/*

 * 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.

 */

/*

 * @test TestHeapFreeRatio

 * @key gc

 * @bug 8025661

 * @summary Test parsing of -Xminf and -Xmaxf

 * @library /testlibrary

 * @modules java.base/sun.misc

 *          java.management

 * @run main/othervm TestHeapFreeRatio

 */

import com.oracle.java.testlibrary.*;

public class TestHeapFreeRatio {

  enum Validation {

    VALID,

    MIN_INVALID,

    MAX_INVALID,

    COMBINATION_INVALID

  }

  private static void testMinMaxFreeRatio(String min, String max, Validation type) throws Exception {

    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

        "-Xminf" + min,

        "-Xmaxf" + max,

        "-version");

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

    switch (type) {

    case VALID:

      output.shouldNotContain("Error");

      output.shouldHaveExitValue(0);

      break;

    case MIN_INVALID:

      output.shouldContain("Bad min heap free percentage size: -Xminf" + min);

      output.shouldContain("Error");

      output.shouldHaveExitValue(1);

      break;

    case MAX_INVALID:

      output.shouldContain("Bad max heap free percentage size: -Xmaxf" + max);

      output.shouldContain("Error");

      output.shouldHaveExitValue(1);

      break;

    case COMBINATION_INVALID:

      output.shouldContain("must be less than or equal to MaxHeapFreeRatio");

      output.shouldContain("Error");

      output.shouldHaveExitValue(1);

      break;

    default:

      throw new IllegalStateException("Must specify expected validation type");

    }

    System.out.println(output.getOutput());

  }

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

    testMinMaxFreeRatio( "0.1", "0.5", Validation.VALID);

    testMinMaxFreeRatio(  ".1",  ".5", Validation.VALID);

    testMinMaxFreeRatio( "0.5", "0.5", Validation.VALID);

    testMinMaxFreeRatio("-0.1", "0.5", Validation.MIN_INVALID);

    testMinMaxFreeRatio( "1.1", "0.5", Validation.MIN_INVALID);

    testMinMaxFreeRatio("=0.1", "0.5", Validation.MIN_INVALID);

    testMinMaxFreeRatio("0.1f", "0.5", Validation.MIN_INVALID);

    testMinMaxFreeRatio(

                     "INVALID", "0.5", Validation.MIN_INVALID);

    testMinMaxFreeRatio(

                  "2147483647", "0.5", Validation.MIN_INVALID);

    testMinMaxFreeRatio( "0.1", "-0.5", Validation.MAX_INVALID);

    testMinMaxFreeRatio( "0.1",  "1.5", Validation.MAX_INVALID);

    testMinMaxFreeRatio( "0.1", "0.5f", Validation.MAX_INVALID);

    testMinMaxFreeRatio( "0.1", "=0.5", Validation.MAX_INVALID);

    testMinMaxFreeRatio(

                     "0.1",  "INVALID", Validation.MAX_INVALID);

    testMinMaxFreeRatio(

                   "0.1", "2147483647", Validation.MAX_INVALID);

    testMinMaxFreeRatio( "0.5",  "0.1", Validation.COMBINATION_INVALID);

    testMinMaxFreeRatio(  ".5",  ".10", Validation.COMBINATION_INVALID);

    testMinMaxFreeRatio("0.12","0.100", Validation.COMBINATION_INVALID);

  }

}