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* Copyright ( c ) 2019 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* 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 .
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*/
/**
* @ test
* @ bug 8229212
* @ summary Verify that monitor operations by a non - owner thread throw
* IllegalMonitorStateException .
* @ run main NonOwnerOps
*/
public class NonOwnerOps {
public static void main(String[] args) {
int error_count = 0 ;
Object obj;
obj = new Object();
try {
obj.wait();
System.err.println("ERROR: wait() by non-owner thread did not " +
"throw IllegalMonitorStateException." );
error_count++;
} catch (InterruptedException ie) {
System.err.println("ERROR: wait() by non-owner thread threw " +
"InterruptedException which is not expected." );
error_count++;
} catch (IllegalMonitorStateException imse) {
System.out.println("wait() by non-owner thread threw the " +
"expected IllegalMonitorStateException:" );
System.out.println(" " + imse);
}
obj = new Object();
try {
obj.notify();
System.err.println("ERROR: notify() by non-owner thread did not " +
"throw IllegalMonitorStateException." );
error_count++;
} catch (IllegalMonitorStateException imse) {
System.out.println("notify() by non-owner thread threw the " +
"expected IllegalMonitorStateException:" );
System.out.println(" " + imse);
}
obj = new Object();
try {
obj.notifyAll();
System.err.println("ERROR: notifyAll() by non-owner thread did " +
"not throw IllegalMonitorStateException." );
error_count++;
} catch (IllegalMonitorStateException imse) {
System.out.println("notifyAll() by non-owner thread threw the " +
"expected IllegalMonitorStateException:" );
System.out.println(" " + imse);
}
if (error_count != 0 ) {
throw new RuntimeException("Test failed with " + error_count +
" errors." );
}
System.out.println("Test PASSED." );
}
}
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