+// need this to be able to use CPPUNIT_ASSERT_EQUAL with wxDateSpan objects
+inline std::ostream& operator<<(std::ostream& ostr, const wxDateSpan& span)
+{
+ ostr << span.GetYears() << "Y, "
+ << span.GetMonths() << "M, "
+ << span.GetWeeks() << "W, "
+ << span.GetDays() << "D";
+
+ return ostr;
+}
+