public function testProperty()
{
$property = new Definition\Property();
$property->add(array('username' => 'iqbal', 'password' => 'opensource'));
$this->assertTrue($property->has('username'));
$this->assertCount(2, $property->all());
$this->assertEquals('opensource', $property->get('password'));
$property->replace(array('error' => 'not logged in'));
$this->assertCount(1, $property->all());
$this->assertFalse($property->has('username'));
$this->assertTrue($property->has('error'));
$this->assertNull($property->get('password'));
}
