@Test
public void testQuery01() throws Exception {

    assertThat(Functions.query(null), is(""));
    assertThat(Functions.query(""), is(""));
    assertThat(Functions.query("aaaa"), is(""));
    assertThat(Functions.query(1), is(""));
    assertThat(Functions.query(1.0), is(""));
    assertThat(Functions.query(1L), is(""));
    assertThat(Functions.query(new Date()), is(""));
    assertThat(Functions.query(Locale.getDefault()), is(""));
    assertThat(Functions.query(new URL("http://google.com")), is(""));
    assertThat(Functions.query(new Object[] { "1", "2", "3" }), is(""));
    assertThat(Functions.query(new int[] { 1, 2, 3 }), is(""));
    assertThat(Functions.query(Arrays.asList("a", "b", "c")), is(""));
}