if VS switch - a total war

gistfile1.txt

public class SwitchStuff
{

  [Benchmark]
  [Arguments("ThisIsCase1")]
  [Arguments("ThisIsCase2")]
  [Arguments("ThisIsCase3")]
  [Arguments("ThisIsCase4")]
  [Arguments("ThisIsCase5")]
  public string ProcessSwitchWithString(string matchCase)
  {

    switch (matchCase)
    {
      case "ThisIsCase1":
        return "case1";

      case "ThisIsCase2":
        return "case2";

      case "ThisIsCase3":
        return "case3";

      case "ThisIsCase4":
        return "case4";

      case "ThisIsCase5":
        return "case5";
    }

    return string.Empty;
  }
}
public class IfStuff
{
  [Benchmark]
  [Arguments("ThisIsCase1")]
  [Arguments("ThisIsCase2")]
  [Arguments("ThisIsCase3")]
  [Arguments("ThisIsCase4")]
  [Arguments("ThisIsCase5")]
  public string ProcessIfWithString(string matchCase)
  {

    if (matchCase == "ThisIsCase1")
    {
      return "case1";
    }
    else if (matchCase == "ThisIsCase2")
    {
      return "case2";
    }
    else if (matchCase == "ThisIsCase3")
    {
      return "case3";
    }
    else if (matchCase == "ThisIsCase4")
    {
      return "case4";
    }
    else if (matchCase == "ThisIsCase5")
    {
      return "case5";
    }

    return string.Empty;
  }

}