public void MimeMultipartParser_ThrowsOnTooBigBoundary()
{
string maxLegalBoundary = new string('a', 246);
MimeMultipartParser parser = new MimeMultipartParser(maxLegalBoundary, ParserData.MinMessageSize);
string minIllegalBoundary = new string('a', 247);
Assert.ThrowsArgumentLessThanOrEqualTo(() => new MimeMultipartParser(minIllegalBoundary, ParserData.MinMessageSize),
"boundary", "246", "247");
}