/**
* Tests the methods for getting, setting and clearing the default
* service provider.
*/
public function testGetDefaultAndSetDefault()
{
DI::clearDefault();
// guard condition
$di = DI::getDefault();
// get a fresh default
$this->assertInstanceOf('Vectorface\\SnappyRouter\\Di\\Di', $di);
DI::setDefault($di);
$this->assertEquals($di, DI::getDefault());
}