diff --git a/core/api/src/test/java/org/onosproject/ui/table/cell/AppIdFormatterTest.java b/core/api/src/test/java/org/onosproject/ui/table/cell/AppIdFormatterTest.java
new file mode 100644
index 0000000..e74fb47
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/ui/table/cell/AppIdFormatterTest.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package org.onosproject.ui.table.cell;
+
+import org.junit.Test;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.ui.table.CellFormatter;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Unit tests for {@link AppIdFormatter}.
+ */
+public class AppIdFormatterTest {
+
+    private static final ApplicationId APP_ID = new ApplicationId() {
+        @Override
+        public short id() {
+            return 25;
+        }
+
+        @Override
+        public String name() {
+            return "some app";
+        }
+    };
+
+    private CellFormatter fmt = AppIdFormatter.INSTANCE;
+
+    @Test
+    public void basic() {
+        assertEquals("wrong format", "25 : some app", fmt.format(APP_ID));
+    }
+
+}