private static void CheckInvalidWarningViaLength(string input, int startIndex)
{
object result = null;
Assert.Equal(0, WarningHeaderValue.GetWarningLength(input, startIndex, out result));
Assert.Null(result);
}
private static void CheckGetWarningLength(string input, int startIndex, int expectedLength,
WarningHeaderValue expectedResult)
{
object result = null;
Assert.Equal(expectedLength, WarningHeaderValue.GetWarningLength(input, startIndex, out result));
Assert.Equal(expectedResult, result);
}