T6421111.java revision 494:fe17a9dbef03
1235251Seadler/* 2244164Seadler * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. 3270114Sse * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4235251Seadler * 5235251Seadler * This code is free software; you can redistribute it and/or modify it 6235251Seadler * under the terms of the GNU General Public License version 2 only, as 7235251Seadler * published by the Free Software Foundation. 8235251Seadler * 9235251Seadler * This code is distributed in the hope that it will be useful, but WITHOUT 10235251Seadler * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11235251Seadler * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12270114Sse * version 2 for more details (a copy is included in the LICENSE file that 13235251Seadler * accompanied this code). 14235251Seadler * 15270114Sse * You should have received a copy of the GNU General Public License version 16235251Seadler * 2 along with this work; if not, write to the Free Software Foundation, 17235251Seadler * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18235251Seadler * 19235251Seadler * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20235251Seadler * CA 95054 USA or visit www.sun.com if you need additional information or 21270114Sse * have any questions. 22235251Seadler */ 23235251Seadler 24235251Seadler/* 25235251Seadler * @test 26270114Sse * @bug 6421111 27235251Seadler * @summary NullPointerException thrown when retrieving bounds for the type parameter 28235251Seadler * @author Peter von der Ah\u00e9 29235251Seadler * @library ../lib 30235251Seadler * @compile -Xlint:all T6421111.java 31235251Seadler * @run main T6421111 32235251Seadler */ 33235251Seadler 34235251Seadlerimport java.io.File; 35235251Seadlerimport java.net.URI; 36235251Seadlerimport java.util.Arrays; 37235251Seadlerimport java.util.Collections; 38235251Seadlerimport java.util.Set; 39270114Sseimport javax.annotation.processing.AbstractProcessor; 40270114Sseimport javax.annotation.processing.RoundEnvironment; 41270114Sseimport javax.annotation.processing.SupportedAnnotationTypes; 42270114Sseimport javax.annotation.processing.SupportedSourceVersion; 43235251Seadlerimport javax.lang.model.SourceVersion; 44235251Seadlerimport javax.lang.model.element.TypeElement; 45235251Seadlerimport javax.lang.model.element.TypeParameterElement; 46235251Seadlerimport javax.lang.model.type.DeclaredType; 47235251Seadlerimport javax.lang.model.type.TypeVariable; 48235251Seadlerimport javax.tools.SimpleJavaFileObject; 49235251Seadler 50235251Seadlerimport static javax.tools.JavaFileObject.Kind.SOURCE; 51270114Sse 52235251Seadlerpublic class T6421111 extends ToolTester { 53235251Seadler void test(String... args) { 54235251Seadler class Test1 extends SimpleJavaFileObject { 55235251Seadler Test1() { 56235251Seadler super(URI.create("myfo:///Test1.java"), SOURCE); 57235251Seadler } 58235251Seadler @Override 59235251Seadler public String getCharContent(boolean ignoreEncodingErrors) { 60235251Seadler return "class Test1<T extends Thread & Runnable> {}"; 61235251Seadler } 62235251Seadler } 63235251Seadler class Test2 extends SimpleJavaFileObject { 64235251Seadler Test2() { 65235251Seadler super(URI.create("myfo:///Test2.java"), SOURCE); 66235251Seadler } 67235251Seadler @Override 68235251Seadler public String getCharContent(boolean ignoreEncodingErrors) { 69235251Seadler return "class Test2<T extends Test2<T> & Runnable> {}"; 70235251Seadler } 71235251Seadler } 72235251Seadler task = tool.getTask(null, fm, null, Collections.singleton("-Xlint:all"), null, 73235251Seadler Arrays.asList(new Test1(), new Test2())); 74235251Seadler task.setProcessors(Collections.singleton(new MyProcessor())); 75235251Seadler if (!task.call()) 76235251Seadler throw new AssertionError("Annotation processor failed"); 77235251Seadler } 78235251Seadler @SupportedAnnotationTypes("*") 79235251Seadler static class MyProcessor extends AbstractProcessor { 80235251Seadler void test(TypeElement element, boolean fbound) { 81235251Seadler TypeParameterElement tpe = element.getTypeParameters().iterator().next(); 82235251Seadler tpe.getBounds().getClass(); 83235251Seadler if (fbound) { 84235251Seadler DeclaredType type = (DeclaredType)tpe.getBounds().get(0); 85235251Seadler if (type.asElement() != element) 86235251Seadler throw error("%s != %s", type.asElement(), element); 87235251Seadler TypeVariable tv = (TypeVariable)type.getTypeArguments().get(0); 88235251Seadler if (tv.asElement() != tpe) 89235251Seadler throw error("%s != %s", tv.asElement(), tpe); 90235251Seadler } 91235251Seadler } 92235251Seadler public boolean process(Set<? extends TypeElement> annotations, 93235251Seadler RoundEnvironment roundEnv) { 94235251Seadler test(processingEnv.getElementUtils().getTypeElement("Test1"), false); 95235251Seadler test(processingEnv.getElementUtils().getTypeElement("Test2"), true); 96235251Seadler return false; 97235251Seadler } 98235251Seadler @Override 99235251Seadler public SourceVersion getSupportedSourceVersion() { 100235251Seadler return SourceVersion.latest(); 101235251Seadler } 102235251Seadler } 103235251Seadler public static void main(String... args) { 104235251Seadler new T6421111().test(args); 105235251Seadler } 106235251Seadler public static AssertionError error(String format, Object... args) { 107235251Seadler return new AssertionError(String.format(format, args)); 108235251Seadler } 109235251Seadler} 110235251Seadler