$t->is($ph->has('foo'), false, '->remove() removes the key from parameters');
$ph->remove('myfoo');
$t->is($ph->has('myfoo'), false, '->remove() removes the key from parameters');
$t->is($ph->has('myfoo', 'symfony/mynamespace'), true, '->remove() removes the key from parameters for a given namespace');
$ph->remove('myfoo', null, 'symfony/mynamespace');
$t->is($ph->has('myfoo', 'symfony/mynamespace'), false, '->remove() takes a namespace as its third argument');
$t->is($ph->remove('nonexistant', 'foobar', 'symfony/mynamespace'), 'foobar', '->remove() takes a default value as its second argument');
$t->is($ph->getAll(), null, '->remove() removes the key from parameters');
// ->removeNamespace()
$t->diag('->removeNamespace()');
$ph = new sfNamespacedParameterHolder();
$ph->set('foo', 'bar');
$ph->set('myfoo', 'bar');
$ph->set('myfoo', 'bar', 'symfony/mynamespace');
$ph->removeNamespace($ph->getDefaultNamespace());
$t->is($ph->has('foo'), false, '->removeNamespace() removes all keys and values from a namespace');
$t->is($ph->has('myfoo'), false, '->removeNamespace() removes all keys and values from a namespace');
$t->is($ph->has('myfoo', 'symfony/mynamespace'), true, '->removeNamespace() does not remove keys in other namepaces');
$ph->set('foo', 'bar');
$ph->set('myfoo', 'bar');
$ph->set('myfoo', 'bar', 'symfony/mynamespace');
$ph->removeNamespace();
$t->is($ph->has('foo'), false, '->removeNamespace() removes all keys and values from the default namespace by default');
$t->is($ph->has('myfoo'), false, '->removeNamespace() removes all keys and values from the default namespace by default');
$t->is($ph->has('myfoo', 'symfony/mynamespace'), true, '->removeNamespace() does not remove keys in other namepaces');
$ph->removeNamespace('symfony/mynamespace');
$t->is($ph->has('myfoo', 'symfony/mynamespace'), false, '->removeNamespace() takes a namespace as its first parameter');
$t->is(null, $ph->getAll(), '->removeNamespace() removes all the keys from parameters');
// ->set()
$t->diag('->set()');
$foo = 'bar';
$myparameters = array('myfoo' => 'bar', 'mybar' => 'bar');
$ph = new sfNamespacedParameterHolder();
$ph->add($parameters);
$ph->add($myparameters, 'symfony/mynamespace');
$t->is($ph->getAll(), $parameters, '->add() adds an array of parameters');
$t->is($ph->getAll('symfony/mynamespace'), $myparameters, '->add() takes a namespace as its second argument');
$foo = 'mybar';
$t->is($ph->getAll(), $parameters, '->add() adds an array of parameters, not a reference');
// ->addByRef()
$t->diag('->addByRef()');
$foo = 'bar';
$parameters = array('foo' => &$foo, 'bar' => 'bar');
$myparameters = array('myfoo' => 'bar', 'mybar' => 'bar');
$ph = new sfNamespacedParameterHolder();
$ph->addByRef($parameters);
$ph->addByRef($myparameters, 'symfony/mynamespace');
$t->is($parameters, $ph->getAll(), '->add() adds an array of parameters');
$t->is($myparameters, $ph->getAll('symfony/mynamespace'), '->add() takes a namespace as its second argument');
$foo = 'mybar';
$t->is($parameters, $ph->getAll(), '->add() adds a reference of an array of parameters');
// ->serialize() ->unserialize()
$t->diag('->serialize() ->unserialize()');
$t->ok($ph == unserialize(serialize($ph)), 'sfNamespacedParameterHolder implements the Serializable interface');
// Array path as a key
$t->diag('Array path as a key');
$ph = new sfNamespacedParameterHolder();
$ph->add(array('foo' => array('bar' => 'foo')));
$t->is($ph->has('foo[bar]'), true, '->has() can takes a multi-array key');
$t->is($ph->get('foo[bar]'), 'foo', '->has() can takes a multi-array key');
$t->is($ph->remove('foo[bar]'), 'foo', '->remove() can takes a multi-array key');
$t->is($ph->getAll(), array('foo' => array()), '->remove() can takes a multi-array key');
