@Test
    void verifyClasspathResourceDirectory() {
        val url = getClass().getClassLoader().getResource("META-INF/additional-spring-configuration-metadata.json");
        assertNotNull(url);
        val file = new File(url.toExternalForm()).getParentFile();
        assertTrue(ResourceUtils.isJarResource(new ClassPathResource(file.getPath())));
    }
This is {@link ResourceUtilsTests}.

@author Misagh Moayyed
@since 5.3.0
core/cas-server-core-util/src/test/java/org/apereo/cas/util/ResourceUtilsTests.java