public void TestRtfCompressedToRtfByteByByte()
{
var input = new byte[] { (byte)'-', 0x00, 0x00, 0x00, (byte)'+', 0x00, 0x00, 0x00, (byte)'L', (byte)'Z', (byte)'F', (byte)'u', 0xf1, 0xc5, 0xc7, 0xa7, 0x03, 0x00, (byte)'\n', 0x00, (byte)'r', (byte)'c', (byte)'p', (byte)'g', (byte)'1', (byte)'2', (byte)'5', (byte)'B', (byte)'2', (byte)'\n', 0xf3, (byte)' ', (byte)'h', (byte)'e', (byte)'l', (byte)'\t', 0x00, (byte)' ', (byte)'b', (byte)'w', 0x05, 0xb0, (byte)'l', (byte)'d', (byte)'}', (byte)'\n', 0x80, 0x0f, 0xa0 };
const string expected = "{\\rtf1\\ansi\\ansicpg1252\\pard hello world}\r\n";
var filter = new RtfCompressedToRtf();
int outputIndex, outputLength;
byte[] output;
using (var memory = new MemoryStream()) {
for (int i = 0; i < input.Length; i++)
{
output = filter.Filter(input, i, 1, out outputIndex, out outputLength);
memory.Write(output, outputIndex, outputLength);
}
output = filter.Flush(input, 0, 0, out outputIndex, out outputLength);
memory.Write(output, outputIndex, outputLength);
output = memory.ToArray();
}
Assert.AreEqual(43, output.Length, "outputLength");
Assert.IsTrue(filter.IsValidCrc32, "IsValidCrc32");
Assert.AreEqual(RtfCompressionMode.Compressed, filter.CompressionMode, "ComnpressionMode");
var text = Encoding.ASCII.GetString(output);
Assert.AreEqual(expected, text);
}
public void TestRtfCompressedToRtfRawByteByByte()
{
var input = new byte[] { (byte)'.', 0x00, 0x00, 0x00, (byte)'\"', 0x00, 0x00, 0x00, (byte)'M', (byte)'E', (byte)'L', (byte)'A', (byte)' ', 0xdf, 0x12, 0xce, (byte)'{', (byte)'\\', (byte)'r', (byte)'t', (byte)'f', (byte)'1', (byte)'\\', (byte)'a', (byte)'n', (byte)'s', (byte)'i', (byte)'\\', (byte)'a', (byte)'n', (byte)'s', (byte)'i', (byte)'c', (byte)'p', (byte)'g', (byte)'1', (byte)'2', (byte)'5', (byte)'2', (byte)'\\', (byte)'p', (byte)'a', (byte)'r', (byte)'d', (byte)' ', (byte)'t', (byte)'e', (byte)'s', (byte)'t', (byte)'}' };
const string expected = "{\\rtf1\\ansi\\ansicpg1252\\pard test}";
var filter = new RtfCompressedToRtf();
int outputIndex, outputLength;
byte[] output;
using (var memory = new MemoryStream()) {
for (int i = 0; i < input.Length; i++)
{
output = filter.Filter(input, i, 1, out outputIndex, out outputLength);
memory.Write(output, outputIndex, outputLength);
}
output = filter.Flush(input, 0, 0, out outputIndex, out outputLength);
memory.Write(output, outputIndex, outputLength);
output = memory.ToArray();
}
Assert.AreEqual(34, output.Length, "outputLength");
Assert.IsTrue(filter.IsValidCrc32, "IsValidCrc32");
Assert.AreEqual(RtfCompressionMode.Uncompressed, filter.CompressionMode, "ComnpressionMode");
var text = Encoding.ASCII.GetString(output);
Assert.AreEqual(expected, text);
}
public void TestRtfCompressedToRtfInvalidCrc()
{
var input = new byte[] { 0x10, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, (byte)'L', (byte)'Z', (byte)'F', (byte)'u', 0xff, 0xff, 0xff, 0xff };
var filter = new RtfCompressedToRtf();
int outputIndex, outputLength;
byte[] output;
output = filter.Flush(input, 0, input.Length, out outputIndex, out outputLength);
Assert.AreEqual(0, outputIndex, "outputIndex");
Assert.AreEqual(0, outputLength, "outputLength");
Assert.IsFalse(filter.IsValidCrc32, "IsValidCrc32");
Assert.AreEqual(RtfCompressionMode.Compressed, filter.CompressionMode, "ComnpressionMode");
}
public void TestRtfCompressedToRtfUnknownCompressionType()
{
