public function testIsShared()
{
$di = new DI();
$di->setShared('date', function (DI $di) {
return uniqid();
});
$di->set('time', function (DI $di) {
return time();
});
$this->assertTrue($di->isShared('date'));
$this->assertFalse($di->isShared('time'));
}
