Some comments in the testcases separating test groups.

test/slist_test.cpp

@@ -120,27 +120,33 @@ int main ()
          }
       }
    }
-
+   ////////////////////////////////////
+   //    Testing allocator implementations
+   ////////////////////////////////////
+   //       std:allocator
    if(test_cont_variants< std::allocator<void> >()){
       std::cerr << "test_cont_variants< std::allocator<void> > failed" << std::endl;
       return 1;
    }
-
+   //       boost::container::allocator
    if(test_cont_variants< allocator<void> >()){
       std::cerr << "test_cont_variants< allocator<void> > failed" << std::endl;
       return 1;
    }
-
+   //       boost::container::node_allocator
    if(test_cont_variants< node_allocator<void> >()){
       std::cerr << "test_cont_variants< node_allocator<void> > failed" << std::endl;
       return 1;
    }
-
+   //       boost::container::adaptive_pool
    if(test_cont_variants< adaptive_pool<void> >()){
       std::cerr << "test_cont_variants< adaptive_pool<void> > failed" << std::endl;
       return 1;
    }
 
+   ////////////////////////////////////
+   //    Emplace testing
+   ////////////////////////////////////
    const test::EmplaceOptions Options = (test::EmplaceOptions)
       (test::EMPLACE_FRONT | test::EMPLACE_AFTER | test::EMPLACE_BEFORE  | test::EMPLACE_AFTER);
 
@@ -148,6 +154,9 @@ int main ()
       < slist<test::EmplaceInt>, Options>())
       return 1;
 
+   ////////////////////////////////////
+   //    Allocator propagation testing
+   ////////////////////////////////////
    if(!boost::container::test::test_propagate_allocator<slist>())
       return 1;
 }