void TestTimeSource(TimeSource source, DateTime expected, DateTimeKind kind)
{
Assert.IsType(typeof(FastLocalTimeSource), TimeSource.Current);
TimeSource.Current = source;
Assert.Same(source, TimeSource.Current);
var evt = new LogEventInfo(LogLevel.Info, "logger", "msg");
Assert.Equal(kind, evt.TimeStamp.Kind);
Assert.True((expected - evt.TimeStamp).Duration() < TimeSpan.FromSeconds(5));
Assert.True((source.Time - source.FromSystemTime(DateTime.UtcNow)).Duration() < TimeSpan.FromSeconds(5));
LogEventInfo evt2;
do
{
evt2 = new LogEventInfo(LogLevel.Info, "logger", "msg");
} while (evt.TimeStamp == evt2.TimeStamp);
Assert.Equal(kind, evt2.TimeStamp.Kind);
Assert.True(evt2.TimeStamp > evt.TimeStamp);
Assert.True(evt2.TimeStamp - evt.TimeStamp <= TimeSpan.FromSeconds(1));
}
