public void FileSpecification_GetHashCode_1()
        {
            FileSpecification first = new FileSpecification
                                      (
                IrbisPath.MasterFile,
                "IBIS",
                "brief.pft"
                                      );
            FileSpecification second = new FileSpecification
                                       (
                IrbisPath.MasterFile,
                "IBIS",
                "BRIEF.pft"
                                       );

            Assert.AreNotEqual
            (
                first.GetHashCode(),
                second.GetHashCode()
            );
        }