111 lines
4.4 KiB
Java
111 lines
4.4 KiB
Java
/*
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* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6421111
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* @summary NullPointerException thrown when retrieving bounds for the type parameter
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* @author Peter von der Ah\u00e9
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* @library ../lib
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* @build ToolTester
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* @compile -Xlint:all T6421111.java
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* @run main T6421111
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*/
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import java.io.File;
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import java.net.URI;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Set;
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import javax.annotation.processing.AbstractProcessor;
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import javax.annotation.processing.RoundEnvironment;
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import javax.annotation.processing.SupportedAnnotationTypes;
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import javax.annotation.processing.SupportedSourceVersion;
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import javax.lang.model.SourceVersion;
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import javax.lang.model.element.TypeElement;
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import javax.lang.model.element.TypeParameterElement;
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import javax.lang.model.type.DeclaredType;
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import javax.lang.model.type.TypeVariable;
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import javax.tools.SimpleJavaFileObject;
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import static javax.tools.JavaFileObject.Kind.SOURCE;
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public class T6421111 extends ToolTester {
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void test(String... args) {
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class Test1 extends SimpleJavaFileObject {
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Test1() {
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super(URI.create("myfo:///Test1.java"), SOURCE);
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}
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@Override
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public String getCharContent(boolean ignoreEncodingErrors) {
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return "class Test1<T extends Thread & Runnable> {}";
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}
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}
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class Test2 extends SimpleJavaFileObject {
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Test2() {
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super(URI.create("myfo:///Test2.java"), SOURCE);
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}
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@Override
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public String getCharContent(boolean ignoreEncodingErrors) {
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return "class Test2<T extends Test2<T> & Runnable> {}";
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}
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}
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task = tool.getTask(null, fm, null, Collections.singleton("-Xlint:all"), null,
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Arrays.asList(new Test1(), new Test2()));
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task.setProcessors(Collections.singleton(new MyProcessor()));
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if (!task.call())
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throw new AssertionError("Annotation processor failed");
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}
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@SupportedAnnotationTypes("*")
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static class MyProcessor extends AbstractProcessor {
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void test(TypeElement element, boolean fbound) {
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TypeParameterElement tpe = element.getTypeParameters().iterator().next();
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tpe.getBounds().getClass();
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if (fbound) {
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DeclaredType type = (DeclaredType)tpe.getBounds().get(0);
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if (type.asElement() != element)
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throw error("%s != %s", type.asElement(), element);
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TypeVariable tv = (TypeVariable)type.getTypeArguments().get(0);
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if (tv.asElement() != tpe)
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throw error("%s != %s", tv.asElement(), tpe);
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}
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}
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public boolean process(Set<? extends TypeElement> annotations,
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RoundEnvironment roundEnv) {
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test(processingEnv.getElementUtils().getTypeElement("Test1"), false);
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test(processingEnv.getElementUtils().getTypeElement("Test2"), true);
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return false;
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}
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@Override
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public SourceVersion getSupportedSourceVersion() {
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return SourceVersion.latest();
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}
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}
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public static void main(String... args) {
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new T6421111().test(args);
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}
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public static AssertionError error(String format, Object... args) {
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return new AssertionError(String.format(format, args));
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}
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}
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