public static void InvalidDateTimeStyles()
{
string strDateTime = "Thursday, August 31, 2006 1:14";
string[] formats = new string[] { "f" };
IFormatProvider provider = new CultureInfo("en-US");
DateTimeStyles style = DateTimeStyles.AssumeLocal | DateTimeStyles.AssumeUniversal;
Assert.Throws<ArgumentException>(() => DateTime.ParseExact(strDateTime, formats, provider, style));
}
}