@Test
public void test() throws IOException, ServletException {
Date now = new Date();
GwtCacheFilter filter = new GwtCacheFilter();
HttpServletRequest request = new MockHttpServletRequest("GET", "/profile.nocache.js");
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain();
filter.doFilter(request, response, chain);
Assert.assertTrue(response.containsHeader("Expires"));
Assert.assertTrue(now.after(new Date(Long.parseLong(response.getHeader("Expires")))));
request = new MockHttpServletRequest("GET", "/profile.XXXXXXX.cache.js");
response = new MockHttpServletResponse();
chain = new MockFilterChain();
filter.doFilter(request, response, chain);
Assert.assertTrue(response.containsHeader("Expires"));
Assert.assertTrue(now.before(new Date(Long.parseLong(response.getHeader("Expires")))));
}
