1 /*

     2  * Copyright (c) 2019, 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 import java.util.Arrays;

    25 

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

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

    28 import jdk.test.lib.JDKToolLauncher;

    29 

    30 /*

    31  * @test

    32  * @bug 8222491

    33  * @summary Tests if we handle the encoding of jcmd output correctly.

    34  * @library /test/lib

    35  * @run main JcmdOutputEncodingTest

    36  */

    37 public class JcmdOutputEncodingTest {

    38 

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

    40         testThreadDump();

    41     }

    42 

    43     private static void testThreadDump() throws Exception {

    44         String markerName = "markerName" + "\u00e4\u0bb5".repeat(10_000);

    45         Thread.currentThread().setName(markerName);

    46 

    47         JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jcmd");

    48         launcher.addToolArg(Long.toString(ProcessTools.getProcessId()));

    49         launcher.addToolArg("Thread.print");

    50 

    51         ProcessBuilder processBuilder = new ProcessBuilder();

    52         processBuilder.command(launcher.getCommand());

    53         OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);

    54         output.shouldHaveExitValue(0);

    55         output.shouldContain(markerName);

    56     }

    57 }