/**
* @return null
*/
public function testClearConnectionParams()
{
$key1 = 'param1';
$key2 = 'param2';
$key3 = 'param3';
$param1 = array('a' => 'value');
$param2 = array('b' => 'value');
$param3 = array('c' => 'value');
DbRegistry::addConnectionParams($key1, $param1);
DbRegistry::addConnectionParams($key2, $param2);
DbRegistry::addConnectionParams($key3, $param3);
$expected = array($key1 => new Dictionary($param1), $key2 => new Dictionary($param2), $key3 => new Dictionary($param3));
$this->assertEquals($expected, DbRegistry::getAllConnectionParams());
$this->assertNull(DbRegistry::clearConnectionParams());
$this->assertEquals(array(), DbRegistry::getAllConnectionParams());
}
