Fixed a bug where the range of the records displayed on the last page doesn't match

closes #718

lib/kaminari/helpers/action_view_extension.rb

@@ -95,7 +95,7 @@ module Kaminari
         t('helpers.page_entries_info.one_page.display_entries', :entry_name => entry_name, :count => collection.total_count)
       else
         first = collection.offset_value + 1
-        last = collection.last_page? ? collection.total_count : collection.offset_value + collection.limit_value
+        last = (sum = collection.offset_value + collection.limit_value) > collection.total_count ? collection.total_count : sum
         t('helpers.page_entries_info.more_pages.display_entries', :entry_name => entry_name, :first => first, :last => last, :total => collection.total_count)
       end.html_safe
     end

spec/helpers/action_view_extension_spec.rb

@@ -209,6 +209,18 @@ describe 'Kaminari::ActionViewExtension', :if => defined?(Rails) do
             it      { should == 'Displaying members <b>26&nbsp;-&nbsp;50</b> of <b>50</b> in total' }
           end
         end
+
+        describe 'the last page' do
+          before do
+            User.max_pages_per 4
+            @users = User.page(4).per(10)
+          end
+
+          after { User.max_pages_per nil }
+
+          subject { helper.page_entries_info @users, :params => {:controller => 'users', :action => 'index'} }
+          it      { should == 'Displaying users <b>31&nbsp;-&nbsp;40</b> of <b>50</b> in total' }
+        end
       end
     end
     context 'on a model with namespace' do