Unit test for the extension bundle activator.
diff --git a/src/test/java/org/apache/sling/feature/apiregions/impl/ActivatorTest.java b/src/test/java/org/apache/sling/feature/apiregions/impl/ActivatorTest.java
new file mode 100644
index 0000000..3577535
--- /dev/null
+++ b/src/test/java/org/apache/sling/feature/apiregions/impl/ActivatorTest.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.apache.sling.feature.apiregions.impl;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.hooks.resolver.ResolverHookFactory;
+
+public class ActivatorTest {
+ @Test
+ public void testStart() throws Exception {
+ BundleContext bc = Mockito.mock(BundleContext.class);
+
+ Activator a = new Activator();
+ a.start(bc);
+
+ Mockito.verify(bc, Mockito.times(1)).registerService(
+ Mockito.eq(ResolverHookFactory.class),
+ Mockito.isA(RegionEnforcer.class),
+ Mockito.isNull());
+ }
+}
