public void EncodeTest3()
{
byte[] data = { 1, 2, 2, 1, 1, 2, 2 };
TestIEncodingInputStream inputStream = new TestIEncodingInputStream(data);
TestIEncodingOutputStream outputStream = new TestIEncodingOutputStream();
HuffmanEncoder encoder = new HuffmanEncoder();
EncodingToken token = encoder.CreateEncodingToken(inputStream, CancellationToken.None);
long length = encoder.Encode(inputStream, outputStream, token, CancellationToken.None, null);
Assert.IsNotNull(token.HuffmanTree);
Assert.IsNotNull(token.CodingTable);
WeightedSymbol?[] expected =
{
new WeightedSymbol(0, 7),
new WeightedSymbol(1, 3),
new WeightedSymbol(2, 4),
null,
null,
null,
null,
};
Assert.AreEqual(expected, token.HuffmanTree.FlattenValues());
Assert.AreEqual(7, length);
AssertOutputStream(outputStream, "0110011");
}
public void AddWeightsTableTest3()
{
TestIEncodingOutputStream stream = new TestIEncodingOutputStream();
builder.Initialize(new TestIPlatformService(), EmptyEncodingToken.Instance, stream);
WeightsTable weightsTable = new WeightsTable();
weightsTable.TrackSymbol(0x1);
weightsTable.TrackSymbol(symbol: 0xF, frequency: 0x5);
weightsTable.TrackSymbol(symbol: 0x2, frequency: 0xFFF);
weightsTable.TrackSymbol(symbol: 0xAF, frequency: 0xFFA);
weightsTable.TrackSymbol(0xFF);
builder.AddWeightsTable(new BootstrapSegment(weightsTable));
IReadOnlyList <Bit> bitList = BitListHelper.CreateBuilder()
.AddByte(0x2)
.AddInt(0x2D)
.AddByte(0x1)
.AddLong(0x1)
.AddByte(0x2)
.AddLong(0xFFF)
.AddByte(0xF)
.AddLong(0x5)
.AddByte(0xAF)
.AddLong(0xFFA)
.AddByte(0xFF)
.AddLong(0x1).BitList;
Assert.AreEqual(bitList, stream.BitList);
}
public void AddFileTest2()
{
byte[] data = { 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4 };
TestIPlatformService platform = new TestIPlatformService {
ReadFileFunc = x => new MemoryStream(data)
};
TestIEncodingOutputStream stream = new TestIEncodingOutputStream();
HuffmanEncoder encoder = new HuffmanEncoder();
builder.Initialize(platform, CreateEncodingToken(encoder, data), stream);
builder.AddFile(new FileSegment(@"data.bin", @"C:\data.bin"), CancellationToken.None, null);
IReadOnlyList <Bit> bitList = BitListHelper.CreateBuilder()
.AddByte(0x00)
.AddInt(0x10)
.AddChar('d')
.AddChar('a')
.AddChar('t')
.AddChar('a')
.AddChar('.')
.AddChar('b')
.AddChar('i')
.AddChar('n')
.AddLong(0x19)//bits
.AddByte(0x20)
.AddByte(0x55)
.AddByte(0xFF)
.AddByte(0x01).BitList;
Assert.AreEqual(bitList, stream.BitList);
}
public void AddFileTest1()
{
TestIPlatformService platform = new TestIPlatformService {
ReadFileFunc = x => new MemoryStream()
};
TestIEncodingOutputStream stream = new TestIEncodingOutputStream();
builder.Initialize(platform, EmptyEncodingToken.Instance, stream);
builder.AddFile(new FileSegment(@"file.bin", @"C:\file.bin"), CancellationToken.None, null);
IReadOnlyList <Bit> bitList = BitListHelper.CreateBuilder()
.AddByte(0x00)
.AddInt(0x10)
.AddChar('f')
.AddChar('i')
.AddChar('l')
.AddChar('e')
.AddChar('.')
