jdk8-mips64-public/langtools: test/tools/javap/T8032814.java@683b3e7e05a7

     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 8032814

    27  * @summary LineNumberTable/LocalVariableTable tables duplication for the

    28  *          "-v -l" combination of options

    29  * @compile -g T8032814.java

    30  * @run main T8032814

    31  */

    33 import java.io.*;

    34 import java.util.*;

    36 public class T8032814 {

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

    38         new T8032814().run();

    39     }

    41     void run() throws Exception {

    42         Class<?> clazz = T8032814.class;

    43         int count = clazz.getDeclaredConstructors().length

    44                 + clazz.getDeclaredMethods().length;

    45         test(clazz, 0);

    46         test(clazz, count, "-v");

    47         test(clazz, count, "-l");

    48         test(clazz, count, "-v", "-l");

    50         if (errors > 0)

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

    52     }

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

    55         System.err.println("test class " + clazz.getName() + " " + Arrays.asList(opts) + ": expect: " + expectedCount);

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

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

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

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

    60         StringWriter sw = new StringWriter();

    61         PrintWriter pw = new PrintWriter(sw);

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

    63         pw.close();

    64         String out = sw.toString();

    65         if (rc != 0)

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

    68         int lntCount = 0, lvtCount = 0;

    69         for (String line: out.split("[\r\n]+")) {

    70             if (line.matches("^ *LineNumberTable:$"))

    71                 lntCount++;

    72             if (line.matches("^ *LocalVariableTable:$"))

    73                 lvtCount++;

    74         }

    75         checkEqual("LineNumberTable", lntCount, expectedCount);

    76         checkEqual("LocalVariableTable", lvtCount, expectedCount);

    77     }

    79     void checkEqual(String attr, int found, int expect) {

    80         if (found != expect) {

    81             error("Unexpected number of occurrences of " + attr + "\n" +

    82                 "found: " + found + ", expected: " + expect);

    83         }

    84     }

    86     void error(String msg) {

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

    88         errors++;

    89     }

    91     int errors = 0;

    92 }

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