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/*
* Copyright (c) 2018, 2024, 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
*
* @summary converted from VM Testbase nsk/jdi/ThreadReference/currentContendedMonitor/currentcm001.
* VM Testbase keywords: [quick, jpda, jdi]
* VM Testbase readme:
* DESCRIPTION:
* The test for the implementation of an object of the type
* ThreadReference.
* The test checks up that a result of the method
* com.sun.jdi.ThreadReference.currentContendedMonitor()
* complies with its spec:
* public ObjectReference currentContendedMonitor()
* throws IncompatibleThreadStateException
* Returns an ObjectReference for the monitor, if any,
* for which this thread is currently waiting.
* The thread can be waiting for a monitor through entry into
* a synchronized method, the synchronized statement, or Object.wait(long).
* The status() method can be used to differentiate between
* the first two cases and the third.
* Not all target virtual machines support this operation.
* Use VirtualMachine.canGetCurrentContendedMonitor() to determine if
* the operation is supported.
* Returns: the ObjectReference corresponding to the contended monitor, or
* null if it is not waiting for a monitor.
* Throws: java.lang.UnsupportedOperationException -
* if the target virtual machine does not support this operation.
* IncompatibleThreadStateException -
* if the thread is not suspended in the target VM
* ObjectCollectedException -
* if this object has been garbage collected.
* when a ThreadGroupReference object has not been garbage collected,
* hence ObjectCollectedException is not expected to be thrown.
* The test works as follows:
* The debugger program - nsk.jdi.ThreadReference.currentContendedMonitor.currentcm001;
* the debuggee program - nsk.jdi.ThreadReference.currentContendedMonitor.currentcm001a.
* Using nsk.jdi.share classes,
* the debugger gets the debuggee running on another JavaVM,
* creates the object debuggee.VM,
* establishes a pipe with the debuggee program, and then
* send to the programm commands, to which the debuggee replies
* via the pipe. Upon getting reply,
* the debugger calls corresponding debuggee.VM methods to get
* needed data and compares the data got to the data expected.
* In case of error the test produces the return value 97 and
* a corresponding error message(s).
* Otherwise, the test is passed and produces
* the return value 95 and no message.
* COMMENTS:
*
* @library /vmTestbase
* /test/lib
* @build nsk.jdi.ThreadReference.currentContendedMonitor.currentcm001
* nsk.jdi.ThreadReference.currentContendedMonitor.currentcm001a
* @run driver
* nsk.jdi.ThreadReference.currentContendedMonitor.currentcm001
* -verbose
* -arch=${os.family}-${os.simpleArch}
* -waittime=5
* -debugee.vmkind=java
* -transport.address=dynamic
* -debugee.vmkeys="${test.vm.opts} ${test.java.opts}"
*/
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