aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug     8013163
aoqi@0:  * @author  sogoel
aoqi@0:  * @summary Test multiple nested multi-catch blocks with Exception hierarchies
aoqi@0:  * @run main Pos11
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * For this test, exception hierarchy used:
aoqi@0:  *
aoqi@0:  *           Throwable
aoqi@0:  *             /   \
aoqi@0:  *      Exception  Error
aoqi@0:  *       |    |      |
aoqi@0:  *       A    B      D
aoqi@0:  *            |
aoqi@0:  *            C
aoqi@0:  *            |
aoqi@0:  *            E
aoqi@0:  * As an exception is thrown within a nested try-catch block, outer catch blocks
aoqi@0:  * will catch an exception or its child exceptions, so the same exception can
aoqi@0:  * be caught and rethrown multiple times.
aoqi@0:  */
aoqi@0: 
aoqi@0: public class Pos11 {
aoqi@0: 
aoqi@0:     public static String results = "";
aoqi@0:     public static String sExpected = "-AB:A-AB:B-CD:C-AB:C-CD:D-Throwable:D-CD:E" +
aoqi@0:             "-AB:E-Exception:Exception-Throwable:Exception";
aoqi@0: 
aoqi@0:     enum TestExceptions {
aoqi@0:         A("A"),
aoqi@0:         B("B"),
aoqi@0:         C("C"),
aoqi@0:         D("D"),
aoqi@0:         E("E"),
aoqi@0:         U("U");
aoqi@0: 
aoqi@0:         String exType;
aoqi@0:         TestExceptions(String type) {
aoqi@0:             this.exType = type;
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String... args) {
aoqi@0:         Pos11 pos11 = new Pos11();
aoqi@0:         for(TestExceptions t : TestExceptions.values()) {
aoqi@0:             pos11.rethrower(t.exType);
aoqi@0:         }
aoqi@0:         if (results.compareTo(sExpected) != 0)
aoqi@0:             throw new RuntimeException("FAIL: final strings did not match:\n"
aoqi@0:                     + results + "!=\n" + sExpected);
aoqi@0:         System.out.println("PASS");
aoqi@0:     }
aoqi@0: 
aoqi@0:     void rethrower(String T) {
aoqi@0:         try { /* try1 */
aoqi@0:             try { /* try2 */
aoqi@0:                 try { /* try3 */
aoqi@0:                     try { /* try4 */
aoqi@0:                         switch (T) {
aoqi@0:                         case "A":
aoqi@0:                             throw new A();
aoqi@0:                         case "B":
aoqi@0:                             throw new B();
aoqi@0:                         case "C":
aoqi@0:                             throw new C();
aoqi@0:                         case "D":
aoqi@0:                             throw new D();
aoqi@0:                         case "E":
aoqi@0:                             throw new E();
aoqi@0:                         default:
aoqi@0:                             throw new Exception(
aoqi@0:                                     new Throwable());
aoqi@0:                         }
aoqi@0:                     } catch ( final C|D cd) {
aoqi@0:                         results=results.concat("-CD:" + cd.getClass().getSimpleName());
aoqi@0:                         throw cd;
aoqi@0:                     }
aoqi@0:                 } catch (final A|B ab) {
aoqi@0:                     results=results.concat("-AB:" + ab.getClass().getSimpleName());
aoqi@0:                 }
aoqi@0:             } catch (final Exception e ) {
aoqi@0:                 results=results.concat("-Exception:" + e.getClass().getSimpleName());
aoqi@0:                 throw e;
aoqi@0:             }
aoqi@0:         } catch (Throwable t) {
aoqi@0:             results=results.concat("-Throwable:" + t.getClass().getSimpleName());
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     // Test Exception
aoqi@0:     static class A extends Exception {}
aoqi@0: 
aoqi@0:     // Test Exception
aoqi@0:     static class B extends Exception {}
aoqi@0: 
aoqi@0:     // Test Exception
aoqi@0:     static class C extends B {}
aoqi@0: 
aoqi@0:     // Not a descendant of Exception
aoqi@0:     static class D extends Error {}
aoqi@0: 
aoqi@0:     // Test Exception
aoqi@0:     static class E extends C {}
aoqi@0: 
aoqi@0: }
aoqi@0: