diff --git a/echosvg-test/src/test/java/io/sf/carte/echosvg/util/ClassFileUtilitiesTest.java b/echosvg-test/src/test/java/io/sf/carte/echosvg/util/ClassFileUtilitiesTest.java
new file mode 100644
index 000000000..df5efb579
--- /dev/null
+++ b/echosvg-test/src/test/java/io/sf/carte/echosvg/util/ClassFileUtilitiesTest.java
@@ -0,0 +1,59 @@
+/*
+
+   See the NOTICE file distributed with this work for additional
+   information regarding copyright ownership.
+
+   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 io.sf.carte.echosvg.util;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import io.sf.carte.echosvg.test.TestLocations;
+import io.sf.carte.echosvg.util.ClassFileUtilities.ClassFile;
+import io.sf.carte.echosvg.util.ClassFileUtilities.Jar;
+
+/**
+ * This test validates that the ClassFileUtilities work properly.
+ *
+ * @version $Id$
+ */
+public class ClassFileUtilitiesTest {
+
+	@Test
+	public void testCollectJars() throws Exception {
+		URL url = new URL(TestLocations.PROJECT_ROOT_URL);
+		collectJarsTest(url.getFile() + "test-resources/io/sf/carte/echosvg/bridge", 4, 6);
+	}
+
+	private void collectJarsTest(String dir, int jarCount, int classCount)
+			throws SecurityException, IOException {
+		File f = new File(dir);
+		Map<String, Jar> jars = new HashMap<>();
+		Map<String, ClassFile> classFiles = new HashMap<>();
+		ClassFileUtilities.collectJars(f, jars, classFiles);
+
+		assertEquals(jarCount, jars.size());
+		assertEquals(classCount, classFiles.size());
+	}
+
+}
diff --git a/echosvg-util/src/main/java/io/sf/carte/echosvg/util/ClassFileUtilities.java b/echosvg-util/src/main/java/io/sf/carte/echosvg/util/ClassFileUtilities.java
index 05e83a198..3249a9fda 100644
--- a/echosvg-util/src/main/java/io/sf/carte/echosvg/util/ClassFileUtilities.java
+++ b/echosvg-util/src/main/java/io/sf/carte/echosvg/util/ClassFileUtilities.java
@@ -215,7 +215,7 @@ public int compareTo(Triple o) {
 		}
 	}
 
-	private static void collectJars(File dir, Map<String, Jar> jars, Map<String, ClassFile> classFiles)
+	static void collectJars(File dir, Map<String, Jar> jars, Map<String, ClassFile> classFiles)
 			throws IOException, SecurityException {
 		File[] files = dir.listFiles();
 		if (files != null) {