| /* |
| * Copyright (c) 2005, 2016, 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 6322301 5041778 |
| * @summary Verify when missing annotation classes cause exceptions |
| * @author Joseph D. Darcy |
| * @compile MissingTest.java A.java B.java C.java D.java Marker.java Missing.java MissingWrapper.java MissingDefault.java |
| * @clean Missing |
| * @run main MissingTest |
| */ |
| |
| import java.lang.reflect.*; |
| import java.lang.annotation.*; |
| |
| /** |
| * This test verifies that a missing annotation class leads to the |
| * expected exceptional behavior; a missing directly applied |
| * annotation is currently ignored but a missing annotation value |
| * inside another annotation throws an exception. |
| * |
| * To be run as intended, the annotation type Missing should *not* be |
| * on the classpath when the test is run; with jtreg, it is deleted by |
| * the @clean directive. |
| */ |
| public class MissingTest { |
| /** |
| * For the annotated element argument, get all its annotations and |
| * see whether or not an exception is throw upon reading the |
| * annotations. Additionally, verify at least one annotation is |
| * present. |
| */ |
| private static void testAnnotation(AnnotatedElement element, |
| boolean exceptionExpected) { |
| java.lang.annotation.Annotation[] annotations; |
| try { |
| annotations = element.getAnnotations(); |
| if (exceptionExpected) { |
| System.err.println("Error: Did not get an exception reading annotations on " |
| + element); |
| System.err.println("Annotations found: " |
| + java.util.Arrays.toString(annotations)); |
| throw new RuntimeException(); |
| } |
| if (annotations.length == 0) { |
| System.err.println("Error: no annotations found on " + element); |
| throw new RuntimeException(); |
| } |
| } catch (Throwable t) { |
| if (!exceptionExpected) { |
| System.err.println("Error: Got an unexpected exception reading annotations on " |
| + element); |
| throw new RuntimeException(t); |
| } |
| } |
| } |
| |
| /** |
| * For the annotated element argument, get all its annotations and |
| * see whether or not an exception is throw upon reading the |
| * annotations. Additionally, verify at least one annotation is |
| * present. |
| */ |
| private static void testParameterAnnotation(Method m, |
| boolean exceptionExpected) { |
| java.lang.annotation.Annotation[][] annotationsArray; |
| try { |
| annotationsArray = m.getParameterAnnotations(); |
| if (exceptionExpected) { |
| System.err.println("Error: Did not get an exception reading annotations on method" |
| + m); |
| System.err.println("Annotations found: " |
| + java.util.Arrays.toString(annotationsArray)); |
| throw new RuntimeException(); |
| } |
| if (annotationsArray.length == 0 ) { |
| System.err.println("Error: no parameters for " + m); |
| throw new RuntimeException(); |
| } else { |
| java.lang.annotation.Annotation[] annotations = annotationsArray[0]; |
| if (annotations.length == 0) { |
| System.err.println("Error: no annotations on " + m); |
| throw new RuntimeException(); |
| } |
| } |
| } catch (Throwable t) { |
| if (!exceptionExpected) { |
| System.err.println("Error: Got an unexpected exception reading annotations on " |
| + m); |
| throw new RuntimeException(t); |
| } |
| } |
| } |
| |
| private static void testMethodGetDefaultValue(Class<?> clazz) throws Exception{ |
| Method m = clazz.getMethod("value", (Class<?>[])null); |
| |
| try { |
| System.out.println(m.getDefaultValue()); |
| throw new RuntimeException("Expected exception not thrown"); |
| } catch (TypeNotPresentException tnpe) { |
| ; // Expected |
| } catch (AnnotationFormatError afe) { |
| throw new RuntimeException(afe); |
| } |
| } |
| |
| public static void main(String... args) throws Exception { |
| // Class A has a directly applied annotation whose class is |
| // missing. |
| testAnnotation(A.class, false); |
| |
| // Class B has a directly applied annotation whose value |
| // includes to an annotation class that is missing. |
| testAnnotation(B.class, true); |
| |
| |
| // Class C has a directly applied parameter annotation whose |
| // class is missing. |
| testParameterAnnotation(C.class.getDeclaredMethod("method1", Object.class), |
| false); |
| |
| // Class D has a directly applied parameter annotation whose value |
| // includes to an annotation class that is missing. |
| testParameterAnnotation(D.class.getDeclaredMethod("method1", Object.class), |
| true); |
| // The MissingDefault annotation type has a default value of the Missing class. |
| testMethodGetDefaultValue(MissingDefault.class); |
| } |
| } |