1// Copyright (C) 2018 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15import {createEmptyState} from './empty_state'; 16import {getContainingTrackId, State, TrackKindPriority} from './state'; 17 18test('createEmptyState', () => { 19 const state: State = createEmptyState(); 20 expect(state.nextId).toEqual(0); 21}); 22 23test('getContainingTrackId', () => { 24 const state: State = createEmptyState(); 25 state.tracks['a'] = { 26 id: 'a', 27 engineId: 'engine', 28 kind: 'Foo', 29 name: 'a track', 30 trackKindPriority: TrackKindPriority.ORDINARY, 31 config: {}, 32 }; 33 34 state.tracks['b'] = { 35 id: 'b', 36 engineId: 'engine', 37 kind: 'Foo', 38 name: 'b track', 39 trackKindPriority: TrackKindPriority.ORDINARY, 40 config: {}, 41 trackGroup: 'containsB', 42 }; 43 44 expect(getContainingTrackId(state, 'z')).toEqual(null); 45 expect(getContainingTrackId(state, 'a')).toEqual(null); 46 expect(getContainingTrackId(state, 'b')).toEqual('containsB'); 47}); 48