| /* |
| * Copyright (C) 2006 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. |
| */ |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Test some basic thread stuff. |
| */ |
| public class Main { |
| public static void main(String[] args) throws Exception { |
| System.out.println("thread test starting"); |
| testThreadCapacity(); |
| testThreadDaemons(); |
| testSleepZero(); |
| System.out.println("thread test done"); |
| } |
| |
| /* |
| * Simple thread capacity test. |
| */ |
| private static void testThreadCapacity() throws Exception { |
| TestCapacityThread[] threads = new TestCapacityThread[512]; |
| for (int i = 0; i < 512; i++) { |
| threads[i] = new TestCapacityThread(); |
| } |
| |
| for (TestCapacityThread thread : threads) { |
| thread.start(); |
| } |
| for (TestCapacityThread thread : threads) { |
| thread.join(); |
| } |
| |
| System.out.println("testThreadCapacity thread count: " + TestCapacityThread.mCount); |
| } |
| |
| private static class TestCapacityThread extends Thread { |
| static int mCount = 0; |
| public void run() { |
| synchronized (TestCapacityThread.class) { |
| ++mCount; |
| } |
| try { |
| sleep(1000); |
| } catch (Exception ex) { |
| } |
| } |
| } |
| |
| private static void testThreadDaemons() { |
| Thread t = new Thread(null, new TestDaemonThread(), "TestDaemonThread", 7168); |
| |
| t.setDaemon(false); |
| |
| System.out.print("testThreadDaemons starting thread '" + t.getName() + "'\n"); |
| t.start(); |
| |
| try { |
| t.join(); |
| } catch (InterruptedException ex) { |
| ex.printStackTrace(); |
| } |
| |
| System.out.print("testThreadDaemons finished\n"); |
| } |
| |
| private static class TestDaemonThread implements Runnable { |
| public void run() { |
| System.out.print("testThreadDaemons @ Thread running\n"); |
| |
| try { |
| Thread.currentThread().setDaemon(true); |
| System.out.print("testThreadDaemons @ FAILED: setDaemon() succeeded\n"); |
| } catch (IllegalThreadStateException itse) { |
| System.out.print("testThreadDaemons @ Got expected setDaemon exception\n"); |
| } |
| |
| try { |
| Thread.sleep(2000); |
| } |
| catch (InterruptedException ie) { |
| System.out.print("testThreadDaemons @ Interrupted!\n"); |
| } |
| finally { |
| System.out.print("testThreadDaemons @ Thread bailing\n"); |
| } |
| } |
| } |
| |
| private static void testSleepZero() throws Exception { |
| Thread.currentThread().interrupt(); |
| try { |
| Thread.sleep(0); |
| throw new AssertionError("unreachable"); |
| } catch (InterruptedException e) { |
| if (Thread.currentThread().isInterrupted()) { |
| throw new AssertionError("thread is interrupted"); |
| } |
| } |
| System.out.print("testSleepZero finished\n"); |
| } |
| } |