jdk8-mips64-public/langtools: test/tools/javap/T4501661.java@20230f8b0eef

     1 /*

     2  * Copyright (c) 2008, 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 import java.io.*;

    25 import java.util.*;

    27 /*

    28  * @test

    29  * @bug 4501661

    30  * @summary disallow mixing -public, -private, and -protected

    31  */

    32 public class T4501661 {

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

    34         new T4501661().run();

    35     }

    37     void run() throws Exception {

    38         File javaFile = writeTestFile();

    39         File classFile = compileTestFile(javaFile);

    40         boolean[] values = { false, true };

    41         for (boolean priv: values) {

    42             for (boolean prot: values) {

    43                 for (boolean publ: values) {

    44                     test(priv, prot, publ, classFile);

    45                 }

    46             }

    47         }

    49         if (errors > 0)

    50             throw new Exception(errors + " errors found");

    51     }

    53     void test(boolean priv, boolean prot, boolean publ, File classFile) {

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

    55         if (priv)

    56             args.add("-private");

    57         if (prot)

    58             args.add("-protected");

    59         if (publ)

    60             args.add("-public");

    61         boolean expectOK = (args.size() <= 1);

    62         args.add(classFile.getPath());

    63         String out = javap(args, expectOK);

    64         if (out == null)

    65             return;

    66         if (!priv && !prot && !publ)

    67             checkNone(out, "private");

    68         if (prot)

    69             checkNone(out, "private", "package");

    70         if (publ)

    71             checkNone(out, "private", "package", "protected");

    72     }

    74     File writeTestFile() throws IOException {

    75         File f = new File("Test.java");

    76         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));

    77         out.println("abstract class Test { ");

    78         out.println("  public void public_m() { }");

    79         out.println("  protected void protected_m() { }");

    80         out.println("  private void private_m() { }");

    81         out.println("  void package_m() { }");

    82         out.println("}");

    83         out.close();

    84         return f;

    85     }

    87     File compileTestFile(File f) {

    88         int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });

    89         if (rc != 0)

    90             throw new Error("compilation failed. rc=" + rc);

    91         String path = f.getPath();

    92         return new File(path.substring(0, path.length() - 5) + ".class");

    93     }

    95     String javap(List<String> args, boolean expectOK) {

    96         StringWriter sw = new StringWriter();

    97         PrintWriter pw = new PrintWriter(sw);

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

    99         System.err.println(args);

   100         System.err.println(sw);

   101         if (expectOK) {

   102             if (rc == 0)

   103                 return sw.toString();

   104             else

   105                 error("javap failed unexpectedly; rc=" + rc + "\n" + sw);

   106         } else {

   107             if (rc == 0)

   108                 error("javap succeeded unexpectedly");

   109         }

   110         return null;

   111     }

   113     void checkNone(String log, String... words) {

   114         for (String word: words) {

   115             if (log.indexOf(word) != -1)

   116                 error("\"" + word + "\" unexpectedly found in output");

   117         }

   118     }

   120     void error(String msg) {

   121         System.err.println("error: " + msg);

   122         errors++;

   123     }

   125     int errors;

   126 }

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