1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8165000 27 * @summary Verify no IOException on OS X for large timeout value in select(). 28 * @requires (os.family == "mac") 29 */ 30 import java.io.IOException; 31 import java.nio.channels.Selector; 32 33 public class SelectTimeout { 34 private static final long HUGE_TIMEOUT = 100000001000L; 35 private static final long SLEEP_MILLIS = 10000; 36 37 private static Exception theException; 38 39 public static void main(String[] args) 40 throws IOException, InterruptedException { 41 int failures = 0; 42 long[] timeouts = 43 new long[] {0, HUGE_TIMEOUT/2, HUGE_TIMEOUT - 1, HUGE_TIMEOUT}; 44 for (long t : timeouts) { 45 if (!test(t)) { 46 failures++; 47 } 48 } 49 if (failures > 0) { 50 throw new RuntimeException("Test failed!"); 51 } else { 52 System.out.println("Test succeeded"); 53 } 54 } 55 56 private static boolean test(final long timeout) 57 throws InterruptedException, IOException { 58 theException = null; 59 60 Selector selector = Selector.open(); 61 62 Thread t = new Thread(() -> { 63 try { 64 selector.select(timeout); 65 } catch (IOException ioe) { 66 theException = ioe; 67 } 68 }); 69 t.start(); 70 71 Thread.currentThread().sleep(SLEEP_MILLIS); 72 t.interrupt(); 73 74 if (theException == null) { 75 System.out.printf("Test succeeded with timeout %d%n", timeout); 76 return true; 77 } else { 78 System.err.printf("Test failed with timeout %d%n", timeout); 79 theException.printStackTrace(); 80 return false; 81 } 82 } 83 }