public function testNoConstructor()
{
$obj = Singleton::getInstance();
$refl = new \ReflectionObject($obj);
$meth = $refl->getMethod('__construct');
$this->assertTrue($meth->isPrivate());
}
public function testUniqueness()
{
$firstCall = Singleton::getInstance();
$secondCall = Singleton::getInstance();
$this->assertInstanceOf('DesignPatterns\\Creational\\Singleton\\Singleton', $firstCall);
$this->assertSame($firstCall, $secondCall);
}
public function test()
{
$firstCall = Singleton::getInstance();
$secondCall = Singleton::getInstance();
$thirdCall = Singleton::getInstance();
$fourthCall = new Singleton();
// FATAL ERROR;
}
/**
* @expectedException \DesignPatterns\Creational\Singleton\SingletonPatternViolationException
* @return void
*/
public function testNoSerializationAllowed()
{
$obj1 = Singleton::getInstance();
$serialized = serialize($obj1);
$obj2 = unserialize($serialized);
}
