jdk8-mips64-public/langtools: test/tools/javap/T8033180.java@0b6cc4ea670f

     1 /*

     2  * Copyright (c) 2014, 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  */

    24 /*

    25  * @test

    26  * @bug 8033180

    27  * @summary Bad newline characters

    28  */

    30 import java.io.*;

    31 import java.util.*;

    33 public class T8033180 {

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

    36         new T8033180().run();

    37     }

    39     void run() throws Exception {

    40         // fast-track this case, because test cannot fail in this case

    41         if (lineSep.equals(nl))

    42             return;

    44         test("-help");

    45         test("-version");

    47         if (errors > 0)

    48             throw new Exception(errors + " errors occurred");

    49     }

    51     static final String lineSep = System.getProperty("line.separator");

    52     static final String nl = "\n";

    54     void test(String... opts) throws Exception {

    55         System.err.println("test " + Arrays.asList(opts));

    56         List<String> args = new ArrayList<String>();

    57         args.addAll(Arrays.asList(opts));

    58         StringWriter sw = new StringWriter();

    59         PrintWriter pw = new PrintWriter(sw);

    60         int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);

    61         pw.close();

    62         String out = sw.toString();

    63         if (rc != 0)

    64             throw new Exception("javap failed unexpectedly: rc=" + rc);

    66         // remove all valid platform newline sequences

    67         String out2 = out.replace(lineSep, "");

    69         // count the remaining simple newline characters

    70         int count = 0;

    71         int i = out2.indexOf(nl, 0);

    72         while (i != -1) {

    73             count++;

    74             i = out2.indexOf(nl, i + nl.length());

    75         }

    77         if (count > 0)

    78             error(count + " newline characters found");

    79     }

    81     void error(String msg) {

    82         System.err.println("Error: " + msg);

    83         errors++;

    84     }

    86     int errors = 0;

    87 }

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