public void AddQuarterTest()
{
this.RunActionOverQuarterDateRanges(
(quarter, quarterStartDate, quarterEndDate, date) =>
{
Assert.AreEqual((quarter % 4) + 1, DateTimeUtils.AddQuarters(date, 1).Quarter());
Assert.AreEqual(((quarter + 1) % 4) + 1, DateTimeUtils.AddQuarters(date, 2).Quarter());
Assert.AreEqual(((quarter + 2) % 4) + 1, DateTimeUtils.AddQuarters(date, 3).Quarter());
Assert.AreEqual(((quarter + 3) % 4) + 1, DateTimeUtils.AddQuarters(date, 4).Quarter());
});
}
