/* * Copyright (c) 2003, 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 4533087 * @summary Test to see if the main thread is in its thread group
*/
publicclass MainThreadTest { publicstaticvoid main(String args[]) {
ThreadGroup tg = Thread.currentThread().getThreadGroup(); int n = tg.activeCount(); Thread[] ts = newThread[n]; int m = tg.enumerate(ts); for (int i = 0; i < ts.length; i++) { if (Thread.currentThread() == ts[i]) { return;
}
} thrownew RuntimeException( "Current thread is not in its own thread group!");
}
}
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