public void BasicTest()
{
string textToCompress = "thisisthe";
LZWCompressionResultModel actual = LZWCompressionService.PerformLZWCompression(
new LZWCompressionDataModel {
DataToCompress = textToCompress
});
var expectedDictionary = new List <Pair <byte[], int> >
{
new Pair <byte[], int>(new byte[] { (byte)'e' }, 'e'),
new Pair <byte[], int>(new byte[] { (byte)'h' }, 'h'),
new Pair <byte[], int>(new byte[] { (byte)'i' }, 'i'),
new Pair <byte[], int>(new byte[] { (byte)'s' }, 's'),
new Pair <byte[], int>(new byte[] { (byte)'t' }, 't'),
new Pair <byte[], int>(new byte[] { (byte)'t', (byte)'h' }, 256),
new Pair <byte[], int>(new byte[] { (byte)'h', (byte)'i' }, 257),
new Pair <byte[], int>(new byte[] { (byte)'i', (byte)'s' }, 258),
new Pair <byte[], int>(new byte[] { (byte)'s', (byte)'i' }, 259),
new Pair <byte[], int>(new byte[] { (byte)'i', (byte)'s', (byte)'t' }, 260),
new Pair <byte[], int>(new byte[] { (byte)'t', (byte)'h', (byte)'e' }, 261),
};
LZWCompressionResultModel expected = new LZWCompressionResultModel(
Encoding.Default.GetBytes(textToCompress),
new List <int> {
116, 104, 105, 115, 258, 256, 101
},
expectedDictionary);
Assert.AreEqual(expected.GetValuesOfCompressedData(), actual.GetValuesOfCompressedData());
Assert.AreEqual(expected.GetHexValuesOfCompressedData(), actual.GetHexValuesOfCompressedData());
Assert.AreEqual(expected.GetBinaryValuesOfCompressedData(), actual.GetBinaryValuesOfCompressedData());
Assert.AreEqual(expected.CompressionDegree, actual.CompressionDegree);
var x = expected.GetCodeIndexDictionary();
var y = actual.GetCodeIndexDictionary();
Assert.AreEqual(x.Count(), y.Count);
for (int i = 0; i < x.Count() && i < y.Count; i++)
{
Assert.AreEqual(x[i].Key, y[i].Key);
Assert.AreEqual(x[i].Value, y[i].Value);
}
}
private void DoCompressionAsync(object sender, DoWorkEventArgs e)
{
this.result = LZWCompressionService.PerformLZWCompression(this.model);
}
