hotspot/test/runtime/CommandLine/FlagWithInvalidValue.java
author bobv
Tue, 29 Aug 2017 15:53:04 -0400
changeset 47100 17953cf82d51
parent 40631 ed82623d7831
permissions -rw-r--r--
8186248: Allow more flexibility in selecting Heap % of available RAM Reviewed-by: dholmes, drwhite

/*
 * Copyright (c) 2013, 2016, 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.
 *
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 */

/*
 * @test
 * @bug 8006298
 * @summary Setting a flag to an invalid value should print a useful error message
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 */

import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;

public class FlagWithInvalidValue {
  public static void main(String[] args) throws Exception {
    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
        "-XX:MaxRAMPercentage=v", "-version");

    OutputAnalyzer output = new OutputAnalyzer(pb.start());
    output.shouldContain("Improperly specified VM option 'MaxRAMPercentage=v'");
    output.shouldHaveExitValue(1);
  }
}