parameters.set("param2", "p2");
PageProvider provider = new PageProvider(MockPage.class, parameters);
provider.setPageSource(context);
IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
Url url = placeholderEncoder.mapHandler(handler);
assertEquals("some/p1/path/p2/i1/i2?a=b&b=c", url.toString());
}