internal class Program
    {
        static void Main(string[] args)
        {
            BenchmarkRunner.Run<Benchmarks>();
        }
    }

    [Config(typeof(CustomConfig))]
    public class Benchmarks
    {
        [Benchmark]
        public void Benchmark01()
        {
#if TEST1 && TEST2
            // DefineConstants symbols are defined as expected.
#else
            throw new Exception("DefineConstants value is unexpected value!");
#endif
        }

        public class CustomConfig : ManualConfig
        {
            public CustomConfig()
            {
                AddLogger(ConsoleLogger.Default);

                AddColumnProvider(DefaultConfig.Instance.GetColumnProviders().ToArray());
              
                AddJob(Job.ShortRun
                    .WithStrategy(RunStrategy.Monitoring)
                    .WithArguments(
                    [
                       // new MsBuildArgument("/p:DefineConstants=TEST1;TEST2"),     // Error: MSBUILD : error MSB1006: Property is not valid.
                       // new MsBuildArgument("/p:DefineConstants=\"TEST1;TEST2\""), // Double quote does not works.
                       new MsBuildArgument("/p:DefineConstants=TEST1%3BTEST2"),      // It works when using MSBuild special character
                    ])
                    .WithId("CustomJob"));

                WithOption(ConfigOptions.KeepBenchmarkFiles, true); // Use this settings for output to JobId folder
            }
        }
    }