public void Base64Stream_WithVeryLongString_ShouldEncodeProperly()
{
var writeStateInfo = new Base64WriteStateInfo(10, new byte[0], new byte[0], 70, 0);
var s = new Base64Stream(writeStateInfo);
byte[] buffer = Encoding.UTF8.GetBytes(LongString);
s.EncodeBytes(buffer, 0, buffer.Length);
string encodedString = s.GetEncodedString();
byte[] stringToDecode = Encoding.ASCII.GetBytes(encodedString);
int result = s.DecodeBytes(stringToDecode, 0, encodedString.Length);
Assert.Equal(LongString, Encoding.UTF8.GetString(stringToDecode, 0, result));
}
public void Base64Stream_WithVeryLongString_ShouldEncodeProperly()
{
var writeStateInfo = new Base64WriteStateInfo(10, new byte[0], new byte[0], 70, 0);
var s = new Base64Stream(writeStateInfo);
byte[] buffer = Encoding.UTF8.GetBytes(LongString);
s.EncodeBytes(buffer, 0, buffer.Length);
string encodedString = s.GetEncodedString();
byte[] stringToDecode = Encoding.ASCII.GetBytes(encodedString);
int result = s.DecodeBytes(stringToDecode, 0, encodedString.Length);
Assert.Equal(LongString, Encoding.UTF8.GetString(stringToDecode, 0, result));
}
public void Base64Stream_WithBasicAsciiString_ShouldEncodeAndDecode(string testHeader)
{
var s = new Base64Stream(new Base64WriteStateInfo());
var testHeaderBytes = Encoding.UTF8.GetBytes(testHeader);
s.EncodeBytes(testHeaderBytes, 0, testHeaderBytes.Length);
string encodedString = s.GetEncodedString();
for (int i = 0; i < encodedString.Length; i++)
{
Assert.InRange((byte)encodedString[i], 0, 127);
}
byte[] stringToDecode = Encoding.ASCII.GetBytes(encodedString);
int result = s.DecodeBytes(stringToDecode, 0, encodedString.Length);
Assert.Equal(testHeader, Encoding.UTF8.GetString(stringToDecode, 0, result));
}
public void Base64Stream_WithVerySmallBuffer_ShouldTriggerBufferResize_AndShouldEncodeProperly()
{
var s = new Base64Stream(new Base64WriteStateInfo(10, new byte[0], new byte[0], 70, 0));
const string TestString = "0123456789abcdef";
byte[] buffer = Encoding.UTF8.GetBytes(TestString);
s.EncodeBytes(buffer, 0, buffer.Length);
string encodedString = s.GetEncodedString();
Assert.Equal("MDEyMzQ1Njc4OWFiY2RlZg==", encodedString);
byte[] stringToDecode = Encoding.ASCII.GetBytes(encodedString);
int result = s.DecodeBytes(stringToDecode, 0, encodedString.Length);
Assert.Equal(TestString, Encoding.UTF8.GetString(stringToDecode, 0, result));
}
public void Base64Stream_WithVerySmallBuffer_ShouldTriggerBufferResize_AndShouldEncodeProperly()
{
var s = new Base64Stream(new Base64WriteStateInfo(10, new byte[0], new byte[0], 70, 0));
const string TestString = "0123456789abcdef";
byte[] buffer = Encoding.UTF8.GetBytes(TestString);
s.EncodeBytes(buffer, 0, buffer.Length);
string encodedString = s.GetEncodedString();
Assert.Equal("MDEyMzQ1Njc4OWFiY2RlZg==", encodedString);
byte[] stringToDecode = Encoding.ASCII.GetBytes(encodedString);
int result = s.DecodeBytes(stringToDecode, 0, encodedString.Length);
Assert.Equal(TestString, Encoding.UTF8.GetString(stringToDecode, 0, result));
}
public void Base64Stream_WithBasicAsciiString_ShouldEncodeAndDecode(string testHeader)
{
var s = new Base64Stream(new Base64WriteStateInfo());
var testHeaderBytes = Encoding.UTF8.GetBytes(testHeader);
s.EncodeBytes(testHeaderBytes, 0, testHeaderBytes.Length);
string encodedString = s.GetEncodedString();
for (int i = 0; i < encodedString.Length; i++)
{
Assert.InRange((byte)encodedString[i], 0, 127);
}
byte[] stringToDecode = Encoding.ASCII.GetBytes(encodedString);
int result = s.DecodeBytes(stringToDecode, 0, encodedString.Length);
Assert.Equal(testHeader, Encoding.UTF8.GetString(stringToDecode, 0, result));
}
internal static string EncodeHeaderValue(string value, Encoding encoding, bool base64Encoding)
{
StringBuilder builder = new StringBuilder();
if ((encoding == null) && IsAscii(value, false))
{
return(value);
}
if (encoding == null)
{
encoding = Encoding.GetEncoding("utf-8");
}
string bodyName = encoding.BodyName();
if (encoding == Encoding.BigEndianUnicode)
{
bodyName = "utf-16be";
}
builder.Append("=?");
builder.Append(bodyName);
builder.Append("?");
builder.Append(base64Encoding ? "B" : "Q");
builder.Append("?");
byte[] bytes = encoding.GetBytes(value);
if (base64Encoding)
{
Base64Stream stream = new Base64Stream(-1);
stream.EncodeBytes(bytes, 0, bytes.Length, true);
builder.Append(Encoding.ASCII.GetString(stream.WriteState.Buffer, 0, stream.WriteState.Length));
}
else
{
QuotedPrintableStream stream2 = new QuotedPrintableStream(-1);
stream2.EncodeBytes(bytes, 0, bytes.Length);
builder.Append(Encoding.ASCII.GetString(stream2.WriteState.Buffer, 0, stream2.WriteState.Length));
}
builder.Append("?=");
return(builder.ToString());
}
internal void Write()
{
while (true)
{
// do not append a space when writing from a stream since this means
// it's writing the email body
_written += _parent.EncodeBytes(_buffer, _offset + _written, _count - _written, false, false);
if (_written < _count)
{
IAsyncResult result = _parent.BaseStream.BeginWrite(_parent.WriteState.Buffer, 0, _parent.WriteState.Length, s_onWrite, this);
if (!result.CompletedSynchronously)
{
break;
}
CompleteWrite(result);
}
else
{
InvokeCallback();
break;
}
}
}