Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/multicatch/Pos04.java
test/tools/javac/multicatch/Pos04.java
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| 1 /* | |
| 2 * Copyright (c) 2010, 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 6943289 | |
| 27 * @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch') | |
| 28 */ | |
| 29 | |
| 30 import java.lang.annotation.*; | |
| 31 | |
| 32 public class Pos04 { | |
| 33 | |
| 34 enum ExceptionKind { | |
| 35 A(1), | |
| 36 B(2), | |
| 37 C(1); | |
| 38 | |
| 39 int expectedValue; | |
| 40 | |
| 41 ExceptionKind(int expectedValue) { | |
| 42 this.expectedValue = expectedValue; | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 @Retention(RetentionPolicy.RUNTIME) | |
| 47 @interface CatchNumber { | |
| 48 int value(); | |
| 49 } | |
| 50 | |
| 51 @CatchNumber(1) | |
| 52 static class A extends Exception { } | |
| 53 | |
| 54 @CatchNumber(2) | |
| 55 static class B extends Exception { } | |
| 56 | |
| 57 @CatchNumber(1) | |
| 58 static class C extends Exception { } | |
| 59 | |
| 60 static int sum = 0; | |
| 61 | |
| 62 public static void main(String[] args) { | |
| 63 for (ExceptionKind ekind : ExceptionKind.values()) { | |
| 64 test(ekind); | |
| 65 } | |
| 66 if (sum != 4) { | |
| 67 throw new Error("bad checksum - expected:4, found:" + sum); | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 public static void test(ExceptionKind ekind) { | |
| 72 try { | |
| 73 switch(ekind) { | |
| 74 case A: throw new A(); | |
| 75 case B: throw new B(); | |
| 76 case C: throw new C(); | |
| 77 } | |
| 78 } catch(final A | C ex) {// Catch number 1 | |
| 79 CatchNumber catchNumber = ex.getClass().getAnnotation(CatchNumber.class); | |
| 80 if (catchNumber == null || catchNumber.value() != ekind.expectedValue) { | |
| 81 throw new Error("was expecting 1 - got " + catchNumber); | |
| 82 } | |
| 83 sum += catchNumber.value(); | |
| 84 } catch (final B ex) { // Catch number 2 | |
| 85 CatchNumber catchNumber = ex.getClass().getAnnotation(CatchNumber.class); | |
| 86 if (catchNumber == null || catchNumber.value() != ekind.expectedValue) { | |
| 87 throw new Error("was expecting 2 - got " + catchNumber); | |
| 88 } | |
| 89 sum += catchNumber.value(); | |
| 90 } | |
| 91 } | |
| 92 } |
