diff --git a/utest/VirtualSchematikaMachine.test.cpp b/utest/VirtualSchematikaMachine.test.cpp
index 9c70f85c..0a2ba92f 100644
--- a/utest/VirtualSchematikaMachine.test.cpp
+++ b/utest/VirtualSchematikaMachine.test.cpp
@@ -6,6 +6,8 @@
 #include <xo/interpreter2/VirtualSchematikaMachine.hpp>
 #include <xo/object2/DFloat.hpp>
 #include <xo/object2/number/IGCObject_DFloat.hpp>
+#include <xo/object2/DInteger.hpp>
+#include <xo/object2/number/IGCObject_DInteger.hpp>
 
 #ifdef NOT_YET
 #include <xo/reader2/SchematikaParser.hpp>
@@ -27,6 +29,7 @@ namespace xo {
     using xo::scm::VsmConfig;
     using xo::scm::VsmResultExt;
     using xo::scm::DFloat;
+    using xo::scm::DInteger;
     using xo::mm::AGCObject;
     using xo::mm::MemorySizeInfo;
     using xo::facet::FacetRegistry;
@@ -62,6 +65,25 @@ namespace xo {
             VsmConfig cfg;
             VirtualSchematikaMachine vsm(cfg);
 
+            auto visitor = [&log](const MemorySizeInfo & info) {
+                log && log(xtag("resource", info.resource_name_),
+                           xtag("used", info.used_),
+                           xtag("alloc", info.allocated_),
+                           xtag("commit", info.committed_),
+                           xtag("resv", info.reserved_));
+            };
+
+            FacetRegistry::instance().visit_pools(visitor);
+            vsm.visit_pools(visitor);
+        }
+
+        TEST_CASE("VirtualSchematikaMachine-const1", "[interpreter2][VSM]")
+        {
+            scope log(XO_DEBUG(true));
+
+            VsmConfig cfg;
+            VirtualSchematikaMachine vsm(cfg);
+
             bool eof_flag = false;
 
             vsm.begin_interactive_session();
@@ -90,6 +112,43 @@ namespace xo {
             vsm.visit_pools(visitor);
         }
 
+        TEST_CASE("VirtualSchematikaMachine-const2", "[interpreter2][VSM]")
+        {
+            scope log(XO_DEBUG(true));
+
+            VsmConfig cfg;
+            VirtualSchematikaMachine vsm(cfg);
+
+            bool eof_flag = false;
+
+            vsm.begin_interactive_session();
+            VsmResultExt res = vsm.read_eval_print(span_type::from_cstr("1011;"), eof_flag);
+
+            REQUIRE(res.is_value());
+            REQUIRE(res.value());
+
+            log && log(xtag("res.tseq", res.value()->_typeseq()));
+
+            auto x = obj<AGCObject,DInteger>::from(*res.value());
+
+            REQUIRE(x);
+            REQUIRE(x.data()->value() == 1011);
+
+            REQUIRE(res.remaining_.size() == 1);
+            REQUIRE(*res.remaining_.lo() == '\n');
+
+            auto visitor = [&log](const MemorySizeInfo & info) {
+                log && log(xtag("resource", info.resource_name_),
+                           xtag("used", info.used_),
+                           xtag("alloc", info.allocated_),
+                           xtag("commit", info.committed_),
+                           xtag("resv", info.reserved_));
+            };
+
+            FacetRegistry::instance().visit_pools(visitor);
+            vsm.visit_pools(visitor);
+        }
+
     } /*namespace ut*/
 } /*namespace xo*/