.AddChar('b')
.AddChar('i')
.AddChar('n')
.AddLong(0x0).BitList;
Assert.AreEqual(bitList, stream.BitList);
}
public void EncodingProgressTest1(int size)
{
byte[] data = new byte[size];
TestIEncodingInputStream inputStream = new TestIEncodingInputStream(data);
TestIEncodingOutputStream outputStream = new TestIEncodingOutputStream();
HuffmanEncoder encoder = new HuffmanEncoder();
EncodingToken token = encoder.CreateEncodingToken(inputStream, CancellationToken.None);
TestIProgressHandler progress = new TestIProgressHandler();
encoder.Encode(inputStream, outputStream, token, CancellationToken.None, progress);
CollectionAssert.IsEmpty(progress.ValueList);
}
public void AddWeightsTableTest1()
{
TestIEncodingOutputStream stream = new TestIEncodingOutputStream();
builder.Initialize(new TestIPlatformService(), EmptyEncodingToken.Instance, stream);
builder.AddWeightsTable(new BootstrapSegment(new WeightsTable()));
IReadOnlyList <Bit> bitList = BitListHelper.CreateBuilder()
.AddByte(0x2)
.AddInt(0x0).BitList;
Assert.AreEqual(bitList, stream.BitList);
}
public void EncodeTest4()
{
byte[] data = { 1, 2, 2, 2, 2, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4 };
TestIEncodingInputStream inputStream = new TestIEncodingInputStream(data);
TestIEncodingOutputStream outputStream = new TestIEncodingOutputStream();
HuffmanEncoder encoder = new HuffmanEncoder();
EncodingToken token = encoder.CreateEncodingToken(inputStream, CancellationToken.None);
long length = encoder.Encode(inputStream, outputStream, token, CancellationToken.None, null);
Assert.IsNotNull(token.HuffmanTree);
Assert.IsNotNull(token.CodingTable);
Assert.AreEqual(54, length);
AssertOutputStream(outputStream, "110111111111111110111111111101010101010001010000000000");
}
public void EncodeTest1()
{
TestIEncodingInputStream inputStream = new TestIEncodingInputStream(new byte[0]);
TestIEncodingOutputStream outputStream = new TestIEncodingOutputStream();
HuffmanEncoder encoder = new HuffmanEncoder();
EncodingToken token = encoder.CreateEncodingToken(inputStream, CancellationToken.None);
long length = encoder.Encode(inputStream, outputStream, token, CancellationToken.None, null);
Assert.IsNotNull(token.HuffmanTree);
Assert.IsNotNull(token.CodingTable);
Assert.AreEqual(0, length);
CollectionAssert.IsEmpty(token.HuffmanTree.FlattenValues());
CollectionAssert.IsEmpty(outputStream.BitList);
}
public void AddDirectoryTest2()
{
TestIEncodingOutputStream stream = new TestIEncodingOutputStream();
builder.Initialize(new TestIPlatformService(), EmptyEncodingToken.Instance, stream);
builder.AddDirectory(new DirectorySegment("Directory", 3));
IReadOnlyList <Bit> bitList = BitListHelper.CreateBuilder()
.AddByte(0x1)
.AddInt(0x12)
.AddString("Directory")
.AddInt(0x3).BitList;
Assert.AreEqual(bitList, stream.BitList);
}
private void AssertOutputStream(TestIEncodingOutputStream stream, string expected)
{
IReadOnlyList <Bit> bitList = stream.BitList;
if (bitList.Count != expected.Length)
{
throw new AssertionException(nameof(stream));
}
for (int n = 0; n < bitList.Count; n++)
{
if (bitList[n] != CharToBit(expected[n]))
{
throw new AssertionException(nameof(stream));
}
}
}
public void EncodingProgressTest2()
{
byte[] data = new byte[27 * 1024];
TestIEncodingInputStream inputStream = new TestIEncodingInputStream(data);
TestIEncodingOutputStream outputStream = new TestIEncodingOutputStream();
HuffmanEncoder encoder = new HuffmanEncoder();
EncodingToken token = encoder.CreateEncodingToken(inputStream, CancellationToken.None);
TestIProgressHandler progress = new TestIProgressHandler();
for (int n = 0; n < 10; n++)
{
encoder.Encode(inputStream, outputStream, token, CancellationToken.None, progress);
inputStream.Reset();
}
CollectionAssert.AreEqual(new long[] { 128 * 1024, 128 * 1024 }, progress.ValueList);
}
public void EncodeTest2()
{
TestIEncodingInputStream inputStream = new TestIEncodingInputStream(new byte[] { 1 });
TestIEncodingOutputStream outputStream = new TestIEncodingOutputStream();
HuffmanEncoder encoder = new HuffmanEncoder();
EncodingToken token = encoder.CreateEncodingToken(inputStream, CancellationToken.None);
long length = encoder.Encode(inputStream, outputStream, token, CancellationToken.None, null);
Assert.IsNotNull(token.HuffmanTree);
Assert.IsNotNull(token.CodingTable);
WeightedSymbol?[] expected =
{
new WeightedSymbol(1, 1),
null,
null,
};
Assert.AreEqual(expected, token.HuffmanTree.FlattenValues());
Assert.AreEqual(1, length);
AssertOutputStream(outputStream, "0");
}