function testSetGroupMemberSet() { $pdo = $this->getPDO(); // Start situation $backend = new PDO($pdo); $this->assertEquals(array('principals/user'), $backend->getGroupMemberSet('principals/group')); // Removing all principals $backend->setGroupMemberSet('principals/group', array()); $this->assertEquals(array(), $backend->getGroupMemberSet('principals/group')); // Adding principals again $backend->setGroupMemberSet('principals/group', array('principals/user')); $this->assertEquals(array('principals/user'), $backend->getGroupMemberSet('principals/group')); }