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Rooted by: Restaurant
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  • Code 
    class ReservationSystem {
  
  int reserved = 0;
  
  public boolean request(String date, String name, String phone, int size) {
    if (reserved + size > 12) {
      return false;
    }
    
    reserved += size;
    return reserved > 0;
  }
}
     Test Cases 
    import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.assertFalse;


// TODO: Replace examples and use TDD by writing your own tests

class reservationTest {
    @Test
    void requestReservation() {
      ReservationSystem reservationSystem = new ReservationSystem();
      boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 1);
      assertTrue(accepted);
    }
  
    @Test
    void requestReservation_over_max_capacity_not_accepted() {
      ReservationSystem reservationSystem = new ReservationSystem();
      boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 13);
      assertFalse(accepted);
    }
  
    @Test
    void requestReservation_requires_at_least_1_in_party() {
      ReservationSystem reservationSystem = new ReservationSystem();
      boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 0);
      assertFalse(accepted);
    }
  
    @Test
    void requestReservation_considers_existing_reservations() {
      ReservationSystem reservationSystem = new ReservationSystem();
      reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 12);
      boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 1);
      assertFalse(accepted);
    }
}
    View Run Output
  • Code
    • class ReservationSystem {
    • int reserved = 0;
    • public boolean request(String date, String name, String phone, int size) {
    • return true;
    • if (reserved + size > 12) {
    • return false;
    • }
    • reserved += size;
    • return reserved > 0;
    • }
    • }
     Test Cases
    • import org.junit.jupiter.api.Test;
    • import static org.junit.jupiter.api.Assertions.assertEquals;
    • import static org.junit.jupiter.api.Assertions.assertTrue;
    • import static org.junit.jupiter.api.Assertions.assertFalse;
    • // TODO: Replace examples and use TDD by writing your own tests
    • class reservationTest {
    • @Test
    • void testSomething() {
    • void requestReservation() {
    • ReservationSystem reservationSystem = new ReservationSystem();
    • boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 1);
    • assertTrue(accepted);
    • }
    • @Test
    • void requestReservation_over_max_capacity_not_accepted() {
    • ReservationSystem reservationSystem = new ReservationSystem();
    • boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 13);
    • assertFalse(accepted);
    • }
    • @Test
    • void requestReservation_requires_at_least_1_in_party() {
    • ReservationSystem reservationSystem = new ReservationSystem();
    • boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 0);
    • assertFalse(accepted);
    • }
    • @Test
    • void requestReservation_considers_existing_reservations() {
    • ReservationSystem reservationSystem = new ReservationSystem();
    • reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 12);
    • boolean accepted = reservationSystem.request("01/01/2023", "Jones", "216-123-4567", 1);
    • assertFalse(accepted);
    • }
    • }