/* * Copyright (c) 2013, 2015, 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. */ import jdk.test.lib.*; /* * @test * @bug 8006997 * @summary ContendedPaddingWidth should be range-checked * * @library /testlibrary * @modules java.base/sun.misc * java.management * @run main Options */ public class Options { public static void main(String[] args) throws Exception { ProcessBuilder pb; OutputAnalyzer output; pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=-128", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldContain("ContendedPaddingWidth"); output.shouldContain("outside the allowed range"); output.shouldHaveExitValue(1); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=-8", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldContain("ContendedPaddingWidth"); output.shouldContain("outside the allowed range"); output.shouldHaveExitValue(1); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=-1", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldContain("ContendedPaddingWidth"); output.shouldContain("outside the allowed range"); output.shouldContain("must be a multiple of 8"); output.shouldHaveExitValue(1); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=0", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=1", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldContain("ContendedPaddingWidth"); output.shouldContain("must be a multiple of 8"); output.shouldHaveExitValue(1); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8184", "-version"); // 8192-8 = 8184 output = new OutputAnalyzer(pb.start()); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8191", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldContain("ContendedPaddingWidth"); output.shouldContain("must be a multiple of 8"); output.shouldHaveExitValue(1); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8192", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8193", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldContain("ContendedPaddingWidth"); output.shouldContain("outside the allowed range"); output.shouldContain("must be a multiple of 8"); output.shouldHaveExitValue(1); pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8200", "-version"); // 8192+8 = 8200 output = new OutputAnalyzer(pb.start()); output.shouldContain("ContendedPaddingWidth"); output.shouldContain("outside the allowed range"); output.shouldHaveExitValue(1); } }