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/*
* 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));
}
}
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