1 /*

     2  * Copyright (c) 2011, 2014, 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 static jdk.testlibrary.Asserts.*;

    25 

    26 import java.io.File;

    27 import java.io.IOException;

    28 import java.util.List;

    29 

    30 import jdk.testlibrary.JcmdBase;

    31 import jdk.testlibrary.OutputAnalyzer;

    32 import jdk.testlibrary.Utils;

    33 

    34 /**

    35  * Unit test for jcmd utility. Tests jcmd options which do not send

    36  * requests to a specific JVM process.

    37  */

    38 /*

    39  * @test

    40  * @bug 7104647

    41  * @library /lib/testlibrary

    42  * @run main TestJcmdDefaults

    43  */

    44 public class TestJcmdDefaults {

    45 

    46     private static final String TEST_SRC = System.getProperty("test.src").trim();

    47     private static final String[] VM_ARGS = new String[] { "-XX:+UsePerfData" };

    48     private static final String JCMD_LIST_REGEX = "^\\d+\\s*.*";

    49 

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

    51         testJcmdUsage("-h");

    52         testJcmdUsage("-help");

    53         testJcmdDefaults();

    54         testJcmdDefaults("-l");

    55     }

    56 

    57     /**

    58      * jcmd -J-XX:+UsePerfData -h

    59      * jcmd -J-XX:+UsePerfData -help

    60      */

    61     private static void testJcmdUsage(String... jcmdArgs) throws Exception {

    62         OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs);

    63 

    64         assertNotEquals(output.getExitValue(), 0);

    65         verifyOutputAgainstFile(output);

    66     }

    67 

    68     /**

    69      * jcmd -J-XX:+UsePerfData

    70      * jcmd -J-XX:+UsePerfData -l

    71      */

    72     private static void testJcmdDefaults(String... jcmdArgs) throws Exception {

    73         OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs);

    74 

    75         output.shouldHaveExitValue(0);

    76         output.shouldContain("sun.tools.jcmd.JCmd");

    77         matchListedProcesses(output);

    78     }

    79 

    80     /**

    81      * Verifies the listed processes match a certain pattern.

    82      *

    83      * The output should look like:

    84      * 12246 sun.tools.jcmd.JCmd

    85      * 24428 com.sun.javatest.regtest.MainWrapper /tmp/jtreg/jtreg-workdir/classes/sun/tools/jcmd/TestJcmdDefaults.jta

    86      *

    87      * @param output The generated output from the jcmd.

    88      * @throws Exception

    89      */

    90     private static void matchListedProcesses(OutputAnalyzer output) throws Exception {

    91         int matchedCount = output.shouldMatchByLine(JCMD_LIST_REGEX);

    92         assertGreaterThan(matchedCount , 0,

    93                 "Found no lines matching pattern: " + JCMD_LIST_REGEX);

    94     }

    95 

    96     private static void verifyOutputAgainstFile(OutputAnalyzer output) throws IOException {

    97         File file = new File(TEST_SRC, "usage.out");

    98         List<String> fileOutput = Utils.fileAsList(file);

    99         List<String> outputAsLines = output.asLines();

   100         assertTrue(outputAsLines.containsAll(fileOutput),

   101                 "The ouput should contain all content of " + file.getAbsolutePath());

   102     }

   103 

   104 }