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comparison mx/JUnitWrapper.java @ 8406:2bfb9644dcc2

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unittest: call wrapper to avoid long command lines on windows there's a restriction of ~32k characters for the whole command line. fwiw, linux/bsd have also restrictions, but it is unlikely that we'll ever hit that (2097k characters on my linux machine).
author Bernhard Urban <bernhard.urban@jku.at>
date Mon, 18 Mar 2013 19:18:42 +0100
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children 94d98d334ccd
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8405:743d0ac1fc81 8406:2bfb9644dcc2
1 /*
2 * Copyright (c) 2013, 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 /* Execute testcases by reading names from a given file, due to limits of
26 * the operating system regarding command line size (windows: 32k,
27 * linux [depending on the settings]: ~2097k)
28 * see http://msdn.microsoft.com/en-us/library/ms682425%28VS.85%29.aspx
29 */
30
31 import org.junit.runner.*;
32 import java.io.*;
33 import java.util.*;
34
35 public class JUnitWrapper {
36
37 /**
38 * @param args
39 * args[0] is the path where to read the names of the testclasses.
40 */
41 public static void main(String[] args) {
42 if (args.length == 0) {
43 System.err.printf("wrong usage. provide a filename\n");
44 System.exit(1);
45 }
46 ArrayList<String> tests = new ArrayList<String>(1000);
47 BufferedReader br = null;
48 try {
49 br = new BufferedReader(new FileReader(args[0]));
50
51 String buf;
52 while ((buf = br.readLine()) != null) {
53 tests.add(buf);
54 }
55 } catch (IOException ioe) {
56 ioe.printStackTrace();
57 System.exit(2);
58 } finally {
59 try {
60 if (br != null) {
61 br.close();
62 }
63 } catch (IOException ioe) {
64 ioe.printStackTrace();
65 System.exit(3);
66 }
67 }
68
69 String[] strargs = tests.toArray(new String[tests.size()]);
70 System.out.printf("executing junit tests now... (%d testclasses)\n", strargs.length);
71 JUnitCore.main(strargs);
72 }
73 }