public void EncodeTest1()
{
MockBitWriter io = new MockBitWriter();
Shannon shannon = new Shannon(io);
shannon.Encode(5);
Assert.AreEqual(io.values.Count(), 8);
Assert.AreEqual(io.values[0], false);
Assert.AreEqual(io.values[1], false);
Assert.AreEqual(io.values[2], false);
Assert.AreEqual(io.values[3], false);
Assert.AreEqual(io.values[4], false);
Assert.AreEqual(io.values[5], true);
Assert.AreEqual(io.values[6], false);
Assert.AreEqual(io.values[7], true);
io.Clear();
shannon.Encode(5);
Assert.AreEqual(io.values.Count(), 7);
Assert.AreEqual(io.values[0], false);
Assert.AreEqual(io.values[1], false);
Assert.AreEqual(io.values[2], false);
Assert.AreEqual(io.values[3], false);
Assert.AreEqual(io.values[4], false);
Assert.AreEqual(io.values[5], false);
Assert.AreEqual(io.values[6], false);
}
public void EncodeDecodeTest()
{
MockBitWriter io = new MockBitWriter();
Shannon encoder = new Shannon(io);
foreach (char character in "Lorem ipsum dolor sit amet consectetur adepiscig nullam")
{
encoder.Encode(character);
}
Shannon decoder = new Shannon(io);
foreach (char character in "Lorem ipsum dolor sit amet consectetur adepiscig nullam")
{
Assert.AreEqual(decoder.Decode(), character);
}
}
public void SameCharacterTest()
{
MockBitWriter writer = new MockBitWriter();
LZWAS encoder = new LZWAS(writer);
LZWAS decoder = new LZWAS(writer);
for (int i = 0; i < 10; i++)
{
encoder.Encode(42);
}
encoder.EncoderFinalize();
for (int i = 0; i < 10; i++)
{
byte actual = decoder.Decode();
Assert.AreEqual(42, actual);
}
}
public void LZWASTest()
{
MockBitWriter writer = new MockBitWriter();
LZWAS encoder = new LZWAS(writer);
LZWAS decoder = new LZWAS(writer);
foreach (byte character in V)
{
encoder.Encode(character);
}
encoder.EncoderFinalize();
string output = "";
foreach (byte character in V)
{
byte actual = decoder.Decode();
output += (char)actual;
Assert.AreEqual(character, actual);
}
}
public void DecodeTest()
{
MockBitWriter io = new MockBitWriter();
Shannon shannon = new Shannon(io);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(true);
io.WriteBit(false);
io.WriteBit(true);
Assert.AreEqual(shannon.Decode(), 5);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
io.WriteBit(false);
Assert.AreEqual(shannon.Decode(), 5);
}
