@Test
public void testIsStaticUtilityClass() throws Exception {

    String[] utils = {
        "java.lang.System",
        "java.nio.channels.Channels",
        "java.util.Collections",
        "javax.mail.internet.MimeUtility",
        "org.junit.Assert"
    };
    testIsStaticUtilityClass(utils, true);
    String[] obj = {
        "java.lang.Exception",
        "java.lang.Object",
        "java.lang.Runtime",
        "java.io.Serializable"
    };
    testIsStaticUtilityClass(obj, false);
    String[] enumerations = {
        "java.util.concurrent.TimeUnit"
    };
    testIsStaticUtilityClass(enumerations, false);
}