Working on unit tests for class world

luprex/core/cpp/streambuffer.hpp

@@ -256,6 +256,9 @@ public:
     // Get the total number of bytes ever written to this buffer.
     int64_t total_writes() const;
 
+    // Amount of data inside the buffer.
+    int64_t fill() const;
+    
     // Discard all data.  Reset total read and write counts.
     // Frees up as much space as possible.
     void clear();
@@ -353,6 +356,9 @@ public:
     // Copy the entire contents of this streambuffer into another one.
     void copy_into(StreamBuffer *sb);
 
+    // Compare the contents of this streambuffer to another one.
+    bool contents_equal(const StreamBuffer *sb) const;
+
     // Calculate a noncryptographic but good hash of what's in the buffer.
     util::HashValue hash() const;