System.Net.Mime.Tests.SmtpDateTimeTest.SmtpDate_ValidateTimeZoneOffsetValue_WithValidAndInvalidOffsets_ShouldReturnCorrectly C# (CSharp) Method

        public void SmtpDate_ValidateTimeZoneOffsetValue_WithValidAndInvalidOffsets_ShouldReturnCorrectly()
        {
            var smtpDt = new SmtpDateTime(DateTime.Now);

            bool positive;
            int hours;
            int minutes;

            smtpDt.ValidateAndGetTimeZoneOffsetValues("+0000", out positive, out hours, out minutes);
            smtpDt.ValidateAndGetTimeZoneOffsetValues("+9959", out positive, out hours, out minutes);
            smtpDt.ValidateAndGetTimeZoneOffsetValues("-9959", out positive, out hours, out minutes);
            smtpDt.ValidateAndGetTimeZoneOffsetValues("+0900", out positive, out hours, out minutes);

            Assert.Throws<FormatException>(() => smtpDt.ValidateAndGetTimeZoneOffsetValues("+0080", out positive, out hours, out minutes));
            Assert.Throws<FormatException>(() => smtpDt.ValidateAndGetTimeZoneOffsetValues("+-0045", out positive, out hours, out minutes));
            Assert.Throws<FormatException>(() => smtpDt.ValidateAndGetTimeZoneOffsetValues("+10000", out positive, out hours, out minutes));
            Assert.Throws<FormatException>(() => smtpDt.ValidateAndGetTimeZoneOffsetValues("-A000", out positive, out hours, out minutes));
        }