1 /* 2 * Copyright (c) 2006, 2015, 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 /tools/javac/lib 30 * @modules java.compiler 31 * jdk.compiler 32 * @build JavacTestingAbstractProcessor TypesBadArg 33 * @compile -processor TypesBadArg -proc:only TypesBadArg.java 34 */ 35 36 import java.util.Set; 37 import javax.annotation.processing.*; 38 import javax.lang.model.element.*; 39 import javax.lang.model.type.*; 40 import javax.lang.model.util.*; 41 42 public class TypesBadArg extends JavacTestingAbstractProcessor { 43 boolean success = true; 44 process(Set<? extends TypeElement> tes, RoundEnvironment round)45 public boolean process(Set<? extends TypeElement> tes, 46 RoundEnvironment round) { 47 if (round.processingOver()) return true; 48 49 final Elements elements = processingEnv.getElementUtils(); 50 final Types types = processingEnv.getTypeUtils(); 51 52 final TypeMirror javaLang = 53 elements.getPackageElement("java.lang").asType(); 54 55 makeBadCall(new Runnable() { 56 public void run() { 57 types.isSubtype(javaLang, javaLang); 58 } 59 }); 60 makeBadCall(new Runnable() { 61 public void run() { 62 types.isAssignable(javaLang, javaLang); 63 } 64 }); 65 makeBadCall(new Runnable() { 66 public void run() { 67 types.contains(javaLang, javaLang); 68 } 69 }); 70 makeBadCall(new Runnable() { 71 public void run() { 72 types.directSupertypes(javaLang); 73 } 74 }); 75 makeBadCall(new Runnable() { 76 public void run() { 77 types.erasure(javaLang); 78 } 79 }); 80 makeBadCall(new Runnable() { 81 public void run() { 82 types.capture(javaLang); 83 } 84 }); 85 makeBadCall(new Runnable() { 86 public void run() { 87 types.unboxedType(javaLang); 88 } 89 }); 90 makeBadCall(new Runnable() { 91 public void run() { 92 types.unboxedType(types.getNoType(TypeKind.VOID)); 93 } 94 }); 95 if (! success) 96 throw new AssertionError("Some test(s) failed."); 97 return true; 98 } 99 makeBadCall(Runnable runnable)100 private void makeBadCall(Runnable runnable) { 101 try { 102 runnable.run(); 103 System.out.println("Failure: IllegalArgumentException expected"); 104 success = false; 105 } catch (IllegalArgumentException e) { 106 System.out.println("IllegalArgumentException as expected"); 107 } 108 } 109 } 110