1 /*

     2  * Copyright (c) 2013, 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  */

    23 

    24 /*

    25  * @test

    26  * @bug 8022163

    27  * @summary javac exits with 0 status and no messages on error to construct an ann-procesor

    28  */

    29 

    30 import java.io.*;

    31 

    32 public class TestBadProcessor {

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

    34         new TestBadProcessor().run();

    35     }

    36 

    37     public static final String badAnnoProcSrc =

    38         "import java.util.*;\n" +

    39         "import javax.annotation.processing.*;\n" +

    40         "import javax.lang.model.element.*;\n" +

    41 

    42         "public class AnnoProc extends AbstractProcessor {\n" +

    43         "    public AnnoProc() {\n" +

    44         "        throw new Error();\n" +

    45         "    }\n" +

    46 

    47         "    public boolean process(Set<? extends TypeElement> elems, \n" +

    48         "                        RoundEnvironment rEnv) {\n" +

    49         "        return false;\n" +

    50         "    }\n" +

    51         "}\n";

    52 

    53     public void run() throws Exception {

    54         // setup

    55         File srcDir = new File("src");

    56         File classesDir = new File("classes");

    57         classesDir.mkdirs();

    58         File srcFile = writeFile(srcDir, "AnnoProc.java", badAnnoProcSrc);

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

    60         writeFile(classesDir, "META-INF/services/javax.annotation.processing.Processor", "AnnoProc");

    61 

    62         // run the primary compilation

    63         int rc;

    64         StringWriter sw = new StringWriter();

    65         try (PrintWriter pw = new PrintWriter(sw)) {

    66             String[] args = { "-processorpath", classesDir.getPath(), srcFile.getPath() };

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

    68         }

    69 

    70         // verify that it failed as expected, with the expected message

    71         String out = sw.toString();

    72         System.err.println(out);

    73         String expect = "error: Bad service configuration file, " +

    74                 "or exception thrown while constructing Processor object: " +

    75                 "javax.annotation.processing.Processor: " +

    76                 "Provider AnnoProc could not be instantiated: java.lang.Error";

    77         if (!out.trim().equals(expect)) {

    78             System.err.println("expected: " + expect);

    79             error("output not as expected");

    80         }

    81 

    82         if (rc == 0) {

    83             error("unexpected exit code: " + rc + "; expected: not zero");

    84         }

    85 

    86         // summary

    87         if (errors > 0)

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

    89     }

    90 

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

    92         int rc;

    93         StringWriter sw = new StringWriter();

    94         try (PrintWriter pw = new PrintWriter(sw)) {

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

    96         }

    97         String out = sw.toString();

    98         if (!out.isEmpty())

    99             System.err.println(out);

   100         if (rc != 0)

   101             throw new Exception("compilation failed");

   102     }

   103 

   104     File writeFile(File dir, String path, String body) throws IOException {

   105         File f = new File(dir, path);

   106         f.getParentFile().mkdirs();

   107         try (FileWriter out = new FileWriter(f)) {

   108             out.write(body);

   109         }

   110         return f;

   111     }

   112 

   113     void error(String msg) {

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

   115         errors++;

   116     }

   117 

   118     int errors;

   119 }