1/*
2 * Copyright (C) 2015 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 */
16
17package android.car.apitest;
18
19import android.content.ComponentName;
20import android.content.ServiceConnection;
21import android.os.IBinder;
22import android.os.Looper;
23import android.car.Car;
24import android.test.AndroidTestCase;
25
26import java.util.concurrent.Semaphore;
27import java.util.concurrent.TimeUnit;
28
29public class CarApiTestBase extends AndroidTestCase {
30    protected static final long DEFAULT_WAIT_TIMEOUT_MS = 1000;
31
32    private Car mCar;
33
34    private final DefaultServiceConnectionListener mConnectionListener =
35            new DefaultServiceConnectionListener();
36
37    protected static void assertMainThread() {
38        assertTrue(Looper.getMainLooper().isCurrentThread());
39    }
40
41    @Override
42    protected void setUp() throws Exception {
43        super.setUp();
44        mCar = Car.createCar(getContext(), mConnectionListener);
45        mCar.connect();
46        mConnectionListener.waitForConnection(DEFAULT_WAIT_TIMEOUT_MS);
47    }
48
49    @Override
50    protected void tearDown() throws Exception {
51        super.tearDown();
52        mCar.disconnect();
53    }
54
55    protected synchronized Car getCar() {
56        return mCar;
57    }
58
59    protected static class DefaultServiceConnectionListener implements ServiceConnection {
60        private final Semaphore mConnectionWait = new Semaphore(0);
61
62        public void waitForConnection(long timeoutMs) throws InterruptedException {
63            mConnectionWait.tryAcquire(timeoutMs, TimeUnit.MILLISECONDS);
64        }
65
66        @Override
67        public void onServiceConnected(ComponentName name, IBinder service) {
68            assertMainThread();
69            mConnectionWait.release();
70        }
71
72        @Override
73        public void onServiceDisconnected(ComponentName name) {
74            assertMainThread();
75        }
76    }
77}
78