public void TestColculateBusinessDaysFunc()
{
ReportModel model = new ReportModel(controller);
DateTime start = new DateTime(2018, 04, 19);
DateTime end = new DateTime(2018, 04, 26);
Assert.AreEqual(6, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 04, 20);
end = new DateTime(2018, 04, 25);
Assert.AreEqual(4, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 04, 21);
end = new DateTime(2018, 04, 25);
Assert.AreEqual(4, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 03, 1);
end = new DateTime(2018, 03, 31);
Assert.AreEqual(21, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 2, 1);
end = new DateTime(2018, 2, 28);
Assert.AreEqual(20, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 1, 1);
end = new DateTime(2018, 1, 31);
Assert.AreEqual(23, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 1, 6);
end = new DateTime(2018, 1,6);
Assert.AreEqual(0, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 1, 6);
end = new DateTime(2018, 1, 13);
Assert.AreEqual(5, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 1, 5);
end = new DateTime(2018, 1, 6);
Assert.AreEqual(0, model.ColculateBusinessDays(end, start));
start = new DateTime(2018, 1, 17);
end = new DateTime(2018, 1, 31);
Assert.AreEqual(11, model.ColculateBusinessDays(end, start));
}