1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.    See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 8140348

    27  * @summary safepoint=trace should have output from each log statement in the code

    28  * @library /testlibrary

    29  * @compile SafepointTestMain.java

    30  * @modules java.base/sun.misc

    31  *          java.management

    32  * @build SafepointTest

    33  * @run main SafepointTest

    34  */

    35 

    36 import jdk.test.lib.*;

    37 

    38 public class SafepointTest {

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

    40         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    41             "-Xlog:safepoint=trace", "SafepointTestMain");

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

    43         output.shouldContain("Safepoint synchronization initiated. (");

    44         output.shouldContain(" thread(s) to block");

    45         output.shouldContain("Entering safepoint region: ");

    46         output.shouldContain("Leaving safepoint region");

    47         output.shouldContain("_at_poll_safepoint");

    48         output.shouldContain("... found polling page ");

    49         output.shouldHaveExitValue(0);

    50     }

    51 }