1 files changed, 9 insertions, 0 deletions
diff --git a/container-search/src/test/java/com/yahoo/prelude/fastsearch/SlimeSummaryTestCase.java b/container-search/src/test/java/com/yahoo/prelude/fastsearch/SlimeSummaryTestCase.java
index 83871b559b4..1b74a6c5b29 100644
--- a/container-search/src/test/java/com/yahoo/prelude/fastsearch/SlimeSummaryTestCase.java
+++ b/container-search/src/test/java/com/yahoo/prelude/fastsearch/SlimeSummaryTestCase.java
@@ -31,6 +31,7 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
 
 public class SlimeSummaryTestCase {
 
@@ -286,6 +287,14 @@ public class SlimeSummaryTestCase {
             assertEquals(field.getValue(), expected.get(field.getKey()));
         }
         assertEquals(expected.size(), fieldIteratorFieldCount);
+        // field traverser
+        Map<String, Object> traversed = new HashMap<>();
+        hit.forEachField((name, value) -> {
+            if (traversed.containsKey(name))
+                fail("Multiple callbacks for " + name);
+            traversed.put(name, value);
+        });
+        assertEquals(expected, traversed);
     }
 
     private byte[] emptySummary() {