/*

 * Copyright (c) 2014, 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 LimitSharedSizes

 * @summary Test handling of limits on shared space size

 * @library /testlibrary

 * @run main LimitSharedSizes

 */

import com.oracle.java.testlibrary.*;

public class LimitSharedSizes {

    private static class SharedSizeTestData {

        public String optionName;

        public String optionValue;

        public String expectedErrorMsg;

        public SharedSizeTestData(String name, String value, String msg) {

            optionName = name;

            optionValue = value;

            expectedErrorMsg = msg;

        }

    }

    private static final SharedSizeTestData[] testTable = {

        // values in this part of the test table should cause failure

        // (shared space sizes are deliberately too small)

        new SharedSizeTestData("-XX:SharedReadOnlySize", "4M",      "read only"),

        new SharedSizeTestData("-XX:SharedReadWriteSize","4M",      "read write"),

        // Known issue, JDK-8038422 (assert() on Windows)

        // new SharedSizeTestData("-XX:SharedMiscDataSize", "500k",    "miscellaneous data"),

        // these values are larger than default ones, but should

        // be acceptable and not cause failure

        new SharedSizeTestData("-XX:SharedReadOnlySize",    "20M", null),

        new SharedSizeTestData("-XX:SharedReadWriteSize",   "20M", null),

        new SharedSizeTestData("-XX:SharedMiscDataSize",    "20M", null),

        new SharedSizeTestData("-XX:SharedMiscCodeSize",    "20M", null)

    };

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

        String fileName = "test.jsa";

        for (SharedSizeTestData td : testTable) {

            String option = td.optionName + "=" + td.optionValue;

            System.out.println("testing option <" + option + ">");

            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

               "-XX:+UnlockDiagnosticVMOptions",

               "-XX:SharedArchiveFile=./" + fileName,

               option,

               "-Xshare:dump");

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

            if (td.expectedErrorMsg != null) {

                output.shouldContain("The shared " + td.expectedErrorMsg

                    + " space is not large enough");

                output.shouldHaveExitValue(2);

            } else {

                output.shouldNotContain("space is not large enough");

                output.shouldHaveExitValue(0);

            }

        }

    }

}