cinema

describe('Tests cinema', function () {
    describe('showMovies ', function () {
        it('assert with valid params', function () {
            assert.equal(
                cinema.showMovies(['King Kong', 'The Tomorrow War', 'Joker']),
                'King Kong, The Tomorrow War, Joker'
            );
            assert.equal(cinema.showMovies(['Joker']), 'Joker');
            assert.equal(
                cinema.showMovies([]),
                'There are currently no movies to show.'
            );
        });
    });

    describe('ticketPrice', function () {
        it('assert  with valid param', function () {
            assert.equal(cinema.ticketPrice('Premiere'), 12);
            assert.equal(cinema.ticketPrice('Normal'), 7.5);
             assert.equal(cinema.ticketPrice('Discount'), 5.5);
        });
        it('assert  with invalid param', function () {
            assert.throw(
                () => cinema.ticketPrice('Premi'),
                'Invalid projection type.'
            );
           assert.throw(
               () => cinema.ticketPrice(''),
               'Invalid projection type.'
           );
           assert.throw(
               () => cinema.ticketPrice(),
               'Invalid projection type.'
           );
        });
    });
    describe('swapSeatsInHall', function () {
        it('assert with valid params', function () {
            assert.equal(cinema.swapSeatsInHall(1, 20), 'Successful change of seats in the hall.');
            assert.equal(
                cinema.swapSeatsInHall(19, 20),
                'Successful change of seats in the hall.'
            );
            assert.equal(
                cinema.swapSeatsInHall(20, 19),
                'Successful change of seats in the hall.'
            );
        });
        it('assert with invalid params', function () {
            assert.equal(
                 cinema.swapSeatsInHall(20, 20),
                'Unsuccessful change of seats in the hall.'
            );
            assert.equal(
                cinema.swapSeatsInHall(0, 1),
                'Unsuccessful change of seats in the hall.'
            );
            assert.equal(
                cinema.swapSeatsInHall(1, 0),
                'Unsuccessful change of seats in the hall.'
            );
             assert.equal(
                 cinema.swapSeatsInHall(-1, 9),
                 'Unsuccessful change of seats in the hall.'
             );
              assert.equal(
                  cinema.swapSeatsInHall(2, -9),
                  'Unsuccessful change of seats in the hall.'
              );
              assert.equal(
                  cinema.swapSeatsInHall(2, 21),
                  'Unsuccessful change of seats in the hall.'
              );
              assert.equal(
                  cinema.swapSeatsInHall(21, 7),
                  'Unsuccessful change of seats in the hall.'
              );
              assert.equal(
                  cinema.swapSeatsInHall('9', 7),
                  'Unsuccessful change of seats in the hall.'
              );
              assert.equal(
                  cinema.swapSeatsInHall(9, '7'),
                  'Unsuccessful change of seats in the hall.'
              );
               assert.equal(
                   cinema.swapSeatsInHall(5.5, 7),
                   'Unsuccessful change of seats in the hall.'
               );
               assert.equal(
                   cinema.swapSeatsInHall(9, 4.6),
                   'Unsuccessful change of seats in the hall.'
               );

                assert.equal(
                    cinema.swapSeatsInHall(7,),
                    'Unsuccessful change of seats in the hall.'
                );
                assert.equal(
                    cinema.swapSeatsInHall(null, 6),
                    'Unsuccessful change of seats in the hall.'
                );
        });
    });
});