本文整理汇总了C#中DateTimeOffset.Previous方法的典型用法代码示例。如果您正苦于以下问题：C# DateTimeOffset.Previous方法的具体用法？C# DateTimeOffset.Previous怎么用？C# DateTimeOffset.Previous使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DateTimeOffset的用法示例。
在下文中一共展示了DateTimeOffset.Previous方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Next_ReturnsPreviousFridayProperly
public void Next_ReturnsPreviousFridayProperly()
{
var friday = new DateTimeOffset(2009, 7, 17, 1, 0, 0, 0, TimeSpan.Zero);
var reallyPreviousFriday = new DateTimeOffset(2009, 7, 10, 1, 0, 0, 0, TimeSpan.Zero);
var previousFriday = friday.Previous(DayOfWeek.Friday);
Assert.AreEqual(reallyPreviousFriday, previousFriday);
}示例2: BasicTests
public void BasicTests()
{
var now = DateTimeOffset.UtcNow;
var expected = new DateTimeOffset(now.Year, now.Month, now.Day, 23, 59, 59, 999, TimeSpan.Zero);
var actual = now.EndOfDay();
Assert.AreEqual(expected, actual, " End of the day wrong");
Assert.AreEqual(new DateTimeOffset(now.Year, now.Month, now.Day, 0, 0, 0, 0, TimeSpan.Zero), now.BeginningOfDay(), "Start of the day wrong");
var firstBirthDay = new DateTimeOffset(1977, 12, 31, 17, 0, 0, 0, TimeSpan.Zero);
Assert.AreEqual(firstBirthDay + new TimeSpan(1, 0, 5, 0, 0), firstBirthDay + 1.Days() + 5.Minutes());
Assert.AreEqual(now + TimeSpan.FromDays(1), now.NextDay());
Assert.AreEqual(now - TimeSpan.FromDays(1), now.PreviousDay());
Assert.AreEqual(now + TimeSpan.FromDays(7), now.WeekAfter());
Assert.AreEqual(now - TimeSpan.FromDays(7), now.WeekEarlier());
Assert.AreEqual(new DateTimeOffset(2009, 1, 1, 0, 0, 0, 0, TimeSpan.Zero), new DateTimeOffset(2008, 12, 31, 0, 0, 0, TimeSpan.Zero).Add(1.Days()));
Assert.AreEqual(new DateTimeOffset(2009, 1, 2, 0, 0, 0, 0, TimeSpan.Zero), new DateTimeOffset(2009, 1, 1, 0, 0, 0, 0, TimeSpan.Zero).Add(1.Days()));
var sampleDate = new DateTimeOffset(2009, 1, 1, 13, 0, 0, 0, TimeSpan.Zero);
Assert.AreEqual(new DateTimeOffset(2009, 1, 1, 12, 0, 0, 0, TimeSpan.Zero), sampleDate.Noon());
Assert.AreEqual(new DateTimeOffset(2009, 1, 1, 0, 0, 0, 0, TimeSpan.Zero), sampleDate.Midnight());
Assert.AreEqual(3.Days() + 3.Days(), 6.Days());
Assert.AreEqual(102.Days() - 3.Days(), 99.Days());
Assert.AreEqual(24.Hours(), 1.Days());
sampleDate = new DateTimeOffset(2008, 1, 1, 0, 0, 0, 0, TimeSpan.Zero);
Assert.AreEqual(3.Days().Since(sampleDate), sampleDate + 3.Days());
var saturday = new DateTimeOffset(2008, 10, 25, 12, 0, 0, TimeSpan.Zero);
Assert.AreEqual(new DateTimeOffset(2008, 11, 1, 12, 0, 0, TimeSpan.Zero), saturday.Next(DayOfWeek.Saturday));
Assert.AreEqual(new DateTimeOffset(2008, 10, 18, 12, 0, 0, TimeSpan.Zero), saturday.Previous(DayOfWeek.Saturday));
var nextWeek = DateTimeOffset.UtcNow + 1.Weeks();
var tomorrow = DateTimeOffset.UtcNow + 1.Days();
var yesterday = DateTimeOffset.UtcNow - 1.Days();
var changedHourTo14H = DateTimeOffset.UtcNow.SetHour(14);
var todayNoon = DateTimeOffset.UtcNow.Noon();
var tomorrowNoon = DateTimeOffset.UtcNow.NextDay().Noon();
var fiveDaysAgo = TimeSpanOffsetExtensions.Ago(5.Days());
var twoDaysFromNow = TimeSpanOffsetExtensions.FromNow(2.Days());
var nextYearSameDateAsTodayNoon = TimeSpanOffsetExtensions.FromNow(1.Years()).Noon();
var twoWeeksFromNow = TimeSpanOffsetExtensions.FromNow(2.Weeks());
}