1/*
2 * Copyright (C) 2016 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 libcore.java.util.concurrent;
18
19import junit.framework.TestCase;
20
21import java.util.concurrent.ArrayBlockingQueue;
22import java.util.concurrent.ThreadPoolExecutor;
23import java.util.concurrent.TimeUnit;
24
25public class ThreadPoolExecutorTest extends TestCase {
26
27    // http://b/27702221
28    public void testCorePoolSizeGreaterThanMax() {
29        ThreadPoolExecutor tp = new ThreadPoolExecutor(
30                1 /* core pool size */, 1 /* max pool size */,
31                1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<>(10));
32
33        // It should be illegal to set a core pool size that's larger than the max
34        // pool size but apps have been allowed to get away with it so far. The pattern
35        // below occurs in a commonly used library. Note that the executor is in a sane
36        // state at the end of both method calls.
37        tp.setCorePoolSize(5);
38        tp.setMaximumPoolSize(5);
39    }
40}
41