71 lines
2.5 KiB
Java
71 lines
2.5 KiB
Java
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/*
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* Copyright (c) 2020, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @summary Test JNI IsVirtualThread
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* @library /test/lib
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* @compile --enable-preview -source ${jdk.version} IsVirtualThread.java
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* @run main/native/othervm --enable-preview IsVirtualThread
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*/
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import jdk.test.lib.Asserts;
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import java.util.concurrent.locks.LockSupport;
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public class IsVirtualThread {
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public static void main(String[] args) throws Exception {
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test(Thread.currentThread());
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// test platform thread
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Thread thread = Thread.ofPlatform().unstarted(LockSupport::park);
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test(thread); // not started
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thread.start();
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test(thread); // started, probably parked
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LockSupport.unpark(thread);
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thread.join();
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test(thread); // terminated
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// test virtual thread
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Thread vthread = Thread.ofVirtual().unstarted(LockSupport::park);
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test(vthread); // not started
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vthread.start();
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test(vthread); // started, probably parked
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LockSupport.unpark(vthread);
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vthread.join();
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test(vthread); // terminated
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}
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private static void test(Thread thread) {
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System.out.println("test: " + thread);
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boolean isVirtual = isVirtualThread(thread);
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boolean expected = thread.isVirtual();
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Asserts.assertEQ(expected, isVirtual, "JNI IsVirtualThread() not equals to Thread.isVirtual()");
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}
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private static native boolean isVirtualThread(Thread thread);
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static {
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System.loadLibrary("IsVirtualThread");
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}
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}
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