| /* |
| * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertFalse; |
| import static org.testng.Assert.assertTrue; |
| import static org.testng.Assert.fail; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| |
| import org.testng.TestNG; |
| import org.testng.annotations.Test; |
| |
| /* |
| * @test |
| * @library /test/lib |
| * @modules java.base/jdk.internal.misc |
| * jdk.management |
| * @build jdk.test.lib.Utils |
| * jdk.test.lib.Asserts |
| * jdk.test.lib.JDKToolFinder |
| * jdk.test.lib.JDKToolLauncher |
| * jdk.test.lib.Platform |
| * jdk.test.lib.process.* |
| * @run testng Basic |
| * @summary Basic tests for ProcessHandler |
| * @author Roger Riggs |
| */ |
| public class Basic { |
| /** |
| * Tests of ProcessHandle.current. |
| */ |
| @Test |
| public static void test1() { |
| try { |
| ProcessHandle self = ProcessHandle.current(); |
| ProcessHandle self1 = ProcessHandle.current(); |
| assertEquals(self, self1); //, "get pid twice should be same %d: %d"); |
| } finally { |
| // Cleanup any left over processes |
| ProcessHandle.current().children().forEach(ProcessHandle::destroy); |
| } |
| } |
| |
| /** |
| * Tests of ProcessHandle.get. |
| */ |
| @Test |
| public static void test2() { |
| try { |
| ProcessHandle self = ProcessHandle.current(); |
| long pid = self.pid(); // known native process id |
| Optional<ProcessHandle> self1 = ProcessHandle.of(pid); |
| assertEquals(self1.get(), self, |
| "ProcessHandle.of(x.pid()) should be equal pid() %d: %d"); |
| |
| Optional<ProcessHandle> ph = ProcessHandle.of(pid); |
| assertEquals(pid, ph.get().pid()); |
| } finally { |
| // Cleanup any left over processes |
| ProcessHandle.current().children().forEach(ProcessHandle::destroy); |
| } |
| } |
| |
| @Test |
| public static void test3() { |
| // Test can get parent of current |
| ProcessHandle ph = ProcessHandle.current(); |
| try { |
| Optional<ProcessHandle> pph = ph.parent(); |
| assertTrue(pph.isPresent(), "Current has a Parent"); |
| } finally { |
| // Cleanup any left over processes |
| ProcessHandle.current().children().forEach(ProcessHandle::destroy); |
| } |
| } |
| |
| @Test |
| public static void test4() { |
| try { |
| Process p = new ProcessBuilder("sleep", "0").start(); |
| p.waitFor(); |
| |
| long deadPid = p.pid(); |
| p = null; // Forget the process |
| |
| Optional<ProcessHandle> t = ProcessHandle.of(deadPid); |
| assertFalse(t.isPresent(), "Handle created for invalid pid:" + t); |
| } catch (IOException | InterruptedException ex) { |
| fail("Unexpected exception", ex); |
| } finally { |
| // Cleanup any left over processes |
| ProcessHandle.current().children().forEach(ProcessHandle::destroy); |
| } |
| } |
| |
| @Test |
| public static void test5() { |
| // Always contains itself. |
| ProcessHandle current = ProcessHandle.current(); |
| List<ProcessHandle> list = ProcessHandle.allProcesses().collect(Collectors.toList()); |
| if (!list.stream() |
| .anyMatch(ph -> ph.equals(ProcessHandle.current()))) { |
| System.out.printf("current: %s%n", current); |
| System.out.printf("all processes.size: %d%n", list.size()); |
| list.forEach(p -> ProcessUtil.printProcess(p, " allProcesses: ")); |
| fail("current process not found in all processes"); |
| } |
| } |
| |
| @Test(expectedExceptions = IllegalStateException.class) |
| public static void test6() { |
| ProcessHandle.current().onExit(); |
| } |
| |
| @Test(expectedExceptions = IllegalStateException.class) |
| public static void test7() { |
| ProcessHandle.current().destroyForcibly(); |
| } |
| |
| // Main can be used to run the tests from the command line with only testng.jar. |
| @SuppressWarnings("raw_types") |
| public static void main(String[] args) { |
| Class<?>[] testclass = {TreeTest.class}; |
| TestNG testng = new TestNG(); |
| testng.setTestClasses(testclass); |
| testng.run(); |
| } |
| |
| } |