1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 5040830 27 * @summary Verify information annotation strings with exception proxies 28 * @compile -sourcepath version1 version1/Fleeting.java version1/Utopia.java version1/DangerousAnnotation.java 29 * @compile AnnotationHost.java 30 * @build ExceptionalToStringTest 31 * @run main ExceptionalToStringTest 32 * @clean Utopia DangerousAnnotation 33 * @compile -sourcepath version2 -implicit:none version2/Utopia.java 34 * @compile -sourcepath version2 -implicit:none version2/DangerousAnnotation.java 35 * @clean Fleeting 36 * @run main ExceptionalToStringTest 37 */ 38 39/** 40 * There are three potential exception conditions which can occur 41 * reading annotations: 42 * 43 * EnumConstantNotPresentException - "Thrown when an application tries 44 * to access an enum constant by name and the enum type contains no 45 * constant with the specified name." 46 * 47 * AnnotationTypeMismatchException - "Thrown to indicate that a 48 * program has attempted to access an element of an annotation whose 49 * type has changed after the annotation was compiled (or serialized)" 50 * 51 * TypeNotPresentException - "Thrown when an application tries to 52 * access a type using a string representing the type's name, but no 53 * definition for the type with the specified name can be found." 54 * 55 * The test reads an annotation, DangerousAnnotation, which can 56 * display all three pathologies. The pathologies are <em>not</em> 57 * present when the version1 sources are used but are present with the 58 * version2 sources. The version2 sources remove an enum constant 59 * (EnumConstantNotPresentException), change the return type of an 60 * annotation method (AnnotationTypeMismatchException), and remove a 61 * type whose Class literal is referenced (TypeNotPresentException). 62 */ 63public class ExceptionalToStringTest { 64 public static void main(String... args) { 65 String annotationAsString = AnnotationHost.class.getAnnotation(DangerousAnnotation.class).toString(); 66 67 // Verify no occurrence of "ExceptionProxy" in the string. 68 if (annotationAsString.indexOf("ExceptionProxy") != -1) { 69 throw new RuntimeException(); 70 } 71 } 72} 73