| /* |
| * Copyright (c) 2010, 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 6943289 |
| * @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch') |
| */ |
| |
| import java.lang.annotation.*; |
| |
| public class Pos04 { |
| |
| enum ExceptionKind { |
| A(1), |
| B(2), |
| C(1); |
| |
| int expectedValue; |
| |
| ExceptionKind(int expectedValue) { |
| this.expectedValue = expectedValue; |
| } |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface CatchNumber { |
| int value(); |
| } |
| |
| @CatchNumber(1) |
| static class A extends Exception { } |
| |
| @CatchNumber(2) |
| static class B extends Exception { } |
| |
| @CatchNumber(1) |
| static class C extends Exception { } |
| |
| static int sum = 0; |
| |
| public static void main(String[] args) { |
| for (ExceptionKind ekind : ExceptionKind.values()) { |
| test(ekind); |
| } |
| if (sum != 4) { |
| throw new Error("bad checksum - expected:4, found:" + sum); |
| } |
| } |
| |
| public static void test(ExceptionKind ekind) { |
| try { |
| switch(ekind) { |
| case A: throw new A(); |
| case B: throw new B(); |
| case C: throw new C(); |
| } |
| } catch(final A | C ex) {// Catch number 1 |
| CatchNumber catchNumber = ex.getClass().getAnnotation(CatchNumber.class); |
| if (catchNumber == null || catchNumber.value() != ekind.expectedValue) { |
| throw new Error("was expecting 1 - got " + catchNumber); |
| } |
| sum += catchNumber.value(); |
| } catch (final B ex) { // Catch number 2 |
| CatchNumber catchNumber = ex.getClass().getAnnotation(CatchNumber.class); |
| if (catchNumber == null || catchNumber.value() != ekind.expectedValue) { |
| throw new Error("was expecting 2 - got " + catchNumber); |
| } |
| sum += catchNumber.value(); |
| } |
| } |
| } |