilder m_strBuilder = new System.Text.StringBuilder( 64 );
    private delegate string Test();

    private string String_Added()
    {
        string str = "PI=" + Mathf.PI + "_373=" + 373;
        return str.Replace( "373", "5428" );
    }
    private string String_Concat()
    {
        return string.Concat( "PI=", Mathf.PI, "_373=", 373 ).Replace( "373", "5428" );
    }
    private string StringBuilder()
    {
        m_strBuilder.Length = 0;
        m_strBuilder.Append( "PI=" ).Append( Mathf.PI ).Append( "_373=" ).Append( 373 ).Replace( "373", "5428" );
        return m_strBuilder.ToString();
    }
    private string CustomCString()
    {
        m_strCustom.Clear();
        m_strCustom.Append( "PI=" ).Append( Mathf.PI ).Append( "_373=" ).Append( 373 ).Replace( "373", "5428" );
        return m_strCustom.ToString();
    }
    private void RunTest( string testName, Test test )
    {
        Profiler.BeginSample( testName );
        string lastResult = null;
        for( int i=0; i<1000; i++ )
            lastResult = test();
        Profiler.EndSample();
        //Debug.Log( "Check test result: test=" + testName + " result='" + lastResult + "' (" + lastResult.Length + ")" );
    }

    private void RunTests()
    {
        Debug.Log( "=================" );
        RunTest( "Test #1: string (+)       ", String_Added );
        RunTest( "Test #2: string (.concat) ", String_Concat );
        RunTest( "Test #3: StringBuilder    ", StringBuilder );
        RunTest( "Test #4: custom StringFast", CustomCString );
    }