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 segment limit
  28  * @compile -XDignore.symbol.file Utils.java SegmentLimit.java
  29  * @run main SegmentLimit
  30  * @author ksrini
  31  */
  32 
  33 import java.io.File;
  34 import java.util.ArrayList;
  35 import java.util.List;
  36 
  37 /*
  38  * Run this against a large jar file. The packer should generate only
  39  * one segment, parse the output of the packer to verify if this is indeed true.
  40  */
  41 
  42 public class SegmentLimit {
  43 
  44     public static void main(String... args) {
  45         File out = new File("test" + Utils.PACK_FILE_EXT);
  46         out.delete();
  47         runPack200(out);
  48     }
  49 
  50     static void runPack200(File outFile) { 
  51         File sdkHome = Utils.JavaSDK;
  52         File testJar = new File(new File(sdkHome, "lib"), "tools.jar");
  53 
  54         System.out.println("using pack200: " + Utils.getPack200Cmd());
  55 
  56         List<String> cmdsList = new ArrayList<String>();
  57         cmdsList.add(Utils.getPack200Cmd());
  58         cmdsList.add("--effort=1");
  59         cmdsList.add("--verbose");
  60         cmdsList.add("--no-gzip");
  61         cmdsList.add("--segment-limit=-1");
  62         cmdsList.add(outFile.getName());
  63         cmdsList.add(testJar.getAbsolutePath());
  64         List<String> outList = Utils.runExec(cmdsList);
  65 
  66         int count = 0;
  67         for (String line : outList) {
  68             System.out.println(line);
  69             if (line.matches(".*Transmitted.*files of.*input bytes in a segment of.*bytes")) {
  70                 count++;
  71             }
  72         }
  73         if (count != 1) {
  74             throw new Error("test fails: check for 0 or multiple segments");
  75         }
  76     }
  77 }
  78