mcimadamore@550: /*
ohair@554:  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
mcimadamore@550:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@550:  *
mcimadamore@550:  * This code is free software; you can redistribute it and/or modify it
mcimadamore@550:  * under the terms of the GNU General Public License version 2 only, as
mcimadamore@550:  * published by the Free Software Foundation.
mcimadamore@550:  *
mcimadamore@550:  * This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@550:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@550:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
mcimadamore@550:  * version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@550:  * accompanied this code).
mcimadamore@550:  *
mcimadamore@550:  * You should have received a copy of the GNU General Public License version
mcimadamore@550:  * 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@550:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@550:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
mcimadamore@550:  */
mcimadamore@550: 
mcimadamore@550: /*
mcimadamore@550:  * @test
mcimadamore@550:  * @bug 6943289
mcimadamore@550:  * @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch')
mcimadamore@550:  */
mcimadamore@550: 
mcimadamore@550: import java.lang.annotation.*;
mcimadamore@550: 
mcimadamore@550: public class Pos04 {
mcimadamore@550: 
mcimadamore@550:     enum ExceptionKind {
mcimadamore@550:         A(1),
mcimadamore@550:         B(2),
mcimadamore@550:         C(1);
mcimadamore@550: 
mcimadamore@550:         int expectedValue;
mcimadamore@550: 
mcimadamore@550:         ExceptionKind(int expectedValue) {
mcimadamore@550:             this.expectedValue = expectedValue;
mcimadamore@550:         }
mcimadamore@550:     }
mcimadamore@550: 
mcimadamore@550:     @Retention(RetentionPolicy.RUNTIME)
mcimadamore@550:     @interface CatchNumber {
mcimadamore@550:        int value();
mcimadamore@550:     }
mcimadamore@550: 
mcimadamore@550:     @CatchNumber(1)
mcimadamore@550:     static class A extends Exception { }
mcimadamore@550: 
mcimadamore@550:     @CatchNumber(2)
mcimadamore@550:     static class B extends Exception { }
mcimadamore@550: 
mcimadamore@550:     @CatchNumber(1)
mcimadamore@550:     static class C extends Exception { }
mcimadamore@550: 
mcimadamore@550:     static int sum = 0;
mcimadamore@550: 
mcimadamore@550:     public static void main(String[] args) {
mcimadamore@550:         for (ExceptionKind ekind : ExceptionKind.values()) {
mcimadamore@550:             test(ekind);
mcimadamore@550:         }
mcimadamore@550:         if (sum != 4) {
mcimadamore@550:             throw new Error("bad checksum - expected:4, found:" + sum);
mcimadamore@550:         }
mcimadamore@550:     }
mcimadamore@550: 
mcimadamore@550:     public static void test(ExceptionKind ekind) {
mcimadamore@550:         try {
mcimadamore@550:             switch(ekind) {
mcimadamore@550:                 case A: throw new A();
mcimadamore@550:                 case B: throw new B();
mcimadamore@550:                 case C: throw new C();
mcimadamore@550:             }
mcimadamore@550:         } catch(final A | C ex) {// Catch number 1
mcimadamore@550:             CatchNumber catchNumber = ex.getClass().getAnnotation(CatchNumber.class);
mcimadamore@550:             if (catchNumber == null || catchNumber.value() != ekind.expectedValue) {
mcimadamore@550:                 throw new Error("was expecting 1 - got " + catchNumber);
mcimadamore@550:             }
mcimadamore@550:             sum += catchNumber.value();
mcimadamore@550:         } catch (final B ex) { // Catch number 2
mcimadamore@550:             CatchNumber catchNumber = ex.getClass().getAnnotation(CatchNumber.class);
mcimadamore@550:             if (catchNumber == null || catchNumber.value() != ekind.expectedValue) {
mcimadamore@550:                 throw new Error("was expecting 2 - got " + catchNumber);
mcimadamore@550:             }
mcimadamore@550:             sum += catchNumber.value();
mcimadamore@550:         }
mcimadamore@550:     }
mcimadamore@550: }