public void UtcNow_ReturnsSpecifiedUtcNow()
{
// arrange
DateTime expectedUtcNow = DateTime.ParseExact("2009/08/15 11:00 PM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
var timeZoneWrapper = new TimeZoneWrapper(TimeZoneInfo.Local, TimeZoneInfo.Local, () => expectedUtcNow);
// act
DateTime utcNow = timeZoneWrapper.UtcNow;
// assert
Assert.AreEqual(expectedUtcNow, utcNow);
}
public void ToUtc_ConvertsSpecifiedTimeInTimeZone_ToUtcTime()
{
// arrange
TimeZoneInfo blogTimeZone = TimeZones.GetTimeZones().GetById("Tokyo Standard Time");
var timeZoneWrapper = new TimeZoneWrapper(blogTimeZone, TimeZoneInfo.Local, () => DateTime.UtcNow);
DateTime expectedUtcDateTime = DateTime.ParseExact("2009/08/15 06:18 PM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture,
DateTimeStyles.AdjustToUniversal);
DateTime tokyoDateTime = TimeZoneInfo.ConvertTimeFromUtc(expectedUtcDateTime, blogTimeZone);
// act
DateTime utc = timeZoneWrapper.ToUtc(tokyoDateTime);
// assert
Assert.AreEqual(expectedUtcDateTime, utc);
}
public void FromUtc_ConvertsSpecifiedLocalTime_ToBlogTimeZoneFromUtc()
{
// arrange
var time = new DateTime(2009, 08, 15, 18, 18, 0, DateTimeKind.Local);
TimeZoneInfo blogTimeZone = TimeZones.GetTimeZones().GetById("Fiji Standard Time");
var timeZoneWrapper = new TimeZoneWrapper(blogTimeZone, TimeZoneInfo.Local, () => DateTime.UtcNow);
// act
var fijiDateTime = timeZoneWrapper.FromUtc(time); // To Fiji Time Zone
// assert
DateTime expected = DateTime.ParseExact("2009/08/16 06:18 AM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
Assert.AreEqual(expected, fijiDateTime);
}
public void Now_ReturnsTimeInLocalTimeZone()
{
// arrange
DateTime utcNow = DateTime.ParseExact("2009/08/15 11:00 PM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
TimeZoneInfo timeZone = TimeZones.GetTimeZones().GetById("Mountain Standard Time");
var timeZoneWrapper = new TimeZoneWrapper(timeZone, TimeZoneInfo.Local, () => utcNow);
// act
DateTime now = timeZoneWrapper.Now;
// assert
DateTime expected = DateTime.ParseExact("2009/08/15 05:00 PM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal);
Assert.AreEqual(expected, now);
}
public void IsInPast_WithDateInFuture_ReturnsFalse()
{
// arrange
TimeZoneInfo blogTimeZone = TimeZones.GetTimeZones().GetById("Fiji Standard Time");
TimeZoneInfo tokyoTimeZone = TimeZones.GetTimeZones().GetById("Tokyo Standard Time");
DateTime utcDateTime = DateTime.ParseExact("2009/08/15 06:18 PM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
var timeZoneWrapper = new TimeZoneWrapper(blogTimeZone, TimeZoneInfo.Local, () => utcDateTime);
DateTime tokyoDateTime = TimeZoneInfo.ConvertTimeFromUtc(utcDateTime, tokyoTimeZone).AddHours(1);
// act
bool isInPast = timeZoneWrapper.IsInPast(tokyoDateTime, tokyoTimeZone);
bool isInFuture = timeZoneWrapper.IsInFuture(tokyoDateTime, tokyoTimeZone);
// assert
Assert.IsFalse(isInPast);
Assert.IsTrue(isInFuture);
}
public void FromTimeZone_ConvertsSpecifiedTime_ToBlogTimeZoneFromSpecifiedTimeZone()
{
// arrange
TimeZoneInfo blogTimeZone = TimeZones.GetTimeZones().GetById("Fiji Standard Time");
TimeZoneInfo tokyoTimeZone = TimeZones.GetTimeZones().GetById("Tokyo Standard Time");
var timeZoneWrapper = new TimeZoneWrapper(blogTimeZone, TimeZoneInfo.Local, () => DateTime.UtcNow);
DateTime utcDateTime = DateTime.ParseExact("2009/08/15 06:18 PM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
DateTime tokyoDateTime = TimeZoneInfo.ConvertTimeFromUtc(utcDateTime, tokyoTimeZone);
// act
DateTime fijiDateTime = timeZoneWrapper.FromTimeZone(tokyoDateTime, tokyoTimeZone); // To Fiji Time Zone
// assert
DateTime expected = DateTime.ParseExact("2009/08/16 06:18 AM", "yyyy/MM/dd hh:mm tt",
CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
Assert.AreEqual(expected, fijiDateTime);
}