/*

 * Copyright (c) 2013, 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.

 *

 * 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 TestRemsetLogging.java

 * @requires vm.gc.G1

 * @bug 8013895 8129977 8145534

 * @library /test/lib

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

 *          java.management/sun.management

 * @build sun.hotspot.WhiteBox

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 * @summary Verify output of -Xlog:gc+remset*=trace

 * @run main TestRemsetLogging

 *

 * Test the output of -Xlog:gc+remset*=trace in conjunction with G1SummarizeRSetStatsPeriod.

 */

public class TestRemsetLogging {

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

        String result;

        // no remembered set summary output

        result = TestRemsetLoggingTools.runTest(null, 0);

        TestRemsetLoggingTools.expectRSetSummaries(result, 0, 0);

        // no remembered set summary output

        result = TestRemsetLoggingTools.runTest(null, 2);

        TestRemsetLoggingTools.expectRSetSummaries(result, 0, 0);

        // no remembered set summary output

        result = TestRemsetLoggingTools.runTest(new String[] { "-XX:G1SummarizeRSetStatsPeriod=1" }, 3);

        TestRemsetLoggingTools.expectRSetSummaries(result, 0, 0);

        // single remembered set summary output at the end

        result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace" }, 0);

        TestRemsetLoggingTools.expectRSetSummaries(result, 1, 0);

        // single remembered set summary output at the end

        result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace" }, 2);

        TestRemsetLoggingTools.expectRSetSummaries(result, 1, 0);

        // single remembered set summary output

        result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=1" }, 0);

        TestRemsetLoggingTools.expectRSetSummaries(result, 1, 0);

        // two times remembered set summary output

        result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=1" }, 1);

        TestRemsetLoggingTools.expectRSetSummaries(result, 1, 2);

        // four times remembered set summary output

        result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=1" }, 3);

        TestRemsetLoggingTools.expectRSetSummaries(result, 1, 6);

        // three times remembered set summary output

        result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=2" }, 3);

        TestRemsetLoggingTools.expectRSetSummaries(result, 1, 4);

        // single remembered set summary output

        result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=100" }, 3);

        TestRemsetLoggingTools.expectRSetSummaries(result, 1, 2);

    }

}