clear() public method

Remove all attributes.
public clear ( )
 public function testSetDefault()
 {
     $a = new AttributesResolver();
     $a->setDefault('name', 'Yo! Symfony')->setDefault('title', 'Hi', 'string')->setDefault('host', 'localhost', 'string', false, true)->setDefault('port', 4000, 'int', false, false)->setDefault('path', '', 'string', true)->setValidator('port', function ($value) {
         return $value > 0 && $value <= 65535;
     });
     $result = $a->resolve(['name' => 'Yo! Symfony 2', 'path' => '/var/www']);
     $this->assertEquals(5, $a->count());
     $this->assertTrue(is_array($result));
     $this->assertEquals('Yo! Symfony 2', $result['name']);
     $this->assertEquals('Hi', $result['title']);
     $this->assertEquals('localhost', $result['host']);
     $this->assertEquals(4000, $result['port']);
     $this->assertEquals('/var/www', $result['path']);
     $a->remove('port');
     $this->assertEquals(4, $a->count());
     $this->assertFalse($a->hasdefault('port'));
     $a->remove(['path', 'host']);
     $this->assertEquals(2, $a->count());
     $this->assertFalse($a->hasdefault('path'));
     $this->assertFalse($a->hasdefault('host'));
     $a->clear();
     $this->assertEquals(0, $a->count());
 }