public void DataTypes_DateHelpers_weekOfyear()
{
Assert.AreEqual(1, TimexDateHelpers.WeekOfYear(new System.DateTime(2017, 1, 1)));
Assert.AreEqual(2, TimexDateHelpers.WeekOfYear(new System.DateTime(2017, 1, 2)));
Assert.AreEqual(9, TimexDateHelpers.WeekOfYear(new System.DateTime(2017, 2, 23)));
Assert.AreEqual(12, TimexDateHelpers.WeekOfYear(new System.DateTime(2017, 3, 15)));
Assert.AreEqual(40, TimexDateHelpers.WeekOfYear(new System.DateTime(2017, 9, 25)));
Assert.AreEqual(53, TimexDateHelpers.WeekOfYear(new System.DateTime(2017, 12, 31)));
Assert.AreEqual(1, TimexDateHelpers.WeekOfYear(new System.DateTime(2018, 1, 1)));
Assert.AreEqual(1, TimexDateHelpers.WeekOfYear(new System.DateTime(2018, 1, 2)));
Assert.AreEqual(1, TimexDateHelpers.WeekOfYear(new System.DateTime(2018, 1, 7)));
Assert.AreEqual(2, TimexDateHelpers.WeekOfYear(new System.DateTime(2018, 1, 8)));
}
public void DataTypes_DateHelpers_invariance()
{
var d = new System.DateTime(2017, 8, 25);
var before = d;
TimexDateHelpers.Tomorrow(d);
TimexDateHelpers.Yesterday(d);
TimexDateHelpers.DatePartEquals(new System.DateTime(), d);
TimexDateHelpers.DatePartEquals(d, new System.DateTime());
TimexDateHelpers.IsNextWeek(d, new System.DateTime());
TimexDateHelpers.IsNextWeek(new System.DateTime(), d);
TimexDateHelpers.IsLastWeek(new System.DateTime(), d);
TimexDateHelpers.WeekOfYear(d);
var after = d;
Assert.AreEqual(after, before);
}