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/*
* Copyright (c) 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
* @bug 8338139
* @summary Basic unit test of ClassLoadingMXBean.set/isVerbose() when
* related unified logging is enabled.
*
* @run main/othervm -Xlog:class+load=trace:file=vm.log TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load=debug:file=vm.log TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load=info:file=vm.log TestVerboseClassLoading false
*
* @run main/othervm -Xlog:class+load=trace TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load=debug TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load=info TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load=warning TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load=error TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load=off TestVerboseClassLoading false
*
* @run main/othervm -Xlog:class+load*=trace TestVerboseClassLoading true
* @run main/othervm -Xlog:class+load*=debug TestVerboseClassLoading true
* @run main/othervm -Xlog:class+load*=info TestVerboseClassLoading true
* @run main/othervm -Xlog:class+load*=warning TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load*=error TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load*=off TestVerboseClassLoading false
*
* @run main/othervm -Xlog:class+load*=info,class+load=trace TestVerboseClassLoading true
* @run main/othervm -Xlog:class+load*=info,class+load=debug TestVerboseClassLoading true
* @run main/othervm -Xlog:class+load*=info,class+load=info TestVerboseClassLoading true
* @run main/othervm -Xlog:class+load*=info,class+load=warning TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load*=info,class+load=error TestVerboseClassLoading false
* @run main/othervm -Xlog:class+load*=info,class+load=off TestVerboseClassLoading false
*
* @run main/othervm -Xlog:all=trace:file=vm.log TestVerboseClassLoading false
*/
import java.lang.management.ManagementFactory;
import java.lang.management.ClassLoadingMXBean;
public class TestVerboseClassLoading {
public static void main(String[] args) throws Exception {
ClassLoadingMXBean mxBean = ManagementFactory.getClassLoadingMXBean();
boolean expected = Boolean.parseBoolean(args[0]);
boolean initial = mxBean.isVerbose();
if (expected != initial) {
throw new Error("Initial verbosity setting was unexpectedly " + initial);
}
mxBean.setVerbose(false);
if (mxBean.isVerbose()) {
throw new Error("Verbosity was still enabled");
}
mxBean.setVerbose(true);
if (!mxBean.isVerbose()) {
throw new Error("Verbosity was still disabled");
}
// Turn off again as a double-check and also to avoid excessive logging
mxBean.setVerbose(false);
if (mxBean.isVerbose()) {
throw new Error("Verbosity was still enabled");
}
}
}
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