T8033180.java revision 2942:08092deced3f 
1/*
2 * Copyright (c) 2014, 2015, 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 8033180
27 * @summary Bad newline characters
28 * @modules jdk.jdeps
29 */
30
31import java.io.*;
32import java.util.*;
33
34public class T8033180 {
35
36    public static void main(String... args) throws Exception {
37        new T8033180().run();
38    }
39
40    void run() throws Exception {
41        // fast-track this case, because test cannot fail in this case
42        if (lineSep.equals(nl))
43            return;
44
45        test("-help");
46        test("-version");
47
48        if (errors > 0)
49            throw new Exception(errors + " errors occurred");
50    }
51
52    static final String lineSep = System.getProperty("line.separator");
53    static final String nl = "\n";
54
55    void test(String... opts) throws Exception {
56        System.err.println("test " + Arrays.asList(opts));
57        List<String> args = new ArrayList<String>();
58        args.addAll(Arrays.asList(opts));
59        StringWriter sw = new StringWriter();
60        PrintWriter pw = new PrintWriter(sw);
61        int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);
62        pw.close();
63        String out = sw.toString();
64        if (rc != 0)
65            throw new Exception("javap failed unexpectedly: rc=" + rc);
66
67        // remove all valid platform newline sequences
68        String out2 = out.replace(lineSep, "");
69
70        // count the remaining simple newline characters
71        int count = 0;
72        int i = out2.indexOf(nl, 0);
73        while (i != -1) {
74            count++;
75            i = out2.indexOf(nl, i + nl.length());
76        }
77
78        if (count > 0)
79            error(count + " newline characters found");
80    }
81
82    void error(String msg) {
83        System.err.println("Error: " + msg);
84        errors++;
85    }
86
87    int errors = 0;
88}
89
90