/*
 * Copyright (c) 2013, 2019, 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.
 */

package gc.arguments;

/*
 * @test TestUnrecognizedVMOptionsHandling
 * @key gc
 * @bug 8017611
 * @summary Tests handling unrecognized VM options
 * @library /test/lib
 * @library /
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run main/othervm gc.arguments.TestUnrecognizedVMOptionsHandling
 */

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

public class TestUnrecognizedVMOptionsHandling {

  public static void main(String args[]) throws Exception {
    // The first two JAVA processes are expected to fail, but with a correct VM option suggestion
    ProcessBuilder pb = GCArguments.createJavaProcessBuilder(
      "-XX:+UseDynamicNumberOfGcThreads",
      "-version"
      );
    OutputAnalyzer outputWithError = new OutputAnalyzer(pb.start());
    outputWithError.shouldContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?");
    if (outputWithError.getExitValue() == 0) {
      throw new RuntimeException("Not expected to get exit value 0");
    }

    pb = GCArguments.createJavaProcessBuilder(
      "-XX:MaxiumHeapSize=500m",
      "-version"
      );
    outputWithError = new OutputAnalyzer(pb.start());
    outputWithError.shouldContain("Did you mean 'MaxHeapSize=<value>'?");
    if (outputWithError.getExitValue() == 0) {
      throw new RuntimeException("Not expected to get exit value 0");
    }

    // The last JAVA process should run successfully for the purpose of sanity check
    pb = GCArguments.createJavaProcessBuilder(
      "-XX:+UseDynamicNumberOfGCThreads",
      "-version"
      );
    OutputAnalyzer outputWithNoError = new OutputAnalyzer(pb.start());
    outputWithNoError.shouldNotContain("Did you mean '(+/-)UseDynamicNumberOfGCThreads'?");
    outputWithNoError.shouldHaveExitValue(0);
  }
}

