1 /*

     2  * Copyright (c) 2010, 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 6575373

    27  * @summary verify default segment limit

    28  * @compile SegmentLimit.java

    29  * @run main SegmentLimit

    30  */

    31 

    32 import java.io.BufferedReader;

    33 import java.io.Closeable;

    34 import java.io.File;

    35 import java.io.FileOutputStream;

    36 import java.io.IOException;

    37 import java.io.InputStream;

    38 import java.io.InputStreamReader;

    39 import java.io.PrintStream;

    40 

    41 /*

    42  * Run this against a large jar file, by default the packer should generate only

    43  * one segment, parse the output of the packer to verify if this is indeed true.

    44  */

    45 

    46 public class SegmentLimit {

    47 

    48     private static final File  javaHome = new File(System.getProperty("java.home"));

    49 

    50     public static void main(String... args) {

    51         if (!javaHome.getName().endsWith("jre")) {

    52             throw new RuntimeException("Error: requires an SDK to run");

    53         }

    54 

    55         File out = new File("test" + Pack200Test.PACKEXT);

    56         out.delete();

    57         runPack200(out);

    58     }

    59 

    60     static void close(Closeable c) {

    61         if (c == null) {

    62             return;

    63         }

    64         try {

    65             c.close();

    66         } catch (IOException ignore) {}

    67     }

    68 

    69     static void runPack200(File outFile) {

    70         File binDir = new File(javaHome, "bin");

    71         File pack200Exe = System.getProperty("os.name").startsWith("Windows")

    72                 ? new File(binDir, "pack200.exe")

    73                 : new File(binDir, "pack200");

    74         File sdkHome = javaHome.getParentFile();

    75         File testJar = new File(new File(sdkHome, "lib"), "tools.jar");

    76 

    77         System.out.println("using pack200: " + pack200Exe.getAbsolutePath());

    78 

    79         String[] cmds = { pack200Exe.getAbsolutePath(),

    80                           "--effort=1",

    81                           "--verbose",

    82                           "--no-gzip",

    83                           outFile.getName(),

    84                           testJar.getAbsolutePath()

    85         };

    86         InputStream is = null;

    87         BufferedReader br = null;

    88         InputStreamReader ir = null;

    89 

    90         FileOutputStream fos = null;

    91         PrintStream ps = null;

    92 

    93         try {

    94             ProcessBuilder pb = new ProcessBuilder(cmds);

    95             pb.redirectErrorStream(true);

    96             Process p = pb.start();

    97             is = p.getInputStream();

    98             ir = new InputStreamReader(is);

    99             br = new BufferedReader(ir);

   100 

   101             File logFile = new File("pack200.log");

   102             fos = new FileOutputStream(logFile);

   103             ps  = new PrintStream(fos);

   104 

   105             String line = br.readLine();

   106             int count = 0;

   107             while (line != null) {

   108                 line = line.trim();

   109                 if (line.matches(".*Transmitted.*files of.*input bytes in a segment of.*bytes")) {

   110                     count++;

   111                 }

   112                 ps.println(line);

   113                 line=br.readLine();

   114             }

   115             p.waitFor();

   116             if (p.exitValue() != 0) {

   117                 throw new RuntimeException("pack200 failed");

   118             }

   119             p.destroy();

   120             if (count > 1) {

   121                 throw new Error("test fails: check for multiple segments(" +

   122                         count + ") in: " + logFile.getAbsolutePath());

   123             }

   124         } catch (IOException ex) {

   125             throw new RuntimeException(ex.getMessage());

   126         } catch (InterruptedException ignore){

   127         } finally {

   128             close(is);

   129             close(ps);

   130             close(fos);

   131         }

   132     }

   133 }

   134