diff --git a/eo/test/t-eoInitPermutation.cpp b/eo/test/t-eoInitPermutation.cpp
new file mode 100644
index 000000000..4090128be
--- /dev/null
+++ b/eo/test/t-eoInitPermutation.cpp
@@ -0,0 +1,68 @@
+//-----------------------------------------------------------------------------
+// t-eoInitPermutation.cpp
+//-----------------------------------------------------------------------------
+
+#include <eo>
+
+#include <eoInt.h>
+
+//-----------------------------------------------------------------------------
+
+typedef eoInt<double> Chrom;
+
+//-----------------------------------------------------------------------------
+
+
+double real_value(const Chrom & _chrom)
+{
+  double sum = 0;
+  for (unsigned i = 0; i < _chrom.size(); i++)
+      sum += _chrom[i];
+  return sum/_chrom.size();
+}
+
+// Return true if the given chromosome corresponds to a permutation
+// There must be an nicer way to do it (set?) ...
+bool check_permutation(const Chrom & _chrom)
+{
+	for (unsigned i = 0; i < _chrom.size(); ++i)
+		for (unsigned j = 0; j < _chrom.size(); ++j)
+			if(i!=j)
+				if(_chrom[i]==_chrom[j]){
+						 std::cout << " Error: Wrong permutation !" << std::endl;
+						 std::string s;
+						 s.append( " Wrong permutation in t-eoInitPermutation");
+	    				 throw std::runtime_error( s );	
+				}
+	return true;				
+}
+
+int main()
+{
+  const unsigned POP_SIZE = 8, CHROM_SIZE = 16;
+  unsigned i;
+
+   // a chromosome randomizer
+  eoInitPermutation <Chrom> random(CHROM_SIZE);
+  
+   // the population: 
+  eoPop<Chrom> pop;
+	
+   // Evaluation
+  eoEvalFuncPtr<Chrom> eval(  real_value );
+ 
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      Chrom chrom(CHROM_SIZE);
+      std::cout << " Initial chromosome n°" << i << " : " << chrom << "..." <<  std::endl;
+      random(chrom);
+      eval(chrom);
+      std::cout << " ... becomes : " << chrom << " after initialization" << std::endl;
+      check_permutation(chrom);
+      pop.push_back(chrom);
+    }
+    
+  return 0;
+}
+
+//-----------------------------------------------------------------------------
diff --git a/eo/test/t-eoInt.cpp b/eo/test/t-eoInt.cpp
new file mode 100644
index 000000000..279803ce3
--- /dev/null
+++ b/eo/test/t-eoInt.cpp
@@ -0,0 +1,24 @@
+//-----------------------------------------------------------------------------
+// t-eoInt.cpp
+//-----------------------------------------------------------------------------
+
+#include <eo>
+#include <eoInt.h>
+
+//-----------------------------------------------------------------------------
+
+typedef eoInt<double> Chrom;
+
+//-----------------------------------------------------------------------------
+
+int main()
+{
+  Chrom chrom1, chrom2;
+
+  std::cout << "chrom1 = " << chrom1 << std::endl
+       << "chrom2 = " << chrom2 << std::endl;
+
+  return 0;
+}
+
+//-----------------------------------------------------------------------------
diff --git a/eo/test/t-eoShiftMutation.cpp b/eo/test/t-eoShiftMutation.cpp
new file mode 100644
index 000000000..928cdf306
--- /dev/null
+++ b/eo/test/t-eoShiftMutation.cpp
@@ -0,0 +1,78 @@
+//-----------------------------------------------------------------------------
+// t-eoShiftMutation.cpp
+//-----------------------------------------------------------------------------
+
+#include <eo>
+
+#include <eoInt.h>
+#include <eoShiftMutation.h>
+
+//-----------------------------------------------------------------------------
+
+typedef eoInt<double> Chrom;
+
+//-----------------------------------------------------------------------------
+
+
+double real_value(const Chrom & _chrom)
+{
+  double sum = 0;
+  for (unsigned i = 0; i < _chrom.size(); i++)
+      sum += _chrom[i];
+  return sum/_chrom.size();
+}
+
+// Return true if the given chromosome corresponds to a permutation
+// There must be an nicer way to do it (set?) ...
