| /* |
| * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6421111 |
| * @summary NullPointerException thrown when retrieving bounds for the type parameter |
| * @author Peter von der Ah\u00e9 |
| * @library ../lib |
| * @modules java.compiler |
| * jdk.compiler |
| * @build ToolTester |
| * @compile -Xlint:all T6421111.java |
| * @run main T6421111 |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Set; |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.annotation.processing.SupportedSourceVersion; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.element.TypeParameterElement; |
| import javax.lang.model.type.DeclaredType; |
| import javax.lang.model.type.TypeVariable; |
| import javax.tools.SimpleJavaFileObject; |
| |
| import static javax.tools.JavaFileObject.Kind.SOURCE; |
| |
| public class T6421111 extends ToolTester { |
| void test(String... args) { |
| class Test1 extends SimpleJavaFileObject { |
| Test1() { |
| super(URI.create("myfo:///Test1.java"), SOURCE); |
| } |
| @Override |
| public String getCharContent(boolean ignoreEncodingErrors) { |
| return "class Test1<T extends Thread & Runnable> {}"; |
| } |
| } |
| class Test2 extends SimpleJavaFileObject { |
| Test2() { |
| super(URI.create("myfo:///Test2.java"), SOURCE); |
| } |
| @Override |
| public String getCharContent(boolean ignoreEncodingErrors) { |
| return "class Test2<T extends Test2<T> & Runnable> {}"; |
| } |
| } |
| task = tool.getTask(null, fm, null, Collections.singleton("-Xlint:all"), null, |
| Arrays.asList(new Test1(), new Test2())); |
| task.setProcessors(Collections.singleton(new MyProcessor())); |
| if (!task.call()) |
| throw new AssertionError("Annotation processor failed"); |
| } |
| @SupportedAnnotationTypes("*") |
| static class MyProcessor extends AbstractProcessor { |
| void test(TypeElement element, boolean fbound) { |
| TypeParameterElement tpe = element.getTypeParameters().iterator().next(); |
| tpe.getBounds().getClass(); |
| if (fbound) { |
| DeclaredType type = (DeclaredType)tpe.getBounds().get(0); |
| if (type.asElement() != element) |
| throw error("%s != %s", type.asElement(), element); |
| TypeVariable tv = (TypeVariable)type.getTypeArguments().get(0); |
| if (tv.asElement() != tpe) |
| throw error("%s != %s", tv.asElement(), tpe); |
| } |
| } |
| public boolean process(Set<? extends TypeElement> annotations, |
| RoundEnvironment roundEnv) { |
| test(processingEnv.getElementUtils().getTypeElement("Test1"), false); |
| test(processingEnv.getElementUtils().getTypeElement("Test2"), true); |
| return false; |
| } |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latest(); |
| } |
| } |
| public static void main(String... args) throws IOException { |
| try (T6421111 t = new T6421111()) { |
| t.test(args); |
| } |
| } |
| public static AssertionError error(String format, Object... args) { |
| return new AssertionError(String.format(format, args)); |
| } |
| } |