/*

 * 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();

        }

    }

}