CPAN::Groonga

   'second section',
                          'empty section'],
              'sections()');
    isnt($obj->sections, $sections, "second call to sections()");

    my $sections_h = $obj->sections_h;

          'empty section'  => 2,
                           },
              'sections_h()');
    isnt($obj->sections_h, $sections_h, "second call to sections_h()");

    is_deeply($obj->variables,  {

     };
  is_deeply($variables, $expected, 'variables()');
  my $variables_2 = $obj->variables;
  isnt($variables_2, $variables, 'second call to variables()');
  $variables->{foo} = {};
  $variables->