public static void GetHashCode___Should_not_be_equal_for_two_UnitOfKind_objects___When_they_are_of_different_kinds_but_have_the_same_granularity_and_same_property_values()
        {
            // Arrange
            var calendarUnbounded = A.Dummy <CalendarUnbounded>();
            var fiscalUnbounded   = new FiscalUnbounded();
            var genericUnbounded  = new GenericUnbounded();

            var calendarYear = A.Dummy <CalendarYear>();
            var fiscalYear   = new FiscalYear(calendarYear.Year);
            var genericYear  = new GenericYear(calendarYear.Year);

            var calendarQuarter = A.Dummy <CalendarQuarter>();
            var fiscalQuarter   = new FiscalQuarter(calendarQuarter.Year, calendarQuarter.QuarterNumber);
            var genericQuarter  = new GenericQuarter(calendarQuarter.Year, calendarQuarter.QuarterNumber);

            var calendarMonth = A.Dummy <CalendarMonth>();
            var fiscalMonth   = new FiscalMonth(calendarMonth.Year, calendarMonth.MonthNumber);
            var genericMonth  = new GenericMonth(calendarMonth.Year, calendarMonth.MonthNumber);

            // Act
            var calendarUnboundedHashCode = calendarUnbounded.GetHashCode();
            var fiscalUnboundedHashCode   = fiscalUnbounded.GetHashCode();
            var genericUnboundedHashCode  = genericUnbounded.GetHashCode();

            var calendarYearHashCode = calendarYear.GetHashCode();
            var fiscalYearHashCode   = fiscalYear.GetHashCode();
            var genericYearHashCode  = genericYear.GetHashCode();

            var calendarQuarterHashCode = calendarQuarter.GetHashCode();
            var fiscalQuarterHashCode   = fiscalQuarter.GetHashCode();
            var genericQuarterHashCode  = genericQuarter.GetHashCode();

            var calendarMonthHashCode = calendarMonth.GetHashCode();
            var fiscalMonthHashCode   = fiscalMonth.GetHashCode();
            var genericMonthHashCode  = genericMonth.GetHashCode();

            // Assert
            calendarUnboundedHashCode.Should().NotBe(fiscalUnboundedHashCode);
            calendarUnboundedHashCode.Should().NotBe(genericUnboundedHashCode);
            fiscalUnboundedHashCode.Should().NotBe(genericUnboundedHashCode);

            calendarYearHashCode.Should().NotBe(fiscalYearHashCode);
            calendarYearHashCode.Should().NotBe(genericYearHashCode);
            fiscalYearHashCode.Should().NotBe(genericYearHashCode);

            calendarQuarterHashCode.Should().NotBe(fiscalQuarterHashCode);
            calendarQuarterHashCode.Should().NotBe(genericQuarterHashCode);
            fiscalQuarterHashCode.Should().NotBe(genericQuarterHashCode);

            calendarMonthHashCode.Should().NotBe(fiscalMonthHashCode);
            calendarMonthHashCode.Should().NotBe(genericMonthHashCode);
            fiscalMonthHashCode.Should().NotBe(genericMonthHashCode);
        }
        public static void GetHashCode___Should_be_equal_for_two_FiscalQuarters___When_both_objects_have_the_same_property_values()
        {
            // Arrange
            var systemUnderTest1 = A.Dummy <FiscalQuarter>();
            var systemUnderTest2 = new FiscalQuarter(systemUnderTest1.Year, systemUnderTest1.QuarterNumber);

            // Act
            var hash1 = systemUnderTest1.GetHashCode();
            var hash2 = systemUnderTest2.GetHashCode();

            // Assert
            hash1.Should().Be(hash2);
        }