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 */
16
17package android.content;
18
19import static org.junit.Assert.fail;
20
21import android.support.test.InstrumentationRegistry;
22import android.support.test.filters.SmallTest;
23import android.support.test.runner.AndroidJUnit4;
24
25import org.junit.Before;
26import org.junit.Test;
27import org.junit.runner.RunWith;
28
29@RunWith(AndroidJUnit4.class)
30@SmallTest
31public class BroadcastReceiverTests {
32
33    private static final int RECEIVER_LIMIT_PER_APP = 1000;
34    private static final class EmptyReceiver extends BroadcastReceiver {
35        @Override
36        public void onReceive(Context context, Intent intent) {
37            // Empty
38        }
39    }
40    private Context mContext;
41
42    @Before
43    public void setUp() {
44        mContext = InstrumentationRegistry.getTargetContext();
45    }
46
47    @Test
48    public void testReceiverLimit() {
49        final IntentFilter mockFilter = new IntentFilter("android.content.tests.TestAction");
50        try {
51            for (int i = 0; i < RECEIVER_LIMIT_PER_APP + 1; i++) {
52                mContext.registerReceiver(new EmptyReceiver(), mockFilter);
53            }
54            fail("No exception thrown when registering "
55                    + (RECEIVER_LIMIT_PER_APP + 1) + " receivers");
56        } catch (IllegalStateException ise) {
57            // Expected
58        }
59    }
60}
61