jdk8-mips64-public/langtools: test/tools/javac/processing/model/element/TestNames.java@396b117c1743

6939618: Revert 'simple' diamond implementation
Summary: backout changeset for 6840638
Reviewed-by: jjg

     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 6380016

    27  * @summary Test that the constraints guaranteed by the Filer and maintained

    28  * @author  Joseph D. Darcy

    29  * @build TestNames

    30  * @compile -processor TestNames -proc:only TestNames.java

    31  */

    33 import java.util.Set;

    34 import javax.annotation.processing.*;

    35 import javax.lang.model.SourceVersion;

    36 import static javax.lang.model.SourceVersion.*;

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

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

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

    40 import static javax.tools.Diagnostic.Kind.*;

    41 import static javax.tools.StandardLocation.*;

    43 import java.io.*;

    45 /**

    46  * Basic tests of semantics of javax.lang.model.element.Name

    47  */

    48 @SupportedAnnotationTypes("*")

    49 public class TestNames extends AbstractProcessor {

    50     private int round = 0;

    51     private Filer filer;

    52     private Elements eltUtils;

    54     String stringStringName = "java.lang.String";

    55     Name stringName = null;

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

    58                            RoundEnvironment roundEnv) {

    59         round++;

    60         if (!roundEnv.processingOver()) {

    61             boolean failed = false;

    63             switch(round) {

    64             case 1:

    66             TypeElement stringMirror = eltUtils.getTypeElement(stringStringName);

    67             stringName = stringMirror.getQualifiedName();

    68             Name stringPseudoName = Pseudonym.getName(stringName.toString());

    71             if (stringName.equals(stringPseudoName))

    72                 failed = true;

    73             if (!stringName.contentEquals(stringStringName))

    74                 failed = true;

    75             if (!stringName.contentEquals(stringPseudoName))

    76                 failed = true;

    79             try {

    80                 // Force another round with a new context

    81                 PrintWriter pw = new PrintWriter(filer.createSourceFile("Foo").openWriter());

    82                 pw.println("public class Foo {}");

    83                 pw.close();

    84             } catch (IOException ioe) {

    85                 throw new RuntimeException();

    86             }

    87             break;

    89             case 2:

    90                 Name stringStringAsName = eltUtils.getName(stringStringName);

    91                 TypeElement stringMirror2 = eltUtils.getTypeElement(stringStringName);

    92                 Name stringName2 = stringMirror2.getQualifiedName();

    94                 if (stringStringAsName != stringName ||

    95                     stringName != stringName2)

    96                     failed = true;

    97                 break;

    99             default:

   100                 throw new RuntimeException("Unexpected round " + round);

   101             }

   103             if (failed)

   104                 throw new RuntimeException("Invalid name equality checks.");

   105         }

   106         return true;

   107     }

   109     public SourceVersion getSupportedSourceVersion() {

   110         return SourceVersion.latest();

   111     }

   113     public void init(ProcessingEnvironment processingEnv) {

   114         super.init(processingEnv);

   115         filer    = processingEnv.getFiler();

   116         eltUtils = processingEnv.getElementUtils();

   117     }

   119     private static class Pseudonym implements Name {

   120         private String name;

   122         private Pseudonym(String name) {

   123             this.name = name;

   124         }

   126         public static Pseudonym getName(String name) {

   127             return new Pseudonym(name);

   128         }

   130         public boolean contentEquals(CharSequence cs) {

   131             return name.contentEquals(cs);

   132         }

   134         public char charAt(int index) {

   135             return name.charAt(index);

   136         }

   138         public int length() {

   139             return name.length();

   140         }

   142         public CharSequence subSequence(int start, int end) {

   143             return name.subSequence(start, end);

   144         }

   146         public String toString() {

   147             return name;

   148         }

   149     }

   150 }

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