var input = new byte[] { 0x10, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, (byte)'A', (byte)'B', (byte)'C', (byte)'D', 0xff, 0xff, 0xff, 0xff };
var filter = new RtfCompressedToRtf();
int outputIndex, outputLength;
byte[] output;
output = filter.Flush(input, 0, input.Length, out outputIndex, out outputLength);
Assert.AreEqual(16, outputIndex, "outputIndex");
Assert.AreEqual(0, outputLength, "outputLength");
Assert.IsFalse(filter.IsValidCrc32, "IsValidCrc32");
Assert.AreEqual((RtfCompressionMode)1145258561, filter.CompressionMode, "ComnpressionMode");
}
public void TestRtfCompressedToRtfRaw()
{
var input = new byte[] { (byte)'.', 0x00, 0x00, 0x00, (byte)'\"', 0x00, 0x00, 0x00, (byte)'M', (byte)'E', (byte)'L', (byte)'A', (byte)' ', 0xdf, 0x12, 0xce, (byte)'{', (byte)'\\', (byte)'r', (byte)'t', (byte)'f', (byte)'1', (byte)'\\', (byte)'a', (byte)'n', (byte)'s', (byte)'i', (byte)'\\', (byte)'a', (byte)'n', (byte)'s', (byte)'i', (byte)'c', (byte)'p', (byte)'g', (byte)'1', (byte)'2', (byte)'5', (byte)'2', (byte)'\\', (byte)'p', (byte)'a', (byte)'r', (byte)'d', (byte)' ', (byte)'t', (byte)'e', (byte)'s', (byte)'t', (byte)'}' };
const string expected = "{\\rtf1\\ansi\\ansicpg1252\\pard test}";
var filter = new RtfCompressedToRtf();
int outputIndex, outputLength;
byte[] output;
output = filter.Flush(input, 0, input.Length, out outputIndex, out outputLength);
Assert.AreEqual(16, outputIndex, "outputIndex");
Assert.AreEqual(34, outputLength, "outputLength");
Assert.IsTrue(filter.IsValidCrc32, "IsValidCrc32");
Assert.AreEqual(RtfCompressionMode.Uncompressed, filter.CompressionMode, "ComnpressionMode");
var text = Encoding.ASCII.GetString(output, outputIndex, outputLength);
Assert.AreEqual(expected, text);
}
public void TestCrossingWritePositionExample()
{
// http://msdn.microsoft.com/en-us/library/ee158471(v=exchg.80).aspx
var compressedRtfData = new byte[] {
// header
0x1a, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x4c, 0x5a, 0x46, 0x75, 0xe2, 0xd4, 0x4b, 0x51,
// data
0x41, 0x00, 0x04, 0x20, 0x57, 0x58, 0x59, 0x5a, 0x0d, 0x6e, 0x7d, 0x01, 0x0e, 0xb0
};
var expected = "{\\rtf1 WXYZWXYZWXYZWXYZWXYZ}";
var converter = new RtfCompressedToRtf();
int outputLength, outputIndex;
var decompressed = converter.Flush(compressedRtfData, 0, compressedRtfData.Length, out outputIndex, out outputLength);
var text = Encoding.UTF8.GetString(decompressed, outputIndex, outputLength);
Assert.AreEqual(expected, text, "Decompressed RTF data does not match.");
Assert.IsTrue(converter.IsValidCrc32, "Invalid CRC32 checksum.");
}
public void TestSimpleCompressedRtfExample()
{
// http://msdn.microsoft.com/en-us/library/ee217938(v=exchg.80).aspx
var compressedRtfData = new byte[] {
// header
0x2d, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x4c, 0x5a, 0x46, 0x75, 0xf1, 0xc5, 0xc7, 0xa7,
// data
0x03, 0x00, 0x0a, 0x00, 0x72, 0x63, 0x70, 0x67, 0x31, 0x32, 0x35, 0x42, 0x32, 0x0a, 0xf3, 0x20,
0x68, 0x65, 0x6c, 0x09, 0x00, 0x20, 0x62, 0x77, 0x05, 0xb0, 0x6c, 0x64, 0x7d, 0x0a, 0x80, 0x0f,
0xa0
};
var expected = "{\\rtf1\\ansi\\ansicpg1252\\pard hello world}\r\n";
var converter = new RtfCompressedToRtf();
int outputLength, outputIndex;
var decompressed = converter.Flush(compressedRtfData, 0, compressedRtfData.Length, out outputIndex, out outputLength);
var text = Encoding.UTF8.GetString(decompressed, outputIndex, outputLength);
Assert.AreEqual(expected, text, "Decompressed RTF data does not match.");
Assert.IsTrue(converter.IsValidCrc32, "Invalid CRC32 checksum.");
}