| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package com.android.quicksearchbox.util; |
| |
| import android.test.AndroidTestCase; |
| import android.test.suitebuilder.annotation.MediumTest; |
| |
| import java.util.concurrent.ThreadFactory; |
| |
| /** |
| * Tests for {@link PriorityThreadFactory}. |
| */ |
| @MediumTest |
| public class PriorityThreadFactoryTest extends AndroidTestCase { |
| |
| public void testPriority() throws InterruptedException { |
| priorityTest(android.os.Process.THREAD_PRIORITY_BACKGROUND); |
| priorityTest(android.os.Process.THREAD_PRIORITY_DEFAULT); |
| priorityTest(android.os.Process.THREAD_PRIORITY_FOREGROUND); |
| } |
| |
| /** |
| * Helper method for {@link #testPriority()}. |
| */ |
| private void priorityTest(int priority) throws InterruptedException { |
| ThreadFactory factory = new PriorityThreadFactory(priority); |
| CheckPriorityRunnable r = new CheckPriorityRunnable(); |
| Thread t = factory.newThread(r); |
| t.start(); |
| assertEquals(priority, r.getPriority()); |
| } |
| |
| /** |
| * Helper class for {@link #priorityTest(int)}. |
| */ |
| private static class CheckPriorityRunnable implements Runnable { |
| private Integer mPriority = null; |
| public synchronized int getPriority() throws InterruptedException { |
| while (mPriority == null) { |
| wait(); |
| } |
| return mPriority.intValue(); |
| } |
| public synchronized void run() { |
| int tid = android.os.Process.myTid(); |
| mPriority = new Integer(android.os.Process.getThreadPriority(tid)); |
| notify(); |
| } |
| } |
| |
| } |