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/*
* 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();
}
}
}
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