jdk8-mips64-public/langtools: test/tools/javap/T7004698.java@4a48f3173534

     1 /*

     2  * Copyright (c) 2010, 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 7004698

    27  * @summary javap does not output CharacterRangeTable attributes correctly

    28  */

    30 import java.io.*;

    31 import java.util.*;

    32 import java.util.regex.*;

    34 public class T7004698 {

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

    36         new T7004698().run();

    37     }

    39     void run() throws Exception {

    40         File srcDir = new File(System.getProperty("test.src"));

    41         File srcFile = new File(srcDir, T7004698.class.getSimpleName() + ".java");

    42         File classesDir = new File(".");

    43         compile("-Xjcov", "-d", classesDir.getPath(), srcFile.getPath());

    45         File classFile = new File(classesDir, T7004698.class.getSimpleName() + ".class");

    46         String out = javap("-v", classFile.getPath());

    48         Pattern attrBody = Pattern.compile("[0-9a-f, ]+//[-0-9a-z:, ]+");

    49         Pattern endOfAttr = Pattern.compile("(^$|[A-Z][A-Za-z0-9_]+:.*|})");

    50         boolean inAttr = false;

    51         int count = 0;

    52         int errors = 0;

    53         for (String line: out.split(System.getProperty("line.separator"))) {

    54             line = line.trim();

    55             if (line.equals("CharacterRangeTable:")) {

    56                 inAttr = true;

    57                 count++;

    58             } else if (inAttr) {

    59                 if (endOfAttr.matcher(line).matches()) {

    60                     inAttr = false;

    61                 } else if (!attrBody.matcher(line).matches()) {

    62                     System.err.println("unexpected line found: " + line);

    63                     errors++;

    64                 }

    65             }

    66         }

    67         if (count == 0)

    68             throw new Exception("no attribute instances found");

    70         if (errors > 0)

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

    72     }

    74     void compile(String... args) throws Exception {

    75         StringWriter sw = new StringWriter();

    76         PrintWriter pw = new PrintWriter(sw);

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

    78         pw.close();

    79         String out = sw.toString();

    80         if (!out.isEmpty())

    81             System.err.println(out);

    82         if (rc != 0)

    83             throw new Exception("javac failed unexpectedly; rc=" + rc);

    84     }

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

    87         StringWriter sw = new StringWriter();

    88         PrintWriter pw = new PrintWriter(sw);

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

    90         pw.close();

    91         String out = sw.toString();

    92         if (!out.isEmpty())

    93             System.err.println(out);

    94         if (rc != 0)

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

    96         return out;

    97     }

    98 }

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