assertThat(ClassUtil.getPackageName(getClass()), is("org.codelibs.core.lang"));
    }

    /**
     *
     */
    @Test
    public void testGetShortClassName() {
        assertThat(ClassUtil.getShortClassName(getClass().getName()), is("ClassUtilTest"));
    }

    /**
     *
     */
    @Test(expected = NoSuchConstructorRuntimeException.class)
    public void testGetConstructor() {

     *
     * @param className
     *            The class name. Must not be {@literal null} or empty.
     * @return The class name without the package name from the FQCN.
     */
    public static String getShortClassName(final String className) {
        assertArgumentNotEmpty("className", className);

        final int i = className.lastIndexOf('.');
        if (i > 0) {
            return className.substring(i + 1);
        }