diff --git a/src/test-vector.cc b/src/test-vector.cc
index 0a0ce40a2..d179a64d2 100644
--- a/src/test-vector.cc
+++ b/src/test-vector.cc
@@ -26,6 +26,7 @@
 #include "hb.hh"
 #include "hb-vector.hh"
 #include "hb-set.hh"
+#include "hb-map.hh"
 #include <string>
 
 
@@ -164,5 +165,17 @@ main (int argc, char **argv)
     v2.remove (50);
   }
 
+  {
+    hb_vector_t<hb_set_t> v;
+    hb_set_t s {1, 5, 7};
+    v.push (s);
+  }
+
+  {
+    hb_vector_t<hb_set_t> v;
+    hb_map_t m;
+    v.push (m);
+  }
+
   return 0;
 }