1 /*

     2  * Copyright 2010 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 import java.io.*;

    25 import java.util.*;

    26 

    27 /*

    28  * Wrapper for the EarlyAssert test to run the test in a JVM without assertions

    29  * enabled.

    30  */

    31 public class EarlyAssertWrapper {

    32     public static void main(String... args) throws Exception {

    33         EarlyAssertWrapper w = new EarlyAssertWrapper();

    34         w.run();

    35     }

    36 

    37     void run() throws Exception {

    38         List<String> cmd = new ArrayList<String>();

    39         File java_home = new File(System.getProperty("java.home"));

    40         if (java_home.getName().equals("jre"))

    41             java_home = java_home.getParentFile();

    42         cmd.add(new File(new File(java_home, "bin"), "java").getPath());

    43 

    44         // ensure we run with the same bootclasspath as this test,

    45         // in case this test is being run with -Xbootclasspath

    46         cmd.add("-Xbootclasspath:" + System.getProperty("sun.boot.class.path"));

    47 

    48         // propogate classpath

    49         cmd.add("-classpath");

    50         cmd.add(System.getProperty("java.class.path"));

    51 

    52         // ensure all assertions disabled in target VM

    53         cmd.add("-da");

    54         cmd.add("-dsa");

    55 

    56         cmd.add("EarlyAssert");

    57 

    58         System.err.println("Running command: " + cmd);

    59 

    60         ProcessBuilder pb = new ProcessBuilder(cmd);

    61         pb.redirectErrorStream(true);

    62         Process p = pb.start();

    63         p.getOutputStream().close();

    64 

    65         StringWriter sw = new StringWriter();

    66         PrintWriter pw = new PrintWriter(sw);

    67 

    68         String line;

    69         DataInputStream in = new DataInputStream(p.getInputStream());

    70         try {

    71         while ((line = in.readLine()) != null)

    72             pw.println(line);

    73         } finally {

    74             in.close();

    75         }

    76         pw.close();

    77 

    78         String out = sw.toString();

    79         int rc = p.waitFor();

    80         if (rc != 0 || out.length() > 0)

    81             throw new Error("failed: rc=" + rc + (out.length() > 0 ? ": " + out : ""));

    82     }

    83 }