1 files changed, 16 insertions, 0 deletions
diff --git a/clustercontroller-utils/src/test/java/com/yahoo/vespa/clustercontroller/utils/util/JSONObjectWrapperTest.java b/clustercontroller-utils/src/test/java/com/yahoo/vespa/clustercontroller/utils/util/JSONObjectWrapperTest.java
new file mode 100644
index 00000000000..160ef498023
--- /dev/null
+++ b/clustercontroller-utils/src/test/java/com/yahoo/vespa/clustercontroller/utils/util/JSONObjectWrapperTest.java
@@ -0,0 +1,16 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.clustercontroller.utils.util;
+
+import junit.framework.TestCase;
+
+public class JSONObjectWrapperTest extends TestCase {
+
+    public void testExceptionWrapping() {
+        JSONObjectWrapper wrapper = new JSONObjectWrapper();
+        try{
+            wrapper.put(null, "foo");
+        } catch (NullPointerException e) {
+            assertEquals("Null key.", e.getMessage());
+        }
+    }
+}