/*

 * Copyright (c) 2014, 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 Test2GbHeap

 * @bug 8031686

 * @summary Regression test to ensure we can start G1 with 2gb heap.

 * Skip test on 32 bit Windows: it typically does not support the many and large virtual memory reservations needed.

 * @requires (vm.gc == "G1" | vm.gc == "null")

 * @requires !((sun.arch.data.model == "32") & (os.family == "windows"))

 * @key gc

 * @key regression

 * @library /testlibrary

 * @modules java.base/jdk.internal.misc

 *          java.management

 */

import java.util.ArrayList;

import jdk.test.lib.OutputAnalyzer;

import jdk.test.lib.ProcessTools;

public class Test2GbHeap {

  public static void main(String[] args) throws Exception {

    ArrayList<String> testArguments = new ArrayList<String>();

    testArguments.add("-XX:+UseG1GC");

    testArguments.add("-Xmx2g");

    testArguments.add("-version");

    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0]));

    OutputAnalyzer output = new OutputAnalyzer(pb.start());

    output.shouldHaveExitValue(0);

  }

}