53 lines
2.0 KiB
Java
53 lines
2.0 KiB
Java
/*
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* Copyright (c) 2013, 2015, 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 8059100
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* @summary Test that you can decrease NMT tracking level but not increase it.
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* @key nmt
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* @modules java.base/jdk.internal.misc
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* @library /testlibrary /test/lib
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* @build ChangeTrackingLevel
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ChangeTrackingLevel
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*/
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import jdk.test.lib.*;
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import sun.hotspot.WhiteBox;
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public class ChangeTrackingLevel {
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public static WhiteBox wb = WhiteBox.getWhiteBox();
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public static void main(String args[]) throws Exception {
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boolean testChangeLevel = wb.NMTChangeTrackingLevel();
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if (testChangeLevel) {
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System.out.println("NMT level change test passed.");
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} else {
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// it also fails if the VM asserts.
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throw new RuntimeException("NMT level change test failed");
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}
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}
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};
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