diff --git a/tests/check-array.cpp b/tests/check-array.cpp
index b3337b82..c0470d4d 100644
--- a/tests/check-array.cpp
+++ b/tests/check-array.cpp
@@ -58,4 +58,6 @@ void cmp_cont(array_int_t a, std::vector<int> b)
 }
 
 #define DEFAULT_NUMBER 1000000
+#define HAVE_RESERVE
+#define HAVE_RESIZE
 #include "check-generic.hpp"
diff --git a/tests/check-generic.hpp b/tests/check-generic.hpp
index ff279993..c777ea13 100644
--- a/tests/check-generic.hpp
+++ b/tests/check-generic.hpp
@@ -44,7 +44,7 @@
 #define CONT_NAME_(CONT_OPL) M_GET_NAME CONT_OPL
 #define CONT_NAME            CONT_NAME_(CONT_OPL)
 
-#define MAX_TEST 25
+#define MAX_TEST 28
 
 #ifdef HAVE_REVERSE_IT
 // Scan the C++ sequence in reverse
@@ -380,6 +380,27 @@ void test(int select_test, int index,
     break;
 #endif
 
+#ifdef HAVE_RESIZE
+  case 25:
+    index = (1 + (c1.size() < 1000000)) * (index % ( c1.size() + 1) );
+    M_C(CONT_NAME, _resize)(c0, index);
+    c1.resize(index);
+    break;
+#endif
+
+#ifdef HAVE_RESERVE
+  case 26:
+    index = c1.size() + ( index % (c1.size() + 1) );
+    M_C(CONT_NAME, _reserve)(c0, index);
+    c1.reserve(index);
+    break;
+
+  case 27:
+    M_C(CONT_NAME, _reserve)(c0, 0);
+    c1.shrink_to_fit();
+    break;
+#endif
+
     // SPLICE_BACK
     // SPLICE_AT
     // Needs SPLICE ?