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/*
* Copyright (c) 2003, 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 4531526
* @summary Test that more than one debuggee cannot bind to same port
* at the same time.
* @library /test/lib
*
* @build ExclusiveBind HelloWorld
* @run driver ExclusiveBind
*/
import jdk.test.lib.process.ProcessTools;
import lib.jdb.Debuggee;
public class ExclusiveBind {
/*
* - Launch a debuggee with server=y,suspend=y
* - Parse listening port
* - Launch a second debuggee in server=y,suspend=n with the parsed port
* - Second debuggee should fail with an error (address already in use)
* - For clean-up we attach to the first debuggee and resume it.
*/
public static void main(String args[]) throws Exception {
// launch the first debuggee
try (Debuggee process1 = Debuggee.launcher("HelloWorld").launch("process1")) {
// launch a second debuggee with the same address
ProcessBuilder process2 = Debuggee.launcher("HelloWorld")
.setSuspended(false)
.setAddress(process1.getAddress())
.prepare();
// get exit status from second debuggee
int exitCode = ProcessTools.startProcess("process2", process2).waitFor();
// if the second debuggee ran to completion then we've got a problem
if (exitCode == 0) {
throw new RuntimeException("Test failed - second debuggee didn't fail to bind");
} else {
System.out.println("Test passed - second debuggee correctly failed to bind");
}
}
}
}
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