public void ToLocalTimeString_FormatTest()
{
var localDatetime = new DateTime(2018, 5, 6, 11, 22, 33, 111, DateTimeKind.Local);
var utc = new DateTimeUtc(localDatetime.ToUniversalTime());
Assert.Equal(localDatetime.ToString("O"), utc.ToLocalTimeString("O"));
}
public void ToLocalTimeString_Test()
{
var datetime = new DateTime(2018, 5, 6, 11, 22, 33, 111, DateTimeKind.Local);
var utc = new DateTimeUtc(datetime.ToUniversalTime());
Assert.Equal(datetime.ToString(), utc.ToLocalTimeString());
}