Merge pull request diffblue#97 from diffblue/bugfix/range_union-test-warnings

Fixed warnings caused by unused variable

Author: NathanJPhillips

unit/range_union/main.cpp

@@ -1,10 +1,10 @@
 /*******************************************************************\
 
-Module: Serialization tests
+Module: Range union tests
 
 Author: [email protected]
 
-Purpose: Testing of virtual_map and related classes.
+Purpose: Testing of range_union.
 
 \*******************************************************************/
 
@@ -35,17 +35,29 @@ int main()
   const std::vector<std::string> cstrs = { "hic", "loc" };
   std::cout << "Trying to bind const references to const strings:";
   for(const std::string &str : range_union(cstrs, cstrs))
+  {
+    str.empty();
     std::cout << " yes!";
+  }
   std::cout << endl_ind;
   std::cout << "Trying to bind non-const references to non-const strings:";
   for(std::string &str : range_union(strs, strs))
+  {
+    str.empty();
     std::cout << " yes!";
+  }
   std::cout << endl_ind;
   std::cout << "Trying to bind const references to mixed strings:";
   for(const std::string &str : range_union(cstrs, strs))
+  {
+    str.empty();
     std::cout << " yes!";
+  }
   for(const std::string &str : range_union(strs, cstrs))
+  {
+    str.empty();
     std::cout << " yes!";
+  }
   std::cout << endl_ind;
   // If you could catch this sort of error then this test would be valid
   // try