code coverage fix

Author: MungoG

test/unit/body_write_stream.cpp

@@ -657,19 +657,21 @@ struct body_write_stream_test
 
         // async_read_some reads the body for various chunk
         // sizes.
-        if (false) {
-            int sizes[] = { 1, 2, 5, 13, 233, 1597, 10'000, 100'000 };
+        if (true) {
+            int sizes[] = { 1, 2, 13, 1597, 100'000 };
             // Iterate through buffer sizes
             for(std::size_t bs: sizes)
             {
                 std::cout << "bs: " << bs << std::endl;
                 // Iterate through chunk sizes
                 for(std::size_t cs : sizes)
                 {
-                    if(cs > bs / 100)
+                    if(cs > bs / 10000)
                     {
-                        std::cout << "bs: " << bs << " cs: " << cs << std::endl;
-                        single_tester().test_with_chunking(bs, cs);
+                        int iters = std::min((size_t)10, (cs / bs) + 1);
+                        std::cout << "bs: " << bs << " cs: " << cs
+                                  << " iters: " << iters <<  std::endl;
+                        single_tester().test_with_chunking(bs, cs, iters);
                     }
                 }
             }