public void TestContentMd5()
{
var part = new MimePart();
Assert.IsNull(part.ContentMd5, "Initial ContentMd5 value should be null");
part.ContentMd5 = "XYZ";
Assert.AreEqual("XYZ", part.ContentMd5, "Expected ContentMd5 to be updated");
Assert.IsTrue(part.Headers.Contains(HeaderId.ContentMd5), "Expected header to exist");
part.ContentMd5 = null;
Assert.IsNull(part.ContentMd5, "Expected ContentMd5 to be null again");
Assert.IsFalse(part.Headers.Contains(HeaderId.ContentMd5), "Expected header to be removed");
part.Headers.Add(HeaderId.ContentMd5, "XYZ");
Assert.AreEqual("XYZ", part.ContentMd5, "Expected ContentMd5 to be set again");
part.Headers.Remove(HeaderId.ContentMd5);
Assert.IsNull(part.ContentMd5, "Expected ContentMd5 to be null again");
part.ContentMd5 = "XYZ";
part.Headers.Clear();
Assert.IsNull(part.ContentMd5, "Expected ContentMd5 to be null again");
Assert.Throws <InvalidOperationException> (() => part.ComputeContentMd5());
Assert.IsFalse(part.VerifyContentMd5());
}
public void TestContentMd5()
{
var part = new MimePart();
Assert.IsNull(part.ContentMd5, "Initial ContentMd5 value should be null");
part.ContentMd5 = "XYZ";
Assert.AreEqual("XYZ", part.ContentMd5, "Expected ContentMd5 to be updated");
Assert.IsTrue(part.Headers.Contains(HeaderId.ContentMd5), "Expected header to exist");
part.ContentMd5 = null;
Assert.IsNull(part.ContentMd5, "Expected ContentMd5 to be null again");
Assert.IsFalse(part.Headers.Contains(HeaderId.ContentMd5), "Expected header to be removed");
part.Headers.Add(HeaderId.ContentMd5, "XYZ");
Assert.AreEqual("XYZ", part.ContentMd5, "Expected ContentMd5 to be set again");
part.Headers.Remove(HeaderId.ContentMd5);
Assert.IsNull(part.ContentMd5, "Expected ContentMd5 to be null again");
part.ContentMd5 = "XYZ";
part.Headers.Clear();
Assert.IsNull(part.ContentMd5, "Expected ContentMd5 to be null again");
Assert.Throws <InvalidOperationException> (() => part.ComputeContentMd5());
Assert.IsFalse(part.VerifyContentMd5());
part = new TextPart("plain")
{
Text = "Hello, World.\n\nLet's check the MD5 sum of this text!\n"
};
var md5sum = part.ComputeContentMd5();
Assert.AreEqual("8criUiOQmpfifOuOmYFtEQ==", md5sum, "ComputeContentMd5 text/*");
// re-encode the base64'd md5sum using a hex encoding so we can easily compare to the output of `md5sum` command-line tools
var decoded = Convert.FromBase64String(md5sum);
var encoded = new StringBuilder();
for (int i = 0; i < decoded.Length; i++)
{
encoded.Append(decoded[i].ToString("x2"));
}
Assert.AreEqual("f1cae25223909a97e27ceb8e99816d11", encoded.ToString(), "md5sum text/*");
part.ContentMd5 = md5sum;
Assert.IsTrue(part.VerifyContentMd5(), "VerifyContentMd5");
}