public void CanSetTimeZone()
{
using (TestSystemClock.Install()) {
var utcNow = DateTime.UtcNow;
var now = new DateTime(utcNow.AddHours(1).Ticks, DateTimeKind.Local);
TestSystemClock.SetFrozenTime(utcNow);
TestSystemClock.SetTimeZoneOffset(TimeSpan.FromHours(1));
Assert.Equal(utcNow, SystemClock.UtcNow);
Assert.Equal(utcNow, SystemClock.OffsetUtcNow);
Assert.Equal(now, SystemClock.Now);
Assert.Equal(new DateTimeOffset(now.Ticks, TimeSpan.FromHours(1)), SystemClock.OffsetNow);
Assert.Equal(TimeSpan.FromHours(1), SystemClock.TimeZoneOffset);
}
}