form.q = "test query";
        form.docId = "doc-123";

        assertEquals("test query", form.q);
        assertEquals("doc-123", form.docId);
    }

    @Test
    public void test_listForm_defaults() {
        final ListForm form = new ListForm();
        assertNull(form.q);
        assertNull(form.sort);
        assertNull(form.start);
        assertNull(form.num);
        assertNull(form.pn);