+bool check_permutation(const Chrom & _chrom)
+{
+	for (unsigned i = 0; i < _chrom.size(); ++i)
+		for (unsigned j = 0; j < _chrom.size(); ++j)
+			if(i!=j)
+				if(_chrom[i]==_chrom[j]){
+						 std::cout << " Error: Wrong permutation !" << std::endl;
+						 std::string s;
+						 s.append( " Wrong permutation in t-eoShiftMutation");
+	    				 throw std::runtime_error( s );	
+				}
+	return true;				
+}
+
+
+int main()
+{
+  const unsigned POP_SIZE = 3, CHROM_SIZE = 8;
+  unsigned i;
+
+   // a chromosome randomizer
+  eoInitPermutation <Chrom> random(CHROM_SIZE);
+  
+   // the population: 
+  eoPop<Chrom> pop;
+	
+  // Evaluation
+  eoEvalFuncPtr<Chrom> eval(  real_value );
+ 
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      Chrom chrom(CHROM_SIZE);
+      random(chrom);
+      eval(chrom);
+      pop.push_back(chrom);
+    }
+       
+  // a shift mutation
+  eoShiftMutation <Chrom> shift;
+  
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      std::cout << " Initial chromosome n°" << i << " : " << pop[i] << "..." <<  std::endl;
+      shift(pop[i]);
+      std::cout << " ... becomes : " << pop[i] << " after shift mutation" << std::endl;
+      check_permutation(pop[i]);
+    }
+   
+  return 0;
+}
+
+//-----------------------------------------------------------------------------
diff --git a/eo/test/t-eoSwapMutation.cpp b/eo/test/t-eoSwapMutation.cpp
new file mode 100644
index 000000000..af35b42fd
--- /dev/null
+++ b/eo/test/t-eoSwapMutation.cpp
@@ -0,0 +1,79 @@
+//-----------------------------------------------------------------------------
+// t-eoSwapMutation.cpp
+//-----------------------------------------------------------------------------
+
+#include <eo>
+
+#include <eoInt.h>
+#include <eoSwapMutation.h>
+
+//-----------------------------------------------------------------------------
+
+typedef eoInt<double> Chrom;
+
+//-----------------------------------------------------------------------------
+
+
+double real_value(const Chrom & _chrom)
+{
+  double sum = 0;
+  for (unsigned i = 0; i < _chrom.size(); i++)
+      sum += _chrom[i];
+  return sum/_chrom.size();
+}
+
+// Return true if the given chromosome corresponds to a permutation
+// There must be an nicer way to do it (set?) ...
+bool check_permutation(const Chrom & _chrom)
+{
+	for (unsigned i = 0; i < _chrom.size(); ++i)
+		for (unsigned j = 0; j < _chrom.size(); ++j)
+			if(i!=j)
+				if(_chrom[i]==_chrom[j]){
+						 std::cout << " Error: Wrong permutation !" << std::endl;
+						 std::string s;
+						 s.append( " Wrong permutation in t-eoSwapMutation");
+	    				 throw std::runtime_error( s );	
+				}
+	return true;				
+}
+
+
+int main()
+{
+  const unsigned POP_SIZE = 8, CHROM_SIZE = 16;
+  unsigned i;
+
+   // a chromosome randomizer
+  eoInitPermutation <Chrom> random(CHROM_SIZE);
+  
+   // the population: 
+  eoPop<Chrom> pop;
+	
+   // Evaluation
+  eoEvalFuncPtr<Chrom> eval(  real_value );
+ 
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      Chrom chrom(CHROM_SIZE);
+      random(chrom);
+      eval(chrom);
+      pop.push_back(chrom);
+    }
+    
+    
+  // a swap mutation
+  eoSwapMutation <Chrom> swap;
+  
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      std::cout << " Initial chromosome n°" << i << " : " << pop[i] << "..." <<  std::endl;
+      swap(pop[i]);
+      std::cout << " ... becomes : " << pop[i] << " after swap mutation" << std::endl;
+      check_permutation(pop[i]);
+    }
+    
+  return 0;
+}
+
+//-----------------------------------------------------------------------------
diff --git a/eo/test/t-eoTwoOptMutation.cpp b/eo/test/t-eoTwoOptMutation.cpp
new file mode 100644
index 000000000..bfc68fe6e
--- /dev/null
+++ b/eo/test/t-eoTwoOptMutation.cpp
@@ -0,0 +1,78 @@
+//-----------------------------------------------------------------------------
+// t-eoTwoOptMutation.cpp
+//-----------------------------------------------------------------------------
+
+#include <eo>
+
+#include <eoInt.h>
+#include <eoTwoOptMutation.h>
+
+//-----------------------------------------------------------------------------
+
+typedef eoInt<double> Chrom;
+
+//-----------------------------------------------------------------------------
+
+
+double real_value(const Chrom & _chrom)
+{
+  double sum = 0;
+  for (unsigned i = 0; i < _chrom.size(); i++)
+      sum += _chrom[i];
+  return sum/_chrom.size();
+}
+
+// Return true if the given chromosome corresponds to a permutation
+// There must be an nicer way to do it (set?) ...
+bool check_permutation(const Chrom & _chrom)
+{
+	for (unsigned i = 0; i < _chrom.size(); ++i)
+		for (unsigned j = 0; j < _chrom.size(); ++j)
+			if(i!=j)
+				if(_chrom[i]==_chrom[j]){
+						 std::cout << " Error: Wrong permutation !" << std::endl;
+						 std::string s;
+						 s.append( " Wrong permutation in t-eoTwoOptMutation");
+	    				 throw std::runtime_error( s );	
+				}
+	return true;				
+}
+
+
+int main()
+{
+  const unsigned POP_SIZE = 3, CHROM_SIZE = 8;
+  unsigned i;
+
+   // a chromosome randomizer
+  eoInitPermutation <Chrom> random(CHROM_SIZE);
+  
+   // the population: 
+  eoPop<Chrom> pop;
+	
+  // Evaluation
+  eoEvalFuncPtr<Chrom> eval(  real_value );
+ 
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      Chrom chrom(CHROM_SIZE);
+      random(chrom);
+      eval(chrom);
+      pop.push_back(chrom);
+    }
+       
+  // a twoOpt mutation
+  eoTwoOptMutation <Chrom> twoOpt;
+  
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      std::cout << " Initial chromosome n°" << i << " : " << pop[i] << "..." <<  std::endl;
+      twoOpt(pop[i]);
+      std::cout << " ... becomes : " << pop[i] << " after twoOpt mutation" << std::endl;
+      check_permutation(pop[i]);
+    }
+   
+  return 0;
+}
+
+//-----------------------------------------------------------------------------