public void UtcIsNotReturnedInIdsIfNotAdvertisedByProvider()
{
var source = new TestDateTimeZoneSource("Test1", "Test2");
var provider = new DateTimeZoneCache(source);
Assert.False(provider.Ids.Contains(DateTimeZone.UtcId));
}
public void InvalidProvider_NullIdSequence()
{
string[] ids = null;
var source = new TestDateTimeZoneSource(ids);
Assert.Throws <InvalidDateTimeZoneSourceException>(() => new DateTimeZoneCache(source));
}
public void SourceIsNotAskedForUtcIfAdvertised()
{
var source = new TestDateTimeZoneSource("Test1", "Test2", "UTC");
var provider = new DateTimeZoneCache(source);
var zone = provider[DateTimeZone.UtcId];
Assert.IsNotNull(zone);
Assert.IsNull(source.LastRequestedId);
}
public void SourceIsNotAskedForUnknownIds()
{
var source = new TestDateTimeZoneSource("Test1", "Test2");
var provider = new DateTimeZoneCache(source);
Assert.Throws <DateTimeZoneNotFoundException>(() => { var ignored = provider["Unknown"]; });
Assert.IsNull(source.LastRequestedId);
}
public void InvalidProvider_NullVersionId()
{
var source = new TestDateTimeZoneSource("Test1", "Test2")
{
VersionId = null
};
Assert.Throws <InvalidDateTimeZoneSourceException>(() => new DateTimeZoneCache(source));
}
public void SourceIsNotAskedForUtcIfAdvertised()
{
var source = new TestDateTimeZoneSource("Test1", "Test2", "UTC");
var provider = new DateTimeZoneCache(source);
var zone = provider[DateTimeZone.UtcId];
Assert.IsNotNull(zone);
Assert.IsNull(source.LastRequestedId);
}
public void FixedOffsetZeroReturnsUtc()
{
string id = "UTC+00:00";
var source = new TestDateTimeZoneSource("Test1", "Test2", id);
var provider = new DateTimeZoneCache(source);
DateTimeZone zone = provider[id];
Assert.AreEqual(DateTimeZone.Utc, zone);
Assert.IsNull(source.LastRequestedId);
}
public void FixedOffsetConsultsSourceWhenAdvertised()
{
string id = "UTC+05:30";
var source = new TestDateTimeZoneSource("Test1", "Test2", id);
var provider = new DateTimeZoneCache(source);
DateTimeZone zone = provider[id];
Assert.AreEqual(id, zone.Id);
Assert.AreEqual(id, source.LastRequestedId);
}
public void FixedOffsetUncached()
{
string id = "UTC+05:26";
var source = new TestDateTimeZoneSource("Test1", "Test2");
var provider = new DateTimeZoneCache(source);
DateTimeZone zone1 = provider[id];
DateTimeZone zone2 = provider[id];
Assert.AreNotSame(zone1, zone2);
Assert.AreEqual(zone1, zone2);
}
public void FixedOffsetSucceedsWithoutConsultingSourceWhenAdvertised()
{
string id = "UTC+05:30";
var source = new TestDateTimeZoneSource("Test1", "Test2", id);
var provider = new DateTimeZoneCache(source);
DateTimeZone zone = provider[id];
Assert.AreEqual(DateTimeZone.ForOffset(Offset.FromHoursAndMinutes(5, 30)), zone);
Assert.AreEqual(id, zone.Id);
Assert.IsNull(source.LastRequestedId);
}
public void CachingForPresentValues()
{
var source = new TestDateTimeZoneSource("Test1", "Test2");
var provider = new DateTimeZoneCache(source);
var zone1a = provider["Test1"];
Assert.IsNotNull(zone1a);
Assert.AreEqual("Test1", source.LastRequestedId);
// Hit up the cache (and thus the source) for Test2
Assert.IsNotNull(provider["Test2"]);
Assert.AreEqual("Test2", source.LastRequestedId);
// Ask for Test1 again
var zone1b = provider["Test1"];
// We won't have consulted the source again
Assert.AreEqual("Test2", source.LastRequestedId);
Assert.AreSame(zone1a, zone1b);
}
public void CachingForPresentValues()
{
var source = new TestDateTimeZoneSource("Test1", "Test2");
var provider = new DateTimeZoneCache(source);
var zone1a = provider["Test1"];
Assert.IsNotNull(zone1a);
Assert.AreEqual("Test1", source.LastRequestedId);
// Hit up the cache (and thus the source) for Test2
Assert.IsNotNull(provider["Test2"]);
Assert.AreEqual("Test2", source.LastRequestedId);
// Ask for Test1 again
var zone1b = provider["Test1"];
// We won't have consulted the source again
Assert.AreEqual("Test2", source.LastRequestedId);
Assert.AreSame(zone1a, zone1b);
}
public void UtcIsReturnedInIdsIfAdvertisedByProvider()
{
var source = new TestDateTimeZoneSource("Test1", "Test2", "UTC");
var provider = new DateTimeZoneCache(source);
Assert.True(provider.Ids.Contains(DateTimeZone.UtcId));
}
public void SourceIsNotAskedForUnknownIds()
{
var source = new TestDateTimeZoneSource("Test1", "Test2");
var provider = new DateTimeZoneCache(source);
Assert.Throws<DateTimeZoneNotFoundException>(() => { var ignored = provider["Unknown"]; });
Assert.IsNull(source.LastRequestedId);
}
public void InvalidProvider_NullIdWithinSequence()
{
var source = new TestDateTimeZoneSource("Test1", null);
Assert.Throws<InvalidDateTimeZoneSourceException>(() => new DateTimeZoneCache(source));
}
public void InvalidProvider_NullIdSequence()
{
string[] ids = null;
var source = new TestDateTimeZoneSource(ids);
Assert.Throws<InvalidDateTimeZoneSourceException>(() => new DateTimeZoneCache(source));
}
public void InvalidProvider_NullVersionId()
{
var source = new TestDateTimeZoneSource("Test1", "Test2") { VersionId = null };
Assert.Throws<InvalidDateTimeZoneSourceException>(() => new DateTimeZoneCache(source));
}
public void FixedOffsetZeroReturnsUtc()
{
string id = "UTC+00:00";
var source = new TestDateTimeZoneSource("Test1", "Test2", id);
var provider = new DateTimeZoneCache(source);
DateTimeZone zone = provider[id];
Assert.AreEqual(DateTimeZone.Utc, zone);
Assert.IsNull(source.LastRequestedId);
}
public void FixedOffsetUncached()
{
string id = "UTC+05:26";
var source = new TestDateTimeZoneSource("Test1", "Test2");
var provider = new DateTimeZoneCache(source);
DateTimeZone zone1 = provider[id];
DateTimeZone zone2 = provider[id];
Assert.AreNotSame(zone1, zone2);
Assert.AreEqual(zone1, zone2);
}
public void FixedOffsetSucceedsWithoutConsultingSourceWhenAdvertised()
{
string id = "UTC+05:30";
var source = new TestDateTimeZoneSource("Test1", "Test2", id);
var provider = new DateTimeZoneCache(source);
DateTimeZone zone = provider[id];
Assert.AreEqual(DateTimeZone.ForOffset(Offset.FromHoursAndMinutes(5, 30)), zone);
Assert.AreEqual(id, zone.Id);
Assert.IsNull(source.LastRequestedId);
}
public void InvalidProvider_NullIdWithinSequence()
{
var source = new TestDateTimeZoneSource("Test1", null);
Assert.Throws <InvalidDateTimeZoneSourceException>(() => new DateTimeZoneCache(source));
}