1 /*
   2  * Copyright (c) 2006, 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  */
  23 
  24 /*
  25  * @test
  26  * @bug     6345812
  27  * @summary Validate argument kinds in Types utilities
  28  * @author  Scott Seligman
  29  * @library ../../../lib
  30  * @build JavacTestingAbstractProcessor
  31  * @build   TypesBadArg
  32  * @compile -processor TypesBadArg -proc:only TypesBadArg.java
  33  */
  34 
  35 import java.util.Set;
  36 import javax.annotation.processing.*;
  37 import javax.lang.model.element.*;
  38 import javax.lang.model.type.*;
  39 import javax.lang.model.util.*;
  40 
  41 public class TypesBadArg extends JavacTestingAbstractProcessor {
  42     boolean success = true;
  43 
  44     public boolean process(Set<? extends TypeElement> tes,
  45                            RoundEnvironment round) {
  46         if (round.processingOver()) return true;
  47 
  48         final Elements elements = processingEnv.getElementUtils();
  49         final Types types = processingEnv.getTypeUtils();
  50 
  51         final TypeMirror javaLang =
  52             elements.getPackageElement("java.lang").asType();
  53 
  54         makeBadCall(new Runnable() {
  55             public void run() {
  56                 types.isSubtype(javaLang, javaLang);
  57             }
  58         });
  59         makeBadCall(new Runnable() {
  60             public void run() {
  61                 types.isAssignable(javaLang, javaLang);
  62             }
  63         });
  64         makeBadCall(new Runnable() {
  65             public void run() {
  66                 types.contains(javaLang, javaLang);
  67             }
  68         });
  69         makeBadCall(new Runnable() {
  70             public void run() {
  71                 types.directSupertypes(javaLang);
  72             }
  73         });
  74         makeBadCall(new Runnable() {
  75             public void run() {
  76                 types.erasure(javaLang);
  77             }
  78         });
  79         makeBadCall(new Runnable() {
  80             public void run() {
  81                 types.capture(javaLang);
  82             }
  83         });
  84         makeBadCall(new Runnable() {
  85             public void run() {
  86                 types.unboxedType(javaLang);
  87             }
  88         });
  89         makeBadCall(new Runnable() {
  90             public void run() {
  91                 types.unboxedType(types.getNoType(TypeKind.VOID));
  92             }
  93         });
  94         if (! success)
  95             throw new AssertionError("Some test(s) failed.");
  96         return true;
  97     }
  98 
  99     private void makeBadCall(Runnable runnable) {
 100         try {
 101             runnable.run();
 102             System.out.println("Failure: IllegalArgumentException expected");
 103             success = false;
 104         } catch (IllegalArgumentException e) {
 105             System.out.println("IllegalArgumentException as expected");
 106         }
 107     }
 108 }