jdk8-mips64-public/langtools: test/tools/javap/4111861/T4111861.java@8b65930602c3

     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.*;

    26 /*

    27  * @test

    28  * @bug 4111861

    29  * @summary static final field contents are not displayed

    30  */

    31 public class T4111861 {

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

    33         new T4111861().run();

    34     }

    36     void run() throws Exception {

    37         File testSrc = new File(System.getProperty("test.src", "."));

    38         File a_java = new File(testSrc, "A.java");

    39         javac("-d", ".", a_java.getPath());

    41         String out = javap("-classpath", ".", "-constants", "A");

    43         String a = read(a_java);

    45         if (!filter(out).equals(filter(read(a_java)))) {

    46             System.out.println(out);

    47             throw new Exception("unexpected output");

    48         }

    49     }

    51     String javac(String... args) throws Exception {

    52         StringWriter sw = new StringWriter();

    53         PrintWriter pw = new PrintWriter(sw);

    54         int rc = com.sun.tools.javac.Main.compile(args, pw);

    55         if (rc != 0)

    56             throw new Exception("javac failed, rc=" + rc);

    57         return sw.toString();

    58     }

    60     String javap(String... args) throws Exception {

    61         StringWriter sw = new StringWriter();

    62         PrintWriter pw = new PrintWriter(sw);

    63         int rc = com.sun.tools.javap.Main.run(args, pw);

    64         if (rc != 0)

    65             throw new Exception("javap failed, rc=" + rc);

    66         return sw.toString();

    67     }

    69     String read(File f) throws IOException {

    70         StringBuilder sb = new StringBuilder();

    71         BufferedReader in = new BufferedReader(new FileReader(f));

    72         try {

    73             String line;

    74             while ((line = in.readLine()) != null) {

    75                 sb.append(line);

    76                 sb.append('\n');

    77             }

    78         } finally {

    79             in.close();

    80         }

    81         return sb.toString();

    82     }

    84     // return those lines beginning "public static final"

    85     String filter(String s) throws IOException {

    86         StringBuilder sb = new StringBuilder();

    87         BufferedReader in = new BufferedReader(new StringReader(s));

    88         try {

    89             String line;

    90             while ((line = in.readLine()) != null) {

    91                 if (line.indexOf("public static final") > 0) {

    92                     sb.append(line.trim());

    93                     sb.append('\n');

    94                 }

    95             }

    96         } finally {

    97             in.close();

    98         }

    99         return sb.toString();

   100     }

   101 }

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