diff --git a/test/testtype.cpp b/test/testtype.cpp
index b1a5a27..6ea3d30 100644
--- a/test/testtype.cpp
+++ b/test/testtype.cpp
@@ -492,8 +492,16 @@ void testOp()
     Value top(neckBolt());
     top["scalar.choice->one"] = 42;
 
-    (void)top.cloneEmpty();
-    (void)top.clone();
+    {
+        auto empty(top.cloneEmpty());
+        testFalse(empty.isMarked(true, true));
+    }
+    {
+        auto clone(top.clone());
+        testTrue(clone["scalar.choice"].isMarked());
+        clone["scalar.choice->one"] = 43;
+    }
+    testEq(top["scalar.choice->one"].as<int32_t>(), 42);
 }
 
 void testFormat()
@@ -663,7 +671,7 @@ void testAppendBig()
 
 MAIN(testtype)
 {
-    testPlan(71);
+    testPlan(74);
     testSetup();
     showSize();
     testCode();