/**
     * Test for ConfigFile::setCfgUpdateReadMapping
     *
     * @return void
     * @test
     */
    public function testConfigReadMapping()
    {
        $this->object->setCfgUpdateReadMapping(
            array(
                'Servers/value1' => 'Servers/1/value1',
                'Servers/value2' => 'Servers/1/value2'
            )
        );
        $this->object->set('Servers/1/passthrough1', 1);
        $this->object->set('Servers/1/passthrough2', 2);
        $this->object->updateWithGlobalConfig(array('Servers/value1' => 3));

        $this->assertEquals(
            array('Servers' => array(
                1 => array(
                    'passthrough1' => 1,
                    'passthrough2' => 2,
                    'value1' => 3))),
            $this->object->getConfig()
        );
        $this->assertEquals(
            3,
            $this->object->get('Servers/1/value1')
        );
    }
/**
 * Common initialization for user preferences modification pages
 *
 * @param ConfigFile $cf Config file instance
 *
 * @return void
 */
function PMA_userprefsPageInit(ConfigFile $cf)
{
    $forms_all_keys = PMA_readUserprefsFieldNames($GLOBALS['forms']);
    $cf->resetConfigData();
    // start with a clean instance
    $cf->setAllowedKeys($forms_all_keys);
    $cf->setCfgUpdateReadMapping(array('Server/hide_db' => 'Servers/1/hide_db', 'Server/only_db' => 'Servers/1/only_db'));
    $cf->updateWithGlobalConfig($GLOBALS['cfg']);
}