diff --git a/test/model/booking_collection_test.dart b/test/model/booking_collection_test.dart
new file mode 100644
index 0000000..3bdb8bd
--- /dev/null
+++ b/test/model/booking_collection_test.dart
@@ -0,0 +1,132 @@
+import 'dart:collection';
+
+import 'package:cabin_booking/model.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('BookingCollection', () {
+    group('.fromJson()', () {
+      test('should create a new BookingCollection from two JSON arrays', () {
+        const rawBookingCollection = {
+          'b': [
+            {
+              'id': 'booking-1-id',
+              'cd': '1969-07-20T20:18:04.000Z',
+              'md': '1969-07-20T20:18:04.000Z',
+              'mc': 1,
+              'sd': '2022-12-04T09:00:00.000Z',
+              'ed': '2022-12-04T10:30:00.000Z',
+              'de': 'Student 1',
+              'il': true,
+            },
+            {
+              'id': 'booking-2-id',
+              'cd': '1969-07-20T20:18:04.000Z',
+              'md': '1969-07-20T20:18:04.000Z',
+              'mc': 1,
+              'sd': '2022-12-05T20:00:00.000Z',
+              'ed': '2022-12-05T21:00:00.000Z',
+              'de': 'Student 2',
+              'il': false,
+            },
+          ],
+          'rb': [
+            {
+              'id': 'recurring-booking-id',
+              'cd': '1969-07-20T20:18:04.000Z',
+              'md': '1969-07-20T20:18:04.000Z',
+              'mc': 1,
+              'sd': '2022-12-04T09:00:00.000Z',
+              'ed': '2022-12-04T10:30:00.000Z',
+              'de': 'Student 3',
+              'il': false,
+              'p': 1,
+              're': 1,
+              'red': '2023-02-04T00:00:00.000Z',
+            },
+          ],
+        };
+        expect(
+          BookingCollection.fromJson(rawBookingCollection),
+          BookingCollection(
+            bookings: SplayTreeSet.of({
+              SingleBooking(
+                id: 'booking-1-id',
+                startDate: DateTime.utc(2022, 12, 4, 9),
+                endDate: DateTime.utc(2022, 12, 4, 10, 30),
+                description: 'Student 1',
+                isLocked: true,
+              ),
+              SingleBooking(
+                id: 'booking-2-id',
+                startDate: DateTime.utc(2022, 12, 5, 20),
+                endDate: DateTime.utc(2022, 12, 5, 21),
+                description: 'Student 2',
+              ),
+            }),
+            recurringBookings: SplayTreeSet.of({
+              RecurringBooking(
+                id: 'recurring-booking-id',
+                startDate: DateTime.utc(2022, 12, 4, 9),
+                endDate: DateTime.utc(2022, 12, 4, 10, 30),
+                description: 'Student 3',
+                recurringEndDate: DateTime.utc(2023, 2, 4),
+              ),
+            }),
+          ),
+        );
+      });
+    });
+
+    group('.toJson()', () {
+      test(
+        'should return a JSON object representation of this BookingCollection',
+        () {
+          const rawBookingCollection = {
+            'b': [
+              {
+                'id': 'booking-1-id',
+                'cd': '1969-07-20T20:18:04.000Z',
+                'md': '1969-07-20T20:18:04.000Z',
+                'mc': 1,
+                'sd': '2022-12-04T09:00:00.000Z',
+                'ed': '2022-12-04T10:30:00.000Z',
+                'de': 'Student 1',
+                'il': true,
+              },
+              {
+                'id': 'booking-2-id',
+                'cd': '1969-07-20T20:18:04.000Z',
+                'md': '1969-07-20T20:18:04.000Z',
+                'mc': 1,
+                'sd': '2022-12-05T20:00:00.000Z',
+                'ed': '2022-12-05T21:00:00.000Z',
+                'de': 'Student 2',
+                'il': false,
+              },
+            ],
+            'rb': [
+              {
+                'id': 'recurring-booking-id',
+                'cd': '1969-07-20T20:18:04.000Z',
+                'md': '1969-07-20T20:18:04.000Z',
+                'mc': 1,
+                'sd': '2022-12-04T09:00:00.000Z',
+                'ed': '2022-12-04T10:30:00.000Z',
+                'de': 'Student 3',
+                'il': false,
+                'p': 1,
+                're': 1,
+                'red': '2023-02-04T00:00:00.000Z',
+              },
+            ],
+          };
+          expect(
+            BookingCollection.fromJson(rawBookingCollection).toJson(),
+            rawBookingCollection,
+          );
+        },
+      );
+    });
+  });
+}
diff --git a/test/model/main.dart b/test/model/main.dart
index c555ca8..7fc6f09 100644
--- a/test/model/main.dart
+++ b/test/model/main.dart
@@ -1,5 +1,6 @@
 import 'booking/recurring_booking_test.dart' as recurring_booking_test;
 import 'booking/single_booking_test.dart' as single_booking_test;
+import 'booking_collection_test.dart' as booking_collection_test;
 import 'cabin/cabin_elements_test.dart' as cabin_elements_test;
 import 'cabin/cabin_test.dart' as cabin_test;
 import 'cabin/piano_test.dart' as piano_test;
@@ -13,6 +14,7 @@ import 'school_year/school_year_test.dart' as school_year_test;
 void main() {
   recurring_booking_test.main();
   single_booking_test.main();
+  booking_collection_test.main();
   cabin_elements_test.main();
   cabin_test.main();
   piano_test.main();