function testShouldChangeSubsite()
{
$l = new LeftAndMain();
Config::inst()->nest();
Config::inst()->update('CMSPageEditController', 'treats_subsite_0_as_global', false);
$this->assertTrue($l->shouldChangeSubsite('CMSPageEditController', 0, 5));
$this->assertFalse($l->shouldChangeSubsite('CMSPageEditController', 0, 0));
$this->assertTrue($l->shouldChangeSubsite('CMSPageEditController', 1, 5));
$this->assertFalse($l->shouldChangeSubsite('CMSPageEditController', 1, 1));
Config::inst()->update('CMSPageEditController', 'treats_subsite_0_as_global', true);
$this->assertFalse($l->shouldChangeSubsite('CMSPageEditController', 0, 5));
$this->assertFalse($l->shouldChangeSubsite('CMSPageEditController', 0, 0));
$this->assertTrue($l->shouldChangeSubsite('CMSPageEditController', 1, 5));
$this->assertFalse($l->shouldChangeSubsite('CMSPageEditController', 1, 1));
Config::inst()->unnest();
}