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/*
* Copyright (c) 2018, Google Inc. 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.
*/
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
/*
* @test
* @bug 7183985
* @summary getAnnotation() should throw NoClassDefFoundError when an annotation class is not
* present at runtime
* @compile MissingAnnotationArrayElementTest.java MissingAnnotation.java
* @clean MissingAnnotation
* @run main MissingAnnotationArrayElementTest
*/
public class MissingAnnotationArrayElementTest {
@Retention(RUNTIME)
@interface AnnotationAnnotation {
MissingAnnotation[] value();
}
@AnnotationAnnotation({@MissingAnnotation, @MissingAnnotation})
static class Test {
void f(@AnnotationAnnotation({@MissingAnnotation, @MissingAnnotation}) int x) {}
Test(@AnnotationAnnotation({@MissingAnnotation, @MissingAnnotation}) int x) {}
}
public static void main(String[] args) throws Exception {
// MissingAnnotation will be absent from the runtime classpath, causing a
// NoClassDefFoundError when AnnotationAnnotation is read (since the type of its value array
// references cannot be completed).
assertThrowsNoClassDefFoundError(
() -> Test.class.getAnnotation(AnnotationAnnotation.class));
Method method = Test.class.getDeclaredMethod("f", int.class);
assertThrowsNoClassDefFoundError(method::getParameterAnnotations);
Constructor constructor = Test.class.getDeclaredConstructor(int.class);
assertThrowsNoClassDefFoundError(constructor::getParameterAnnotations);
}
interface ThrowingRunnable {
void run() throws Exception;
}
static void assertThrowsNoClassDefFoundError(ThrowingRunnable throwingRunnable)
throws Exception {
try {
throwingRunnable.run();
throw new AssertionError("expected exception");
} catch (NoClassDefFoundError expected) {
if (!expected.getMessage().contains("MissingAnnotation")) {
throw expected;
}
}
}
}
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