Adds a test for child_pages macro failure.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8055 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/wiki_formatting/macros_test.rb

@@ -114,4 +114,8 @@ class Redmine::WikiFormatting::MacrosTest < ActionView::TestCase
     @project = Project.find(2)
     assert_equal expected, textilizable("{{child_pages(ecookbook:Another_page, parent=1)}}", :object => WikiPage.find(1).content)
   end
+
+  def test_macro_child_pages_without_wiki_page_should_fail
+    assert_match /can be called from wiki pages only/, textilizable("{{child_pages}}")
+  end
 end