Fixed #15653 - Error in admin pagination tag.

            # ON_EACH_SIDE links at either end of the "current page" link.

            page_range = []

            if page_num > (ON_EACH_SIDE + ON_ENDS):

                page_range.extend(range(0, ON_EACH_SIDE - 1))

                page_range.extend(range(0, ON_ENDS))

                page_range.append(DOT)

                page_range.extend(range(page_num - ON_EACH_SIDE, page_num + 1))

            else:

from django.contrib import admin

from django.contrib.admin.options import IncorrectLookupParameters

from django.contrib.admin.templatetags.admin_list import pagination

from django.contrib.admin.views.main import ChangeList, SEARCH_VAR, ALL_VAR

from django.contrib.auth.models import User

from django.core.urlresolvers import reverse

        response = m.changelist_view(request)

        self.assertEqual(response.context_data['cl'].list_filter, ('parent', 'name', 'age'))

    def test_pagination_page_range(self):

        """

        Regression tests for ticket #15653: ensure the number of pages

        generated for changelist views are correct.

        """

        # instantiating and setting up ChangeList object

        m = GroupAdmin(Group, admin.site)

        request = self.factory.get('/group/')

        cl = ChangeList(request, Group, m.list_display,

                m.list_display_links, m.list_filter, m.date_hierarchy,

                m.search_fields, m.list_select_related, m.list_per_page,

                m.list_max_show_all, m.list_editable, m)

        per_page = cl.list_per_page = 10

        for page_num, objects_count, expected_page_range in [

            (0, per_page, []),

            (0, per_page * 2, range(2)),

            (5, per_page * 11, list(range(11))),

            (5, per_page * 12, [0, 1, 2, 3, 4, 5, 6, 7, 8, '.', 10, 11]),

            (6, per_page * 12, [0, 1, '.', 3, 4, 5, 6, 7, 8, 9, 10, 11]),

            (6, per_page * 13, [0, 1, '.', 3, 4, 5, 6, 7, 8, 9, '.', 11, 12]),

        ]:

            # assuming we have exactly `objects_count` objects

            Group.objects.all().delete()

            for i in range(objects_count):

                Group.objects.create(name='test band')

            # setting page number and calculating page range

            cl.page_num = page_num

            cl.get_results(request)

            real_page_range = pagination(cl)['page_range']

            self.assertEqual(

                expected_page_range,

                real_page_range,

            )

class AdminLogNodeTestCase(TestCase):

    def test_get_admin_log_templatetag_custom_user(self):