sosie024-collection-hash.tex

%org.apache.commons.collections4.map.AbstractHashedMap:396
\begin{figure}[ht]
\begin{lstlisting}[caption={\texttt{hash} in commons.collection},label={lst:coll-hash},language=java,numbers=left]
//original program
int hash(final Object key) {
    int h = key.hashCode();
    h += ~(h << 9); 
    h ^=  h >>> 14;
    h +=  h << 4;
    h ^=  h >>> 10;
    return h;}
// sosie  
int hash(final Object key) {
  int h = key.hashCode();
  %*{\textbf{\color{orange}the assignment is deleted or the following  statements are added}}*)
  %*{\textbf{\color{orange}h+= ~(h<< 11); }}*)
  %*{\textbf{\color{orange}this.h)++; }}*)
  %*{\textbf{\color{orange}h= (h* 37) + (h); }}*)
  %*{\textbf{\color{orange}h= --(h); }}*)
  %*{\textbf{\color{orange}h= h; }}*)
  %*{\textbf{\color{orange}size -= nCopies; }}*)
  %*{\textbf{\color{orange}h += h << 4; }}*)
  h ^=  h >>> 14;
  h +=  h << 4;
  h ^=  h >>> 10;
  return h;}
\end{lstlisting}
\tabcolsep=0.11cm
\begin{tabular}{>{\small}c>{\small}c>{\small}c>{\small}c>{\small}c>{\small}c>{\small}c>{\small}c}
\hline
\rowcolor{lightgray} \#tc & \#assert & transfo & node & min & max & median & mean   \\
\rowcolor{lightgray}  & & type & type & depth  & depth & depth & depth  \\ 
\hline
 &  & del,add &  &  &  &  & \\
\hline
\end{tabular}
\end{figure}

%*{\textbf{\color{orange}hash ^= hash >>> 6; }}*)
%*{\textbf{\color{orange}h ^= h >>> 10;}}*)