@SuppressWarnings("unchecked")
@Test
public void testGetParamValues() {

    Map<String, String[]> paramMap = createMock(Map.class);
    expect(requestDelegate.getParamValues()).andReturn(paramMap);
    replay(applicationContext, request, response, paramMap, portletContext, requestDelegate, responseDelegate);
    assertEquals(paramMap, req.getParamValues());
    verify(applicationContext, request, response, paramMap, portletContext, requestDelegate, responseDelegate);
}