/*

 * Copyright (c) 2014, 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.

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 */

/* @test TestVerifySilently.java

 * @key gc

 * @bug 8032771

 * @summary Test silent verification.

 * @library /testlibrary

 * @modules java.base/sun.misc

 *          java.management

 */

import jdk.test.lib.OutputAnalyzer;

import jdk.test.lib.ProcessTools;

import java.util.ArrayList;

import java.util.Collections;

class RunSystemGC {

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

    System.gc();

  }

}

public class TestVerifySilently {

  private static String[] getTestJavaOpts() {

    String testVmOptsStr = System.getProperty("test.java.opts");

    if (!testVmOptsStr.isEmpty()) {

      return testVmOptsStr.split(" ");

    } else {

      return new String[] {};

    }

  }

  private static OutputAnalyzer runTest(boolean verifySilently) throws Exception {

    ArrayList<String> vmOpts = new ArrayList();

    Collections.addAll(vmOpts, getTestJavaOpts());

    Collections.addAll(vmOpts, new String[] {"-XX:+UnlockDiagnosticVMOptions",

                                             "-XX:+VerifyDuringStartup",

                                             "-XX:+VerifyBeforeGC",

                                             "-XX:+VerifyAfterGC",

                                             "-XX:" + (verifySilently ? "+":"-") + "VerifySilently",

                                             RunSystemGC.class.getName()});

    ProcessBuilder pb =

      ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));

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

    System.out.println("Output:\n" + output.getOutput());

    return output;

  }

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

    OutputAnalyzer output;

    output = runTest(false);

    output.shouldContain("[Verifying");

    output.shouldHaveExitValue(0);

    output = runTest(true);

    output.shouldNotContain("[Verifying");

    output.shouldHaveExitValue(0);

  }

}