Convert lz77 to use fixed buffer sizes.

test/compression/TestLz77Encoder.cpp

@@ -0,0 +1,32 @@
+#include <iostream>
+
+#include "Lz77Encoder.h"
+#include "BufferBitStream.h"
+
+int main()
+{
+    std::vector<unsigned> values {0, 10, 11, 12, 10, 11, 12, 0, 13, 14, 15, 10, 11, 12};
+
+    //std::vector<unsigned> values {0, 1, 2, 3, 0, 1, 2, 3, 0,1};
+
+    BufferBitStream input_stream;
+    for (auto value : values)
+    {
+        input_stream.writeByte(value);
+    }
+
+    BufferBitStream output_stream;
+
+    Lz77Encoder encoder(&input_stream, &output_stream);
+
+    encoder.encode();
+
+    auto hit_buffer = encoder.getHitBuffer();
+    for(const auto& hit : hit_buffer)
+    {
+        const auto& [length, distance, next_char] = hit;
+        std::cout << "Got hit " << length << " | " << distance << " | " << static_cast<int>(next_char) << std::endl;
+    }
+
+    return 0;
+}