1 files changed, 107 insertions, 0 deletions

diff --git a/src/unit/hashtable.cpp b/src/unit/hashtable.cpp
new file mode 100644
index 0000000..b2e1cf5
--- /dev/null
+++ b/src/unit/hashtable.cpp
@@ -0,0 +1,107 @@
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <cpptest.h>
+#include <string.h>
+#include <set>
+#include <map>
+
+#include "hashfunctionstring.h"
+#include "hashfunctioncasestring.h"
+#include "hashfunctionint.h"
+
+class HashFunctionSuite : public Test::Suite
+{
+public:
+        HashFunctionSuite()
+        {
+                TEST_ADD( HashFunctionSuite::functionString )
+                TEST_ADD( HashFunctionSuite::functionCaseString )
+                TEST_ADD( HashFunctionSuite::functionInt )
+        }
+
+private:
+        void functionStringWorker( HashFunction &hf, std::set<unsigned long> &sCodes, char *str, int nLevel, int nMax )
+        {
+                for( char let = 'A'; let <= 'z'; let += 3 )
+                {
+                        str[nLevel+1] = '\0';
+                        str[nLevel] = let;
+                        unsigned long x = hf.hash( str );
+                        TEST_ASSERT( sCodes.find( x ) == sCodes.end() );
+                        TEST_ASSERT( hf.cmpIDs( str, str ) );
+                        sCodes.insert( x );
+
+                        if( nLevel < nMax )
+                                functionStringWorker( hf, sCodes, str, nLevel+1, nMax );
+                }
+        }
+        
+        void functionString()
+        {
+                HashFunctionString hf;
+                char str[10];
+
+                std::set<unsigned long> sCodes;
+
+                functionStringWorker( hf, sCodes, str, 0, 3 );
+        }
+        
+        void functionCaseStringWorker( HashFunction &hf, std::map<unsigned long, char *> &sCodes, char *str, int nLevel, int nMax )
+        {
+                for( char let = 'A'; let <= 'z'; let += 3 )
+                {
+                        str[nLevel+1] = '\0';
+                        str[nLevel] = let;
+                        unsigned long x = hf.hash( str );
+                        std::map<unsigned long, char *>::iterator i = sCodes.find( x );
+                        if( i == sCodes.end() )
+                        {
+                                sCodes[x] = strdup( str );
+                        }
+                        else
+                        {
+                                TEST_ASSERT( strcasecmp( (*i).second, str ) == 0 );
+                                TEST_ASSERT( hf.cmpIDs( (*i).second, str ) == true );
+                        }
+
+                        if( nLevel < nMax )
+                                functionCaseStringWorker( hf, sCodes, str, nLevel+1, nMax );
+                }
+        }
+        
+        void functionCaseString()
+        {
+                HashFunctionCaseString hf;
+                char str[10];
+
+                std::map<unsigned long, char *> sCodes;
+
+                functionCaseStringWorker( hf, sCodes, str, 0, 3 );
+
+                std::map<unsigned long, char *>::iterator i;
+                for( i = sCodes.begin(); i != sCodes.end(); i++ )
+                {
+                        free( (*i).second );
+                }
+        }
+
+        void functionInt()
+        {
+                HashFunctionInt hf;
+
+                for( long i = -100000; i <= 100000; i += 100 )
+                {
+                        TEST_ASSERT( ((long)hf.hash( (void *)i )) == i );
+                        TEST_ASSERT( ((long)hf.cmpIDs( (void *)i, (void *)i )) );
+                }
+        }
+};
+
+int main( int argc, char *argv[] )
+{
+        Test::TextOutput output( Test::TextOutput::Verbose );
+        HashFunctionSuite ts;
+        return ts.run( output ) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+