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 */ 23 24 /* 25 * @test 26 * @bug 6421111 27 * @summary NullPointerException thrown when retrieving bounds for the type parameter 28 * @author Peter von der Ah\u00e9 29 * @library ../lib 30 * @compile -Xlint:all T6421111.java 31 * @run main T6421111 32 */ 33 34 import java.io.File; 35 import java.net.URI; 36 import java.util.Arrays; 37 import java.util.Collections; 38 import java.util.Set; 39 import javax.annotation.processing.AbstractProcessor; 40 import javax.annotation.processing.RoundEnvironment; 41 import javax.annotation.processing.SupportedAnnotationTypes; 42 import javax.annotation.processing.SupportedSourceVersion; 43 import javax.lang.model.SourceVersion; 44 import javax.lang.model.element.TypeElement; 45 import javax.lang.model.element.TypeParameterElement; 46 import javax.lang.model.type.DeclaredType; 47 import javax.lang.model.type.TypeVariable; 48 import javax.tools.SimpleJavaFileObject; 49 50 import static javax.tools.JavaFileObject.Kind.SOURCE; 51 52 public class T6421111 extends ToolTester { 53 void test(String... args) { 54 class Test1 extends SimpleJavaFileObject { 55 Test1() { 56 super(URI.create("myfo:///Test1.java"), SOURCE); 57 } 58 @Override 59 public String getCharContent(boolean ignoreEncodingErrors) { 60 return "class Test1<T extends Thread & Runnable> {}"; 61 } 62 } 63 class Test2 extends SimpleJavaFileObject { 64 Test2() { 65 super(URI.create("myfo:///Test2.java"), SOURCE); 66 } 67 @Override 68 public String getCharContent(boolean ignoreEncodingErrors) { 69 return "class Test2<T extends Test2<T> & Runnable> {}"; 70 } 71 } 72 task = tool.getTask(null, fm, null, Collections.singleton("-Xlint:all"), null, 73 Arrays.asList(new Test1(), new Test2())); 74 task.setProcessors(Collections.singleton(new MyProcessor())); 75 if (!task.call()) 76 throw new AssertionError("Annotation processor failed"); 77 } 78 @SupportedAnnotationTypes("*") 79 static class MyProcessor extends AbstractProcessor { 80 void test(TypeElement element, boolean fbound) { 81 TypeParameterElement tpe = element.getTypeParameters().iterator().next(); 82 tpe.getBounds().getClass(); 83 if (fbound) { 84 DeclaredType type = (DeclaredType)tpe.getBounds().get(0); 85 if (type.asElement() != element) 86 throw error("%s != %s", type.asElement(), element); 87 TypeVariable tv = (TypeVariable)type.getTypeArguments().get(0); 88 if (tv.asElement() != tpe) 89 throw error("%s != %s", tv.asElement(), tpe); 90 } 91 } 92 public boolean process(Set<? extends TypeElement> annotations, 93 RoundEnvironment roundEnv) { 94 test(processingEnv.getElementUtils().getTypeElement("Test1"), false); 95 test(processingEnv.getElementUtils().getTypeElement("Test2"), true); 96 return false; 97 } 98 @Override 99 public SourceVersion getSupportedSourceVersion() { 100 return SourceVersion.latest(); 101 } 102 } 103 public static void main(String... args) { 104 new T6421111().test(args); 105 } 106 public static AssertionError error(String format, Object... args) { 107 return new AssertionError(String.format(format, args)); 108 } 109 }