80 lines
3.2 KiB
Java
80 lines
3.2 KiB
Java
/*
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* Copyright (c) 2024, 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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/*
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* @test
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* @bug 8338139
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* @summary Basic unit test of TestVerboseMemory.set/isVerbose() when
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* related unified logging is enabled.
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*
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* @run main/othervm -Xlog:gc=trace:file=vm.log TestVerboseMemory false
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* @run main/othervm -Xlog:gc=debug:file=vm.log TestVerboseMemory false
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* @run main/othervm -Xlog:gc=info:file=vm.log TestVerboseMemory false
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*
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* @run main/othervm -Xlog:gc=off TestVerboseMemory false
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* @run main/othervm -Xlog:gc=error TestVerboseMemory false
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* @run main/othervm -Xlog:gc=warning TestVerboseMemory false
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*
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* @run main/othervm -Xlog:gc=info TestVerboseMemory true
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* @run main/othervm -Xlog:gc=trace TestVerboseMemory true
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* @run main/othervm -Xlog:gc=debug TestVerboseMemory true
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*
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* @run main/othervm -Xlog:gc*=info TestVerboseMemory true
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* @run main/othervm -Xlog:gc*=debug TestVerboseMemory true
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* @run main/othervm -Xlog:gc*=trace TestVerboseMemory true
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*
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* @run main/othervm -Xlog:gc=info,gc+init=off TestVerboseMemory true
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* @run main/othervm -Xlog:gc=off,gc+init=info TestVerboseMemory false
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* @run main/othervm -Xlog:gc,gc+init TestVerboseMemory true
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*
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* @run main/othervm -Xlog:all=trace:file=vm.log TestVerboseMemory false
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*/
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import java.lang.management.ManagementFactory;
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import java.lang.management.MemoryMXBean;
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public class TestVerboseMemory {
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public static void main(String[] args) throws Exception {
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MemoryMXBean mxBean = ManagementFactory.getMemoryMXBean();
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boolean expected = Boolean.parseBoolean(args[0]);
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boolean initial = mxBean.isVerbose();
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if (expected != initial) {
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throw new Error("Initial verbosity setting was unexpectedly " + initial);
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}
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mxBean.setVerbose(false);
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if (mxBean.isVerbose()) {
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throw new Error("Verbosity was still enabled");
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}
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mxBean.setVerbose(true);
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if (!mxBean.isVerbose()) {
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throw new Error("Verbosity was still disabled");
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}
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// Turn off again as a double-check and also to avoid excessive logging
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mxBean.setVerbose(false);
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if (mxBean.isVerbose()) {
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throw new Error("Verbosity was still enabled");
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}
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}
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}
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