1
2// Copyright (C) 2018 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8//      http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16import {Registry} from './registry';
17
18interface Registrant {
19  kind: string;
20  n: number;
21}
22
23test('registry returns correct registrant', () => {
24  const registry = new Registry<Registrant>();
25
26  const a: Registrant = {kind: 'a', n: 1};
27  const b: Registrant = {kind: 'b', n: 2};
28  registry.register(a);
29  registry.register(b);
30
31  expect(registry.get('a')).toBe(a);
32  expect(registry.get('b')).toBe(b);
33});
34
35test('registry throws error on kind collision', () => {
36  const registry = new Registry<Registrant>();
37
38  const a1: Registrant = {kind: 'a', n: 1};
39  const a2: Registrant = {kind: 'a', n: 2};
40
41  registry.register(a1);
42  expect(() => registry.register(a2)).toThrow();
43});
44
45test('registry throws error on non-existent track', () => {
46  const registry = new Registry<Registrant>();
47  expect(() => registry.get('foo')).toThrow();
48});
49