public function testAddParameter()
{
$parameter = new ParameterBag();
$parameter->add(array('name' => 'iqbal', 'status' => 'online'));
$this->assertArrayHasKey('name', $parameter->all());
$this->assertCount(2, $parameter->all());
$this->assertEquals('online', $parameter->get('status'));
$parameter->replace(array('foo' => 'bar'));
$this->assertArrayNotHasKey('name', $parameter->all());
$this->assertFalse($parameter->has('status'));
$this->assertCount(1, $parameter->all());
$this->assertEquals('bar', $parameter->get('foo'));
}
