assertEquals(2, result.length);
        assertEquals("value1", result[0]);
        assertEquals("value2", result[1]);
    }

    public void test_getParamValueArray_withNullParam() {
        MockHttpServletRequest request = new MockHttpServletRequest();
        String[] result = SearchRequestParams.getParamValueArray(request, "nonexistent");
        assertEquals(0, result.length);
    }