public function testSuccess()
{
$onExit = 'untouched';
$onFailure = 'untouched';
$onSuccess = 'untouched';
$scope = new Scope();
$scope->onExit(function () use(&$onExit) {
$onExit = 'touched';
});
$scope->onFailure(function () use(&$onFailure) {
$onFailure = 'touched';
});
$scope->onSuccess(function () use(&$onSuccess) {
$onSuccess = 'touched';
});
$this->assertEquals($onExit, 'untouched');
$this->assertEquals($onFailure, 'untouched');
$this->assertEquals($onSuccess, 'untouched');
$scope->markSuccessful();
unset($scope);
$this->assertEquals($onExit, 'touched');
$this->assertEquals($onFailure, 'untouched');
$this->assertEquals($onSuccess, 'touched');
}