public static void notEmpty(String str, String msg) {
        if (null == str || "".equals(str)) {
            throw new IllegalArgumentException(msg);
        }
    }
@Test(expected = IllegalArgumentException.class)
    public void testNotEmpty() {
        Assert.notEmpty("", "Not Empty");
        Assert.notEmpty(new String[]{}, "Arr Empty");
        Assert.notNull(null, "Not null");
    }