public void Should_have_data_types()
 {
     IDataType dt = new DataTypeString();
       Assert.AreEqual(DATA_TYPE.STRING, dt.DataType);
       dt = new DataTypeNumeric();
       Assert.AreEqual(DATA_TYPE.NUMERIC, dt.DataType);
 }
 public void Should_store_default_value_for_numeric()
 {
     IDataType str = new DataTypeNumeric();
       Assert.AreEqual("0", str.Value);
       str.Value ="10";
       Assert.AreEqual("10", str.Value);
 }
 public DataTypeValidationTest()
 {
     str = new DataTypeString();
       str.Value = "value";
       num = new DataTypeNumeric();
       num.Value = "4,12";
 }