jdk8-mips64-public/langtools: test/tools/javap/T8032819.java@153d0309e698

     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 8032819

    27  * @summary Extra empty line between field declarations for the "-v -c" and "-v -l" combination of options

    28  * @compile -g T8032819.java

    29  * @run main T8032819

    30  */

    32 import java.io.*;

    33 import java.util.*;

    35 public class T8032819 {

    36     static class Fields {

    37         int f1;

    38         int f2;

    39     }

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

    42         new T8032819().run();

    43     }

    45     void run() throws Exception {

    46         Class<?> clazz = Fields.class;

    47         test(clazz);

    48         test(clazz, "-c");

    49         test(clazz, "-l");

    50         test(clazz, "-l", "-c");

    51         test(clazz, "-v");

    52         test(clazz, "-v", "-c");

    53         test(clazz, "-v", "-l");

    54         test(clazz, "-v", "-l", "-c");

    56         if (errors > 0)

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

    58     }

    60     static final String sep = System.getProperty("line.separator");

    61     static final String doubleBlankLine = sep + sep + sep;

    63     void test(Class<?> clazz, String... opts) throws Exception {

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

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

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

    67         args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes")));

    68         args.add(clazz.getName());

    69         StringWriter sw = new StringWriter();

    70         PrintWriter pw = new PrintWriter(sw);

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

    72         pw.close();

    73         String out = sw.toString();

    74         if (rc != 0)

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

    77         int count = 0;

    78         int i = out.indexOf(doubleBlankLine, 0);

    79         while (i != -1) {

    80             count++;

    81             i = out.indexOf(doubleBlankLine, i + doubleBlankLine.length());

    82         }

    84         if (count > 0)

    85             error(count + " double blank lines found");

    86     }

    88     void error(String msg) {

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

    90         errors++;

    91     }

    93     int errors = 0;

    94 }

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