| /* |
| * Copyright (c) 2010, 2013, 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 8013163 |
| * @author sogoel |
| * @summary Test multiple nested multi-catch blocks with Exception hierarchies |
| * @run main Pos11 |
| */ |
| |
| /* |
| * For this test, exception hierarchy used: |
| * |
| * Throwable |
| * / \ |
| * Exception Error |
| * | | | |
| * A B D |
| * | |
| * C |
| * | |
| * E |
| * As an exception is thrown within a nested try-catch block, outer catch blocks |
| * will catch an exception or its child exceptions, so the same exception can |
| * be caught and rethrown multiple times. |
| */ |
| |
| public class Pos11 { |
| |
| public static String results = ""; |
| public static String sExpected = "-AB:A-AB:B-CD:C-AB:C-CD:D-Throwable:D-CD:E" + |
| "-AB:E-Exception:Exception-Throwable:Exception"; |
| |
| enum TestExceptions { |
| A("A"), |
| B("B"), |
| C("C"), |
| D("D"), |
| E("E"), |
| U("U"); |
| |
| String exType; |
| TestExceptions(String type) { |
| this.exType = type; |
| } |
| } |
| |
| public static void main(String... args) { |
| Pos11 pos11 = new Pos11(); |
| for(TestExceptions t : TestExceptions.values()) { |
| pos11.rethrower(t.exType); |
| } |
| if (results.compareTo(sExpected) != 0) |
| throw new RuntimeException("FAIL: final strings did not match:\n" |
| + results + "!=\n" + sExpected); |
| System.out.println("PASS"); |
| } |
| |
| void rethrower(String T) { |
| try { /* try1 */ |
| try { /* try2 */ |
| try { /* try3 */ |
| try { /* try4 */ |
| switch (T) { |
| case "A": |
| throw new A(); |
| case "B": |
| throw new B(); |
| case "C": |
| throw new C(); |
| case "D": |
| throw new D(); |
| case "E": |
| throw new E(); |
| default: |
| throw new Exception( |
| new Throwable()); |
| } |
| } catch ( final C|D cd) { |
| results=results.concat("-CD:" + cd.getClass().getSimpleName()); |
| throw cd; |
| } |
| } catch (final A|B ab) { |
| results=results.concat("-AB:" + ab.getClass().getSimpleName()); |
| } |
| } catch (final Exception e ) { |
| results=results.concat("-Exception:" + e.getClass().getSimpleName()); |
| throw e; |
| } |
| } catch (Throwable t) { |
| results=results.concat("-Throwable:" + t.getClass().getSimpleName()); |
| } |
| } |
| |
| // Test Exception |
| static class A extends Exception {} |
| |
| // Test Exception |
| static class B extends Exception {} |
| |
| // Test Exception |
| static class C extends B {} |
| |
| // Not a descendant of Exception |
| static class D extends Error {} |
| |
| // Test Exception |
| static class E extends C {} |
| |
| } |
| |