1 /* 2 * Copyright (c) 2006, 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 * @build TypesBadArg 30 * @compile -processor TypesBadArg -proc:only TypesBadArg.java 31 */ 32 33 import java.util.Set; 34 import javax.annotation.processing.*; 35 import javax.lang.model.element.*; 36 import javax.lang.model.type.*; 37 import javax.lang.model.util.*; 38 39 @SupportedAnnotationTypes("*") 40 public class TypesBadArg extends AbstractProcessor { 41 42 boolean success = true; 43 44 public void init(ProcessingEnvironment penv) { 45 super.init(penv); 46 } 47 48 public boolean process(Set<? extends TypeElement> tes, 49 RoundEnvironment round) { 50 if (round.processingOver()) return true; 51 52 final Elements elements = processingEnv.getElementUtils(); 53 final Types types = processingEnv.getTypeUtils(); 54 55 final TypeMirror javaLang = 56 elements.getPackageElement("java.lang").asType(); 57 58 makeBadCall(new Runnable() { 59 public void run() { 60 types.isSubtype(javaLang, javaLang); 61 } 62 }); 63 makeBadCall(new Runnable() { 64 public void run() { 65 types.isAssignable(javaLang, javaLang); 66 } 67 }); 68 makeBadCall(new Runnable() { 69 public void run() { 70 types.contains(javaLang, javaLang); 71 } 72 }); 73 makeBadCall(new Runnable() { 74 public void run() { 75 types.directSupertypes(javaLang); 76 } 77 }); 78 makeBadCall(new Runnable() { 79 public void run() { 80 types.erasure(javaLang); 81 } 82 }); 83 makeBadCall(new Runnable() { 84 public void run() { 85 types.capture(javaLang); 86 } 87 }); 88 makeBadCall(new Runnable() { 89 public void run() { 90 types.unboxedType(javaLang); 91 } 92 }); 93 makeBadCall(new Runnable() { 94 public void run() { 95 types.unboxedType(types.getNoType(TypeKind.VOID)); 96 } 97 }); 98 if (! success) 99 throw new AssertionError("Some test(s) failed."); 100 return true; 101 } 102 103 private void makeBadCall(Runnable runnable) { 104 try { 105 runnable.run(); 106 System.out.println("Failure: IllegalArgumentException expected"); 107 success = false; 108 } catch (IllegalArgumentException e) { 109 System.out.println("IllegalArgumentException as expected"); 110 } 111 } 112 }