public void DayOfWeek_BothWaysValid(DayOfWeek bcl, IsoDayOfWeek noda)
{
Assert.AreEqual(bcl, BclConversions.ToDayOfWeek(noda));
Assert.AreEqual(noda, BclConversions.ToIsoDayOfWeek(bcl));
Assert.AreEqual(bcl, noda.ToDayOfWeek());
Assert.AreEqual(noda, bcl.ToIsoDayOfWeek());
}
// Converts a TimeZoneInfo "TransitionTime" to a "ZoneYearOffset" - the two correspond pretty closely.
private static ZoneYearOffset ConvertTransition(TimeZoneInfo.TransitionTime transitionTime)
{
// Used for both fixed and non-fixed transitions.
LocalTime timeOfDay = LocalDateTime.FromDateTime(transitionTime.TimeOfDay).TimeOfDay;
// Easy case - fixed day of the month.
if (transitionTime.IsFixedDateRule)
{
return(new ZoneYearOffset(TransitionMode.Wall, transitionTime.Month, transitionTime.Day, 0, false, timeOfDay));
}
// Floating: 1st Sunday in March etc.
int dayOfWeek = (int)BclConversions.ToIsoDayOfWeek(transitionTime.DayOfWeek);
int dayOfMonth;
bool advance;
// "Last"
if (transitionTime.Week == 5)
{
advance = false;
dayOfMonth = -1;
}
else
{
advance = true;
// Week 1 corresponds to ">=1"
// Week 2 corresponds to ">=8" etc
dayOfMonth = (transitionTime.Week * 7) - 6;
}
return(new ZoneYearOffset(TransitionMode.Wall, transitionTime.Month, dayOfMonth, dayOfWeek, advance, timeOfDay));
}
public void ToDayOfWeek_InvalidValues(IsoDayOfWeek noda)
{
Assert.Throws <ArgumentOutOfRangeException>(() => BclConversions.ToDayOfWeek(noda));
Assert.Throws <ArgumentOutOfRangeException>(() => noda.ToDayOfWeek());
#pragma warning disable CS0618 // Type or member is obsolete
Assert.Throws <ArgumentOutOfRangeException>(() => noda.ToIsoDayOfWeek());
#pragma warning restore CS0618 // Type or member is obsolete
}
public void DayOfWeek_BothWaysValid(DayOfWeek bcl, IsoDayOfWeek noda)
{
Assert.AreEqual(bcl, BclConversions.ToDayOfWeek(noda));
Assert.AreEqual(noda, BclConversions.ToIsoDayOfWeek(bcl));
Assert.AreEqual(bcl, noda.ToDayOfWeek());
#pragma warning disable CS0618 // Type or member is obsolete
Assert.AreEqual(bcl, noda.ToIsoDayOfWeek());
#pragma warning restore CS0618 // Type or member is obsolete
Assert.AreEqual(noda, bcl.ToIsoDayOfWeek());
}
public void DayOfWeek_AroundEpoch()
{
// Test about couple of months around the Unix epoch. If that works, I'm confident the rest will.
LocalDate date = new LocalDate(1969, 12, 1);
for (int i = 0; i < 60; i++)
{
Assert.AreEqual(
BclConversions.ToIsoDayOfWeek(date.AtMidnight().ToDateTimeUnspecified().DayOfWeek),
date.DayOfWeek);
date = date.PlusDays(1);
}
}
public void DayOfWeek_AroundEpoch()
{
// Test about couple of months around the Unix epoch. If that works, I'm confident the rest will.
LocalDateTime dateTime = new LocalDateTime(1969, 12, 1, 0, 0);
for (int i = 0; i < 60; i++)
{
// Check once per hour of the day, just in case something's messed up based on the time of day.
for (int hour = 0; hour < 24; hour++)
{
Assert.AreEqual(BclConversions.ToIsoDayOfWeek(dateTime.ToDateTimeUnspecified().DayOfWeek),
dateTime.DayOfWeek);
dateTime = dateTime.PlusHours(1);
}
}
}
// Converts a TimeZoneInfo "TransitionTime" to a "ZoneYearOffset" - the two correspond pretty closely.
private static ZoneYearOffset ConvertTransition(TimeZoneInfo.TransitionTime transitionTime)
{
// Used for both fixed and non-fixed transitions.
LocalTime timeOfDay = LocalDateTime.FromDateTime(transitionTime.TimeOfDay).TimeOfDay;
// Transitions at midnight are represented in the Windows database by a transition one millisecond early.
// See BclDateTimeZoneTest.TransitionAtMidnight for a concrete example.
// We adjust to midnight to represent the correct data - it's clear this is just a data fudge.
// It's probably done like this to allow the rule to represent "Saturday 24:00" instead of "Sunday 00:00".
bool addDay = false;
if (timeOfDay == OneMillisecondBeforeMidnight)
{
timeOfDay = LocalTime.Midnight;
addDay = true;
}
// Easy case - fixed day of the month.
if (transitionTime.IsFixedDateRule)
{
return(new ZoneYearOffset(TransitionMode.Wall, transitionTime.Month, transitionTime.Day, 0, false, timeOfDay, addDay));
}
// Floating: 1st Sunday in March etc.
int dayOfWeek = (int)BclConversions.ToIsoDayOfWeek(transitionTime.DayOfWeek);
int dayOfMonth;
bool advance;
// "Last"
if (transitionTime.Week == 5)
{
advance = false;
dayOfMonth = -1;
}
else
{
advance = true;
// Week 1 corresponds to ">=1"
// Week 2 corresponds to ">=8" etc
dayOfMonth = (transitionTime.Week * 7) - 6;
}
return(new ZoneYearOffset(TransitionMode.Wall, transitionTime.Month, dayOfMonth, dayOfWeek, advance, timeOfDay, addDay));
}
/// <summary> /// Converts a <see cref="IsoDayOfWeek"/> into the corresponding <see cref="DayOfWeek"/>. /// </summary> /// <remarks>This is a convenience method which calls <see cref="BclConversions.ToDayOfWeek"/>.</remarks> /// <param name="isoDayOfWeek">The <c>IsoDayOfWeek</c> to convert.</param> /// <returns>The <c>DayOfWeek</c> equivalent to <paramref name="isoDayOfWeek"/></returns> public static DayOfWeek ToDayOfWeek(this IsoDayOfWeek isoDayOfWeek) => BclConversions.ToDayOfWeek(isoDayOfWeek);
/// <summary> /// Converts a <see cref="DayOfWeek"/> into the corresponding <see cref="IsoDayOfWeek"/>. /// </summary> /// <remarks>This is a convenience method which calls <see cref="BclConversions.ToIsoDayOfWeek"/>.</remarks> /// <param name="dayOfWeek">The <c>DayOfWeek</c> to convert.</param> /// <returns>The <c>IsoDayOfWeek</c> equivalent to <paramref name="dayOfWeek"/></returns> public static IsoDayOfWeek ToIsoDayOfWeek(this DayOfWeek dayOfWeek) => BclConversions.ToIsoDayOfWeek(dayOfWeek);
public void ToIsoDayOfWeek_InvalidValues(DayOfWeek bcl)
{
Assert.Throws <ArgumentOutOfRangeException>(() => BclConversions.ToIsoDayOfWeek(bcl));
}
public void ToDayOfWeek_InvalidValues(IsoDayOfWeek noda)
{
Assert.Throws <ArgumentOutOfRangeException>(() => BclConversions.ToDayOfWeek(noda));
Assert.Throws <ArgumentOutOfRangeException>(() => noda.ToDayOfWeek());
}
