| /* |
| * Copyright (c) 2018, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 4227137 |
| * @summary Basic functional test for virtual-machine shutdown hooks |
| * @modules java.desktop |
| * @library /test/lib |
| * @build jdk.test.lib.process.* |
| * @run testng Basic |
| */ |
| |
| import java.lang.reflect.Method; |
| import java.lang.reflect.InvocationTargetException; |
| import java.io.PrintStream; |
| import java.io.FileOutputStream; |
| import java.awt.Frame; |
| import java.awt.TextArea; |
| import java.awt.event.WindowEvent; |
| import java.awt.event.WindowAdapter; |
| |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| import jdk.test.lib.process.ProcessTools; |
| |
| public class Basic { |
| |
| static Runtime rt = Runtime.getRuntime(); |
| static PrintStream out = System.out; |
| |
| // Expect that no finalizer is invoked at exit |
| @DataProvider(name = "testcase") |
| public Object[][] getTestCase() { |
| return new Object[][] { |
| { "fallThrough", 0, "h1", "" }, |
| { "exit0", 0, "h1", "" }, |
| { "exit0NoHook", 0, "", "" }, |
| { "exit1", 1, "h1", "" }, |
| { "exit1NoHook", 1, "", "" }, |
| { "halt", 0, "", "" }, |
| { "haltNoHook", 0, "", "" }, |
| { "haltInHook", 0, "h1", "" }, |
| { "addLate", 0, "h1", |
| "Caught as expected: java.lang.IllegalStateException: Shutdown in progress" }, |
| { "removeLate", 0, "h2", |
| "Caught as expected: java.lang.IllegalStateException: Shutdown in progress" } |
| }; |
| } |
| |
| @Test(dataProvider = "testcase") |
| public void test(String testcase, int exitValue, String hook, String finalizer) |
| throws Exception { |
| System.out.println("Test " + testcase); |
| ProcessTools.executeTestJava("Basic", testcase) |
| .shouldHaveExitValue(exitValue) |
| .stdoutShouldMatch( |
| hook + (hook.isEmpty() ? "" : System.lineSeparator()) + finalizer); |
| System.out.println("Passed"); |
| } |
| |
| public static class Fin { |
| String name; |
| |
| public Fin(String name) { |
| this.name = name; |
| } |
| |
| public void go() { } |
| |
| protected void finalize() { |
| out.println(name); |
| go(); |
| } |
| } |
| |
| |
| public static class Hook extends Thread { |
| String name; |
| |
| public Hook(String name) { |
| this.name = name; |
| } |
| |
| public void go() { } |
| |
| public void run() { |
| out.println(name); |
| go(); |
| } |
| } |
| |
| public static void fallThrough() throws Exception { |
| rt.addShutdownHook(new Hook("h1")); |
| Fin f = new Fin("f1"); |
| } |
| |
| public static void exit0() throws Exception { |
| rt.addShutdownHook(new Hook("h1")); |
| Fin f = new Fin("f1"); |
| rt.exit(0); |
| } |
| |
| public static void exit0NoHook() throws Exception { |
| Fin f = new Fin("f1"); |
| rt.exit(0); |
| } |
| |
| /* Finalizer should not run */ |
| public static void exit1() throws Exception { |
| rt.addShutdownHook(new Hook("h1")); |
| Fin f = new Fin("f1"); |
| rt.exit(1); |
| } |
| |
| public static void exit1NoHook() throws Exception { |
| Fin f = new Fin("f1"); |
| rt.exit(1); |
| } |
| |
| public static void halt() throws Exception { |
| rt.addShutdownHook(new Hook("h1") { |
| public void go() { rt.halt(1); }}); |
| Fin f = new Fin("f1") { public void go() { rt.halt(1); }}; |
| rt.halt(0); |
| } |
| |
| public static void haltNoHook() throws Exception { |
| Fin f = new Fin("f1") { public void go() { rt.halt(1); }}; |
| rt.halt(0); |
| } |
| |
| public static void haltInHook() throws Exception { |
| rt.addShutdownHook(new Hook("h1") { |
| public void go() { rt.halt(0); }}); |
| Fin f = new Fin("f1"); |
| rt.exit(1); |
| } |
| |
| public static void addLate() throws Exception { |
| rt.addShutdownHook(new Hook("h1") { |
| public void go() { |
| try { |
| rt.addShutdownHook(new Hook("h2")); |
| } catch (IllegalStateException x) { |
| out.println("Caught as expected: " + x); |
| rt.halt(0); |
| } |
| }}); |
| rt.exit(1); |
| } |
| |
| public static void removeLate() throws Exception { |
| final Hook h1 = new Hook("h1"); |
| rt.addShutdownHook(new Hook("h2") { |
| public void go() { |
| try { |
| rt.removeShutdownHook(h1); |
| } catch (IllegalStateException x) { |
| out.println("Caught as expected: " + x); |
| rt.halt(0); |
| } |
| }}); |
| rt.exit(1); |
| } |
| |
| /* For INT, HUP, TERM */ |
| public static void stall() throws Exception { |
| Fin f = new Fin("f1"); |
| rt.addShutdownHook(new Hook("h1")); |
| out.print("Type ^C now: "); |
| out.flush(); |
| Thread.sleep(100000); |
| } |
| |
| |
| public static void main(String[] args) throws Throwable { |
| Method m = Basic.class.getMethod(args[0], new Class[] { }); |
| String log = null; |
| try { |
| log = System.getProperty("log"); |
| } catch (SecurityException x) { } |
| if (log != null) { |
| out = new PrintStream(new FileOutputStream(log), true); |
| } |
| try { |
| m.invoke(null, new Object[] { }); |
| } catch (InvocationTargetException x) { |
| throw x.getTargetException(); |
| } |
| } |
| |
| } |