public void Timestamps_do_not_round_trip()
{
var service = new LocalServerTimestampService();
{
var currentTimestamp = service.GetCurrentTimestamp();
var deserialized = new DateTimeOffset(new DateTime(currentTimestamp));
Assert.True(TimeZoneInfo.Local.BaseUtcOffset == TimeSpan.Zero || deserialized.Offset != TimeSpan.Zero);
}
{
var currentTime = service.GetCurrentTime();
currentTime = currentTime.ToOffset(TimeSpan.FromHours(1)); // non-local offset
var ms = new MemoryStream();
var d = currentTime;
var w = new BinaryWriter(ms);
w.Write(d.Ticks);
ms.Position = 0;
var r = new BinaryReader(ms);
var recreatedTime = new DateTimeOffset(new DateTime(r.ReadInt64()));
// We didn't write d.Offset, so we can't recreate the instant in time.
// This would require 64 bits (d.Ticks) + 16 bits (d.Offset), which does not fit in long.
Assert.NotEqual(currentTime, recreatedTime);
}
}
public void Can_get_zoned_time()
{
var service = new LocalServerTimestampService();
var currentTime = service.GetCurrentZonedTime();
Assert.NotEqual(default(DateTimeOffset), currentTime);
}
private static BackgroundTaskHost CreateBackgroundTaskHost(Action <BackgroundTaskOptions> configureOptions)
{
var services = new ServiceCollection();
services.AddBackgroundTasks(configureOptions);
var serviceProvider = services.BuildServiceProvider();
var timestamps = new LocalServerTimestampService();
var scheduler = new BackgroundTaskHost(serviceProvider, timestamps,
new InMemoryBackgroundTaskStore(timestamps), new JsonBackgroundTaskSerializer(),
new ReflectionTypeResolver(),
serviceProvider.GetRequiredService <IOptionsMonitor <BackgroundTaskOptions> >(),
serviceProvider.GetService <ISafeLogger <BackgroundTaskHost> >());
return(scheduler);
}
