Add test for empty packages

atomos.tests/atomos.tests.index.bundles/src/test/java/org/apache/felix/atomos/tests/index/bundles/IndexLaunchTest.java

@@ -26,6 +26,7 @@
 import java.net.URL;
 import java.nio.file.Path;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -48,11 +49,17 @@
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.BundleException;
 import org.osgi.framework.Constants;
+import org.osgi.framework.FrameworkUtil;
 import org.osgi.framework.InvalidSyntaxException;
 import org.osgi.framework.ServiceReference;
 import org.osgi.framework.Version;
 import org.osgi.framework.launch.Framework;
+import org.osgi.framework.namespace.PackageNamespace;
 import org.osgi.framework.wiring.BundleWiring;
+import org.osgi.framework.wiring.FrameworkWiring;
+import org.osgi.resource.Namespace;
+import org.osgi.resource.Requirement;
+import org.osgi.resource.Resource;
 
 public class IndexLaunchTest
 {
@@ -305,6 +312,14 @@ void doTestFindEntries(@TempDir Path storage, String indexPath,
         }
     }
 
+    @Test
+    void testEmptyDirectoryPackages(@TempDir Path storage) throws BundleException {
+        testFramework = getTestFramework(storage, null);
+        Bundle b3 = FrameworkUtil.getBundle(TestClass.class);
+        assertNotNull(b3, "no bundle found.");
+        assertEquals("bundle.3", b3.getSymbolicName(), "Wrong BSN");
+    }
+
     private void assertContent(String expected, URL url) throws IOException
     {
         try (BufferedReader br = new BufferedReader(

atomos.tests/atomos.tests.index.bundles/src/test/java/org/apache/felix/atomos/tests/index/bundles/TestClass.java

@@ -0,0 +1,18 @@
+/*
+ * 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.apache.felix.atomos.tests.index.bundles;
+
+public class TestClass {
+    // nothing needed here; just need a class to load
+}

atomos.tests/atomos.tests.index.bundles/src/test/resources/atomos/bundles.index

@@ -53,6 +53,7 @@ org/apache/felix/atomos/
 org/apache/felix/atomos/tests/
 org/apache/felix/atomos/tests/index/
 org/apache/felix/atomos/tests/index/bundles/
+org/apache/felix/atomos/tests/index/bundles/TestClass.java
 org/apache/felix/atomos/tests/index/bundles/b3/
 org/apache/felix/atomos/tests/index/bundles/b3/ActivatorBundle3.class
 ATOMOS_BUNDLE