public void ToDelimitedString_WithAllProperties_ReturnsCorrectlySequencedFields() { ISegment hl7Segment = new QpdSegment { MessageQueryName = new CodedWithExceptions { Identifier = "1" }, QueryTag = "2", UserParametersInSuccessiveFields = "3" }; string expected = "QPD|1|2|3"; string actual = hl7Segment.ToDelimitedString(); Assert.Equal(expected, actual); }