anchor.diff:  
       property propBoolean: Boolean read write;
       property propDate: DateTime read write;
  +    property propDouble: Double read write;
       property propString: String read write;
   
       method writeString(s: String);
  
positive.code: end;
  
  
  constructor ScriptTestConsole();
  begin
    self.fStringBuffer := new StringBuilder();
  
negative.code:     [InlineData("undefined",  false)]
      [InlineData("Number.NaN", false)]
      method JsObjectsAreconvertedToBooleanProperly(script: String;  expectedResult: Boolean);
  
      [Fact]
      method NullToDouble_Equals_0();
  
      [Fact]
      method UndefinedToDouble_Equals_NaN();
  
      [Fact]
      method Double_valueOf_DoesntFail();
    end;
  
  
  