public void EncoderAndDecoder_WithQEncodedString_AndNoUnicode_AndShortHeader_ShouldEncodeAndDecode(
string testHeader, int expectedFoldedCount)
{
string result = MimeBasePart.EncodeHeaderValue(testHeader, Encoding.UTF8, false);
string[] foldedHeaders = result.Split(new string[] { "\r\n " }, StringSplitOptions.RemoveEmptyEntries);
Assert.Equal(expectedFoldedCount, foldedHeaders.Length);
foreach (string foldedHeader in foldedHeaders)
{
Assert.InRange(foldedHeader.Length, 0, 76);
}
Assert.Equal(testHeader, MimeBasePart.DecodeHeaderValue(result));
}
public void EncodeHeader_WithNoUnicode_ShouldNotEncode(string testHeader)
{
string result = MimeBasePart.EncodeHeaderValue(testHeader, Encoding.UTF8, true);
Assert.StartsWith("some test", result, StringComparison.Ordinal);
Assert.EndsWith("header", result, StringComparison.Ordinal);
foreach (char c in result)
{
Assert.InRange((byte)c, 0, 128);
}
Assert.Equal(testHeader, MimeBasePart.DecodeHeaderValue(result));
}
public void EncoderAndDecoder_ShouldEncodeAndDecode(string testHeader, int expectedFoldedCount)
{
string result = MimeBasePart.EncodeHeaderValue(testHeader, Encoding.UTF8, true);
Assert.StartsWith("=?utf-8?B?", result, StringComparison.Ordinal);
Assert.EndsWith("?=", result, StringComparison.Ordinal);
string[] foldedHeaders = result.Split('\r');
Assert.Equal(expectedFoldedCount, foldedHeaders.Length);
foreach (string foldedHeader in foldedHeaders)
{
Assert.InRange(foldedHeader.Length, 0, 76);
}
Assert.Equal(testHeader, MimeBasePart.DecodeHeaderValue(result));
}