jdk8-mips64-public/langtools: test/tools/javac/processing/T6439826.java@44eaac2b4501

     1 /*

     2  * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 6439826 6411930 6380018 6392177

    27  * @summary Exception issuing Diagnostic while processing generated errant code

    28  */

    30 import java.io.*;

    31 import java.util.*;

    32 import javax.annotation.processing.*;

    33 import javax.lang.model.*;

    34 import javax.lang.model.element.*;

    35 import javax.tools.*;

    36 import com.sun.source.util.*;

    37 import com.sun.tools.javac.api.*;

    38 import static javax.lang.model.util.ElementFilter.*;

    41 @SupportedAnnotationTypes("*")

    42 @SupportedSourceVersion(SourceVersion.RELEASE_7 )

    43 public class T6439826 extends AbstractProcessor {

    44     public static void main(String... args) {

    45         String testSrc = System.getProperty("test.src", ".");

    46         String testClasses = System.getProperty("test.classes");

    47         JavacTool tool = JavacTool.create();

    48         MyDiagListener dl = new MyDiagListener();

    49         StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null);

    50         Iterable<? extends JavaFileObject> files =

    51             fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6439826.class.getName()+".java")));

    52         Iterable<String> opts = Arrays.asList("-proc:only",

    53                                               "-processor", "T6439826",

    54                                               "-processorpath", testClasses);

    55         StringWriter out = new StringWriter();

    56         JavacTask task = tool.getTask(out, fm, dl, opts, null, files);

    57         task.call();

    58         String s = out.toString();

    59         System.err.print(s);

    60         // Expect the following 2 diagnostics, and no output to log

    61         //   Foo.java:1: illegal character: \35

    62         //   Foo.java:1: reached end of file while parsing

    63         System.err.println(dl.count + " diagnostics; " + s.length() + " characters");

    64         if (dl.count != 2 || s.length() != 0)

    65             throw new AssertionError("unexpected output from compiler");

    66     }

    68     public boolean process(Set<? extends TypeElement> annotations,

    69                            RoundEnvironment roundEnv) {

    70         Set<? extends TypeElement> elems = typesIn(roundEnv.getRootElements());

    71         for (TypeElement e: elems) {

    72             if (e.getSimpleName().toString().equals(T6439826.class.getName()))

    73                 writeBadFile();

    74         }

    75         return false;

    76     }

    78     private void writeBadFile() {

    79         Filer filer = processingEnv.getFiler();

    80         Messager messager = processingEnv.getMessager();

    81         try {

    82             Writer out = filer.createSourceFile("Foo").openWriter();

    83             out.write("class Foo #"); // write a file that generates a scanner error

    84             out.close();

    85         } catch (IOException e) {

    86             messager.printMessage(Diagnostic.Kind.ERROR, e.toString());

    87         }

    88     }

    90     static class MyDiagListener implements DiagnosticListener {

    91         public void report(Diagnostic d) {

    92             System.err.println(d);

    93             count++;

    94         }

    96         public int count;

    97     }

    98 }

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