public function testAddQuery()
{
$u = new \Ark4ne\Helpers\URL('/Ark4ne?a=a&b[]=b');
$u->addParam('a', 'z');
$this->assertEquals(['a' => 'z', 'b' => ['b']], $u->getParams());
$this->assertEquals('?a=z&b[]=b', $u->getParamsString());
$u->addParam('c', 'c');
$this->assertEquals(['a' => 'z', 'b' => ['b'], 'c' => 'c'], $u->getParams());
$this->assertEquals('?a=z&b[]=b&c=c', $u->getParamsString());
$u->addParam('b', 'b1');
$this->assertEquals(['a' => 'z', 'b' => ['b', 'b1'], 'c' => 'c'], $u->getParams());
$this->assertEquals('?a=z&b[]=b&b[]=b1&c=c', $u->getParamsString());
$u->addParam('b', 'b1');
$this->assertEquals(['a' => 'z', 'b' => ['b', 'b1'], 'c' => 'c'], $u->getParams());
$this->assertEquals('?a=z&b[]=b&b[]=b1&c=c', $u->getParamsString());
$this->assertEquals('/Ark4ne?a=z&b[]=b&b[]=b1&c=c', (string) $u);
}
