public void TestMultipart(string filePath, int expectedPartCount)
{
string entityText = File.ReadAllText(filePath);
MimeEntity entity = null;
Assert.Null(Record.Exception(() => entity = MimeParser.Read <MimeEntity>(entityText)));
Assert.True(entity.IsMultiPart);
MimePart[] parts = null;
Assert.Null(Record.Exception(() => parts = entity.GetAllParts().ToArray()));
if (expectedPartCount > 0)
{
Assert.True(parts != null && parts.Length == expectedPartCount);
}
}
