public function testIsBlackjack() { $hand = new Hand(); $hand->add(new Card(new Rank(Rank::ACE))); $hand->add(new Card(new Rank(Rank::KING))); $this->assertTrue($hand->isBlackjack()); $hand = new Hand(); $hand->add(new Card(new Rank(Rank::ACE))); $hand->add(new Card(new Rank(Rank::KING))); $hand->add(new Card(new Rank(Rank::ACE))); $this->assertFalse($hand->isBlackjack()); $hand = new Hand(); $hand->add(new Card(new Rank(5))); $hand->add(new Card(new Rank(Rank::JACK))); $this->assertFalse($hand->isBlackjack()); }