Add some bit utils and initial l77 encoder.

test/compression/TestStreamCompressor.cpp

@@ -2,6 +2,7 @@
 
 #include "HuffmanEncoder.h"
 #include "RunLengthEncoder.h"
+#include "Lz77Encoder.h"
 
 void test_run_length_encoder()
 {
@@ -34,13 +35,30 @@ void test_huffman_encoder()
 
     HuffmanEncoder encoder;
     encoder.encode(counts);
-
 }
 
+void test_lz77_encoder()
+{
+    std::string test_data = "sir sid eastman easily teases sea sick seals";
+    //std::string test_data = "sir sid eastman";
+
+    Lz77Encoder encoder;
+    auto encoded = encoder.encode(test_data);
+
+    std::cout << "Encoded: " << encoded << std::endl;
+
+    //auto decoded = encoder.decode(encoded);
+
+    //std::cout << "Decoded: " << decoded << std::endl;
+}
+
+
 int main()
 {
-    test_huffman_encoder();
+    //test_huffman_encoder();
 
     //test_run_length_encoder();
+
+    test_lz77_encoder();
     return 0;
 }